2022 national question bank and mock examination for safety officer-b certificate

Source of question bank ： Safety production simulation test, a little public official account.

2022 Security Officer -B Certificate examination 100 Entitled Safety Officer -B Simulated questions of certificate examination must be practiced before examination ！2022 Annual safety officer -B Certificate national question bank and mock examination are based on the safety officer -B Certificate examination outline . Security Officer -B Pass the simulated examination of certificate reexamination and pass the simulated examination of work safety .

1、【 Multiple choice 】《 Safe production method 》 Article 67 : The Department responsible for the supervision and administration of production safety shall make a decision on the production and business operation entities with major potential accidents according to law ( ) Decision , The production and business operation entities shall carry out according to law , Eliminate potential accidents in time .（  ABC  ）

A、 Stop production or business

B、 Stop construction

C、 Stop using facilities or related equipment

D、 Stop the water supply

2、【 Multiple choice 】 The types of open drainage of foundation pit water collection are ( ).（  AC  ）

A、 Open ditch drainage

B、 Artificial drainage

C、 Blind ditch drainage

D、 Natural drainage

3、【 Multiple choice 】 The structure and installation of beam or truss support shall comply with the following provisions ( ).（  ABCD  ）

A、 When telescopic truss is used , The lap length shall not be less than 500mm, Specifications of connecting pins of upper and lower chords 、 The quantity shall be in accordance with the design , And not less than 2 individual U The U-shaped clamp or steel pin shall be fastened ,2 individual U The distance between U-shaped clamps or pins shall not be less than 400mm

B、 The spacing setting of installed beam or truss supports shall be consistent with the formwork design drawing

C、 The building structure supporting beam or truss support shall have sufficient strength , otherwise , Additional column support shall be provided

D、 If multiple trusses are arranged in groups , A horizontal brace must be added at the corner of the lower chord

4、【 Multiple choice 】 During the operation of concrete mixer, do not ( ).（  ACD  ）

A、 Charging

B、 Add water

C、 come on.

D、 Overhaul

5、【 Multiple choice 】 The basic characteristics of welding or cutting are ( ).（  ACDE  ）

A、 The high temperature

B、 Easy to burn

C、 Flammable

D、 Explosive

E、 High pressure

6、【 Multiple choice 】 The user of special equipment commits one of the following acts , Order to make corrections within a time limit ; Failing to correct within the time limit , Order to stop using relevant special equipment , Impose a fine of not less than 10000 yuan but not more than 100000 yuan :( ).（  ABCD  ）

A、 The use of special equipment fails to go through the use registration in accordance with the regulations

B、 The safety technical archives of special equipment are not established or do not meet the specified requirements , Or failing to set up use registration signs according to law 、 Regular inspection marks

C、 Failure to carry out regular maintenance and regular self inspection on the special equipment used , Or safety accessories of special equipment not used 、 The safety protection device shall be calibrated regularly 、 Overhaul , And make a record

D、 No special emergency plan for special equipment accidents is formulated

7、【 Single topic selection 】( ) It is the core of all safety rules and regulations of construction enterprises .（  D  ）

A、 Safety inspection system

B、 Safety technical disclosure system

C、 Safety education system

D、 Safety production responsibility system

8、【 Single topic selection 】( ) It is the main object and important resource of management activities .（  C  ）

A、 matter

B、 material

C、 people

D、 machine

9、【 Single topic selection 】“4M” The theory classifies the cause of the accident into four factors , Which factor is not included .（  C  ）

A、 Human factor

B、 Equipment factor

C、 Technical factors

D、 Operational factors

10、【 Single topic selection 】《 Circular of the State Council on Further Strengthening the work of production safety in enterprises 》（ Guo fa （2010）23 Number ） It is stipulated that major production safety responsibility accidents occur in enterprises , Investigate the responsibility of the main person in charge of the accident enterprise ; Breaking the law , Investigate the main person in charge of the accident enterprise or ( ) And the legal responsibility of the person in charge of the superior enterprise .（  B  ）

A、 Enterprise contractor

B、 The actual controller of the enterprise

C、 Business partners

D、 Enterprise shareholder

11、【 Single topic selection 】 Do not use an excavator bucket ( ).（  A  ）

A、 Lifting materials

B、 Booster Machinery

C、 Traction machinery

D、 Transportation

12、【 Single topic selection 】 About the installation and disassembly of construction hoisting machinery , The following statement is wrong :( ).（  C  ）

A、 install 、 Dismantle construction hoisting machinery and integral lifting scaffold 、 Formwork and other jack up erection facilities , A disassembly and assembly plan shall be prepared 、 Formulate safety construction measures

B、 install 、 Dismantle construction hoisting machinery and integral lifting scaffold 、 Formwork and other jack up erection facilities , It should be supervised on site by professional technicians

C、 Construction hoisting machinery and integral lifting scaffold 、 After the formwork and other jack up erection facilities are installed , The general contractor shall conduct self inspection , Issue self inspection certificate , And provide safe use instructions to the construction unit , Go through the acceptance procedures and sign

D、 Operators of vertical transportation machinery 、 Installation and disassembly workers 、 Blasting operators 、 Crane signalman 、 Special operators such as climbing and erection operators , Special safety operation training must be conducted in accordance with relevant national regulations , After obtaining the qualification certificate for special operation , Before starting work

13、【 Single topic selection 】 single 、 The bottom step distance of double row scaffold shall not be greater than ( ).（  C  ）

A、1.0m

B、1.5m

C、2m

D、2.5m

14、【 Single topic selection 】 The drum used by the winch for hoisting operation is used for hoisting components , The wire rope on the drum must be kept at least ( ) circle .（  C  ）

A、3

B、4

C、5

D、6

15、【 Single topic selection 】 During multi tower operation , Tower crane in high position （ The hook rises to the highest point ） The vertical distance from the lower tower crane shall not be less than in any case ( ).（  B  ）

A、3m

B、2m

C、1.5m

D、1m

16、【 Single topic selection 】 Deal with the foundation of tower crane after heavy rain 、 Construction roads 、( ) And external scaffolds , It can only be used after it is confirmed to be safe and reliable . Important structures such as scaffolds should be inspected frequently , If problems are found, they shall be handled or replaced in time .（  A  ）

A、 Construction elevator Foundation

B、 Construction machines and tools

C、 Construction vehicles

D、 Protective equipment

17、【 Single topic selection 】 Mandrel of steel bar bending machine 、 Iron retaining shaft 、 The rotary table, etc. shall not have （）, The protective cover shall be firm and reliable .（  D  ）

A、 The gap

B、 axle sleeve

C、 deformation

D、 Cracks and damage

18、【 Single topic selection 】 The acceptance of safety protection facilities shall be checked item by item according to the category ,( ) Before use , Acceptance records shall be made .（  C  ）

A、 transfer

B、 Transfer

C、 check before acceptance

D、 disclose

19、【 Single topic selection 】 The fire risk of storing flammable and combustible gases is divided into （） class .（  B  ）

A、 nail

B、 nail 、 B 、 C

C、 nail 、 B

D、 nail 、 B 、 C 、 Ding

20、【 Single topic selection 】 In the working pit , Personnel shall be provided with qualified and firmly fixed equipment up and down ( ).（  C  ）

A、 Safety belt

B、 Safety net

C、 Safety ladder

D、 Safety rope

21、【 Single topic selection 】 When installing the construction elevator, the button box or operation box must be moved to ( ) operation .（  B  ）

A、 At the ground

B、 The top of the cage

C、 In floor

D、 Attached to the wall frame

22、【 Single topic selection 】 In addition to the overlapping of the top step of the top floor, the vertical pole extension of the fastener type steel pipe scaffold for building construction , The joints of other layers and steps must adopt ( ) Connect .（  A  ）

A、 Butt fastener

B、 Rotating fastener

C、 Bind

D、 Right angle fastener

23、【 Single topic selection 】 The installation axis of pipe jacking device shall be consistent with the pipeline axis （）（  B  ）

A、 symmetry

B、 parallel 、 symmetry

C、 parallel

D、 parallel 、 vertical

24、【 Single topic selection 】 Strengthen urban high-rise buildings 、 Large complex 、 Tunnels and bridges 、 Rail transit 、 Gas, etc （）, Implement the bulletin board system , Implement key facilities （ Position ） Daily maintenance responsibilities , Strengthen safety supervision in densely populated places .（  B  ）

A、 Inspection and supervision

B、 Inspection and maintenance

C、 supervision

D、 Maintenance Management

25、【 Single topic selection 】 Construction projects should be established to ( ) The safety production responsibility system of managers at all levels who are the first responsible person , And shall be signed and confirmed by the person in charge .（  A  ）

A、 project manager

B、 Chief engineer

C、 Safety Manager

D、 Production manager

26、【 Single topic selection 】 The description of the main potential safety hazard in the diagram is correct （）.

（  B  ）

A、 The safety net is polluted

B、 No secure channel set

C、 The overlapping length of cross bridging is insufficient

D、 There is construction waste on the scaffold foundation

27、【 Single topic selection 】 When starting lifting , The components shall be lifted off the ground first ( )mm Stop lifting after , And check the stability of the crane 、 Reliability of braking device 、 Balance of components and firmness of binding , After confirmation , Before continuing to lift .（  B  ）

A、50~100

B、200~300

C、500~600

D、900~1000

28、【 Single topic selection 】 according to 《 Technical specification for temporary buildings on construction site 》（JGJ/T188）, The number of shower heads in the shower room at the construction site shall meet （） A man's request , The shower spacing should not be less than 1m.（  C  ）

A、1：30

B、1:25

C、1:20

D、1:15

29、【 Single topic selection 】 Excavation depth ( ) Protective railings shall be set around the foundation pit and above according to the specification requirements .（  B  ）

A、1

B、2

C、3

D、4

30、【 Single topic selection 】 Failure or abnormality of special equipment , Special equipment （） It should be thoroughly inspected , Eliminate potential accidents , Can continue to use .（  A  ）

A、 User

B、 Testing unit

C、 Rental unit

D、 Production unit

31、【 Single topic selection 】 Disassembly of construction lift （） Continuous operation . When disassembly cannot be completed continuously , Corresponding safety measures shall be taken according to the disassembly status .（  B  ）

A、 strictly prohibit

B、 Should be

C、 must

D、 must not

32、【 Single topic selection 】 according to 《 Urban management law enforcement measures 》 Regulations ,（） The competent department of housing and urban rural development shall be responsible for the guidance, supervision and coordination of urban management and law enforcement nationwide .（  D  ）

A、 People's governments at the county level

B、 Municipal People's Government

C、 province 、 The people's Government of the autonomous region

D、 The State Council

33、【 Single topic selection 】 Flat head horizontal luffing tower crane jib and tower top components , The scrapping criteria for a single shaft hole or pin include ： The relative value of wear and deformation of a single shaft hole or pin shaft is greater than 3.2% Or the absolute value is greater than （）mm.（  B  ）

A、1

B、1.2

C、1.5

D、0.5

34、【 Single topic selection 】 The main occupational hazards to which welders are exposed are （）.（  C  ）

A、 Infrared

B、 Ultraviolet (uv)

C、 Manganese dust （ smoke ）

D、 Vibration

35、【 Single topic selection 】 When the anchor bolt above the excavation surface of the foundation pit 、 Soil nails 、 When the support does not meet the design requirements ,( ) Overbreak down .（  D  ）

A、 Not suitable

B、 prohibit

C、 Sure

D、 strictly prohibit

36、【 Single topic selection 】 When the fastener type steel pipe is used as the column supporting the formwork , The base and base plate shall be set at the bottom of each column , The thickness of the backing plate shall not be less than ( )mm（  B  ）

A、30

B、50

C、60

D、100

37、【 Single topic selection 】 The water in the boiler is being treated , Soda ash method is used for （）.（  B  ）

A、 Small evaporation , And the working pressure is less than 1.3MPa Boiler , The total alkalinity of raw water is less than 4mmol/L

B、 Small evaporation , And the working pressure is less than 1.0MPa Boiler , The total alkalinity of raw water is less than 4mmol/L

C、 Small evaporation , And the working pressure is less than 1.6MPa Boiler , The total alkalinity of raw water is less than 4mmol/L

D、 Small evaporation , And the working pressure is less than 2.5MPa Boiler , The total alkalinity of raw water is less than 4mmol/L

38、【 Single topic selection 】 The construction site shall implement ( ) management , And... Shall be used ( ) Enclosure .（  A  ）

A、 closed 、 Hard

B、 Semi closed 、 Hard

C、 closed 、 Soft

D、 Semi closed 、 Soft

39、【 Single topic selection 】 The low-voltage power distribution system at the general construction site should adopt （） Level distribution （  C  ）

A、1

B、2

C、3

D、4

40、【 Single topic selection 】 The construction site shall be equipped with fire-fighting equipment as required , When welding, etc ( ) Homework time , Fire prevention measures shall be taken .（  A  ）

A、 Hot work

B、 Earth moving

C、 High

D、 dangerous

41、【 Single topic selection 】 When the fastener type steel pipe scaffold is erected , Railings and toe boards shall be set on both sides of the ramp and the periphery of the platform , The height of the railing shall be （）m.（  C  ）

A、1

B、1.1

C、1.2

D、1.4

42、【 Single topic selection 】 When holding the expert demonstration meeting for the special scheme of divisional and subdivisional works , The members of the panel shall be （） Composed of at least experts who meet the requirements of relevant disciplines .（  B  ）

A、3

B、5

C、7

D、9

43、【 Single topic selection 】 basis 《 Regulations on the administration of safe production of construction projects 》． When examining and Issuing the construction permit, the competent construction administrative department , Whether the construction project has （） Review .（  D  ）

A、 Safety rules and regulations

B、 Safety management organization

C、 Safety production responsibility system

D、 Safe construction measures

44、【 Single topic selection 】 The factory life has expired （） Tower crane in , NDT shall be carried out for the main stressed parts of the structure .（  A  ）

A、5

B、6

C、7

D、8

45、【 Single topic selection 】 The distance between the edge of the trench excavated at the construction site and the edge of the buried external power cable trench shall not be less than ( ).（  A  ）

A、0.5m

B、1m

C、1.5m

D、2m

46、【 Single topic selection 】 For construction site . Safety student Production model I plan to pass the exam at one point . In the electrical system ,N The insulation color of the wire shall be ( ).（  C  ）

A、 black

B、 white

C、 Light blue

D、 Brown

47、【 Single topic selection 】 according to 《 Interim Provisions on safety training and education for employees of construction enterprises 》 The requirements of , The legal representative of the enterprise 、 Project Manager Education and training ( ).（  B  ）

A、5 Class hours

B、30 Class hours

C、60 Class hours

D、90 Class hours

48、【 Single topic selection 】 Steel wire rope construction elevator for both people and goods , The steel wire rope for lifting the cage shall not be less than （）, And independent of each other .（  B  ）

A、1 root

B、2 root

C、3 root

D、4 root

49、【 Single topic selection 】 according to 《 Management rules for safety technical assessment of special operation personnel 》（GB5306-85） The provisions of the , Special operation personnel with operation certificate , Must be reviewed regularly , Review every ( ) once .（  B  ）

A、1 year

B、2 year

C、4 year

D、6 year

50、【 Single topic selection 】 The project manager shall every （） Organize a regular safety meeting , Solve and coordinate safety production problems .（  B  ）

A、 Japan

B、 Zhou

C、 month

D、 quarter

51、【 Single topic selection 】 Tower crane installation 、 The dismantling unit shall have a safety management assurance system , Have a sound （）：（  C  ）

A、 team

B、 Salary system

C、 Safety management system

D、 system

52、【 Single topic selection 】 According to the requirements of the fire safety responsibility system on the construction site , A voluntary fire brigade shall be established on the construction site , The number of people shall not be less than... Of the total construction personnel ( )（  B  ）

A、1%

B、10%

C、50%

D、75%

53、【 Single topic selection 】 When the concrete mixer hopper is placed in the lowest position , Add... Between the hopper and the ground ( ).（  A  ）

A、 A layer of cushion wood

B、 Gravel

C、 cement

D、 Gravel cushion

54、【 Single topic selection 】 Professional technicians engaged in construction production activities , It shall obtain corresponding according to law （） Prove ' Ann Full production model I plan to pass the exam at one point ' book , And engage in construction activities within the scope permitted by the certificate .（  B  ）

A、 Professional qualifications

B、 Practice qualification

C、 Management qualification

D、 occupational health

55、【 Single topic selection 】 The included angle between the cable wind rope of the material hoist and the ground shall not be greater than ( )（  A  ）

A、45 degree

B、50 degree

C、60 degree

D、65 degree

56、【 Single topic selection 】 The depth of direct buried cable laying shall not be less than ( ).（  C  ）

A、0.3m

B、0.5m

C、0.7m

D、0.9m

57、【 Single topic selection 】 The bamboo fence scaffold shall be laid according to the direction that the main bamboo reinforcement is perpendicular to the longitudinal horizontal rod , And shall be tiled , The diameter of the four corners shall not be less than 1.2mm Galvanized steel wire fixed on ( ) On .（  B  ）

A、 Transverse horizontal bar

B、 Longitudinal horizontal bar

C、 Wall pieces

D、 Stand up

58、【 Single topic selection 】 Construction safety in the UK is generally ( ).（  B  ）

A、 The quality of personnel is high

B、 Do everything according to law

C、 The system is strict

D、 High illegal cost

59、【 Single topic selection 】 People's governments at or above the provincial level shall organize relevant departments or entrust professional institutions , The environmental conditions are （）, Establish a monitoring and early warning mechanism for the carrying capacity of environmental resources .（  B  ）

A、 survey 、 supervise

B、 survey 、 evaluation

C、 Research

D、 Evaluation research

60、【 Single topic selection 】 When lifting with two cranes , Cranes of the same type or similar performance should be selected , Load distribution shall be reasonable , The single machine load shall not exceed the rated lifting capacity ( )%.（  C  ）

A、60

B、70

C、80

D、90

61、【 Single topic selection 】 The working platform of the steel bar cutter shall be compared with the lower position of the cutter ( )、 Safety production simulation Examination Try a little through 、（  C  ）

A、 high

B、 low

C、 level

D、 Basic level

62、【 Single topic selection 】 When working at heights in rainy and snowy days , Reliable anti-skid measures must be taken 、 Cold proof and ( ) measures .（  D  ）

A、 Frost prevention

B、 waterproof

C、 Antifogging

D、 Antifreeze

63、【 Multiple choice 】 The general inspection and evaluation items of beam column formwork support frame include （）（  BCD  ）

A、 Component specifications

B、 Component connection

C、 Safety protection

D、 dismantle

E、 check before acceptance

64、【 Multiple choice 】 The personnel in the table have received safety education and training , Must include （）.

（  ABC  ）

A、 New workers

B、 Transferred workers

C、 Adopt new technology 、 The new material 、 New construction technology of workers

D、 Workers who return to work after a month's rest

E、 Office staff

65、【 Multiple choice 】 The forms of forged iron fasteners are （） Three .（  ABC  ）

A、 Right angle fastener

B、 Rotating fastener

C、 Butt fastener

D、 Square fastener

E、 Round fastener

66、【 Single topic selection 】 The competent department of housing and urban rural development under the State Council shall, after the occurrence of a particularly serious or serious accident （） Within hours , Report the accident to the State Council .（  B  ）

A、5

B、4

C、6

D、8

67、【 Single topic selection 】 The following figure is the site diagram of tower ceiling lifting operation of a project , The matters needing attention for raising and adding section of tower ceiling are wrong （）.

（  A  ）

A、 The slewing mechanism brake must be used during jacking , Brake the boom , Do not swing the boom , The direction of the jib and the lead-in standard section may not be consistent

B、 The step on the added standard section must be aligned with the existing standard section

C、 Special personnel shall be assigned to pay attention to the accurate positioning of the pin shafts at both ends of the jacking beam in the round hole of the step to ensure safety

D、 The whole jacking process , Special personnel shall be assigned to observe whether the roller is derailed 、 Derailment , Stop jacking operation immediately when it is found

68、【 Multiple choice 】 Which of the following circumstances occurs in the production and operation of individual industrial and commercial owners , It shall perform the fire safety responsibilities of the unit ？（）（  ABD  ）

A、 production 、 business 、 Storage of inflammable and explosive dangerous goods ;

B、 business 、 Using densely populated places with a construction area of more than 200 square meters ;

C、 Five to ten employees ;

D、 Other situations with high fire risk

69、【 Multiple choice 】 Administrative penalties stipulated in the production safety law of the people's Republic of China （）.（  ABCD  ）

A、 It shall be decided by the Department responsible for the supervision and administration of work safety

B、 The administrative penalty of closing down shall be reported by the Department in charge of the supervision and administration of production safety to the people's government at or above the county level for decision in accordance with the authority prescribed by the State Council

C、 The administrative penalty of detention shall be decided by the public security organ in accordance with the provisions of the regulations on administrative penalties for public security

D、 Relevant laws 、 Where there are other provisions in administrative regulations on the decision-making organ of administrative punishment , According to its rules

E、 It's up to the national security department to decide

70、【 Multiple choice 】 The necessary safety devices on the tower crane are （）.（  ABCDE  ）

A、 load lifting limiter

B、 Torque limiter

C、 Lifting height limiter

D、 Rotary stopper

E、 Amplitude limiter

71、【 Multiple choice 】 stay （） Painting each ‘ Safety student Production model Proposed examination Give it a try Diantong ‘ During the operation of anti-corrosion coating , It must be based on the size of the site , Multiple exhaust fans are used to extract benzene and other harmful gases out of the room , To prevent acute benzene poisoning .（  CDE  ）

A、 Terrace

B、 ground

C、 Poorly ventilated Workshop

D、 Poorly ventilated basement

E、 In a poorly ventilated waterproof pool

72、【 Single topic selection 】 The safety relief device installed on the boiler is （）.（  B  ）

A、 Fusible plug

B、 Safety valve

C、 Explosion proof sheet

D、 Explosion proof cap

73、【 Multiple choice 】 Construction enterprises engaged in construction activities across provinces commit acts in violation of these provisions , The competent construction Department of the provincial people's Government where the project is located will locate the construction enterprises in the （） Copy to the original work safety license issuing and management authority .（  ABE  ）

A、 Illegal facts

B、 Processing results

C、 Illegal basis

D、 Processing requirements

E、 Handling suggestions

74、【 Single topic selection 】 according to 《 Regulations on the administration of safe production of construction projects 》, The subcontractor shall obey the safety production management of the general contractor , The subcontractor's disobedience to management leads to production safety accidents , To be undertaken by the subcontractor （）.（  D  ）

A、 Full responsibility

B、 Responsibilities agreed in the contract

C、 General responsibilities

D、 Main responsibilities

75、【 Multiple choice 】《 Regulations on the administration of safe production of construction projects 》 basis （） To develop .（  AD  ）

A、《 Construction Law of the people's Republic of China 》

B、《 Urban Planning Law of the people's Republic of China 》

C、《 Construction project quality management regulations 》

D、《 Production safety law of the people's Republic of China 》

E、《 Regulations on the administration of survey and design of construction projects 》

76、【 Multiple choice 】 The functional departments and posts of each management level shall undertake the responsibilities related to safety production within their functional scope , Cooperate with each other , Achieve relevant safety management objectives , It shall include the following main responsibilities （）：（  CDE  ）

A、 Construction management department （ Or position ） Be responsible for technical guarantee and improvement of safety production

B、 Technical management department （ Or position ） Responsible for production planning 、 Arrangement 、 Implemented safety management

C、 Material management department （ Or position ） Be responsible for the safety management of safety production materials and labor protection articles

D、 Power equipment management department （ Or position ） Be responsible for the safety management of temporary construction electricity and machinery and equipment

E、 Full time production safety management organization （ Or position ） Be responsible for the inspection of safety management 、 Handle

77、【 Single topic selection 】 Tower crane metal structure 、 orbital 、 Metal enclosures for all electrical equipment 、 Metal conduit 、 The low-voltage side of transformer for safety lighting shall be reliably grounded , The grounding resistance shall not be greater than 4Ω. The repeated grounding resistance shall not be greater than （）.（  C  ）

A、20Ω

B、L5Ω

C、l0Ω

D、4Ω

78、【 Single topic selection 】 Construction height （）m The curtain wall installation works of buildings and above belong to the general scope of divisional and subdivisional works with greater risk exceeding a certain scale .（  C  ）

A、30

B、40

C、50

D、60

79、【 Single topic selection 】 The full-time safety management personnel of the safety management organization of the construction labor subcontracting enterprise shall not be less than （）.（  A  ）

A、2 people

B、3 people

C、4 people

D、6 people

80、【 Multiple choice 】 What are the safety protection measures for pipe jacking construction （）（  ABCDE  ）

A、 Protective railings shall be set around the working well

B、 Flood control wall and rainproof facilities shall be set around the surface wellhead

C、 Warning signs and warning areas shall be set in the operation area

D、 Special stairways for personnel to go up and down shall be set in the working shaft

E、 The dewatering wellhead shall be provided with protective cover plate or fence , Obvious warning signs shall be set

81、【 Multiple choice 】 Construction site pit 、 well 、 Ditches and all kinds of （） Around , Assign special personnel to set up fences or cover plates and safety signs , A red light should be set at night ; Various protective facilities 、 Warning signs , It is not allowed to move or dismantle without the approval of the construction director .

（  BCD  ）

A、 concrete batching plant

B、 Holes

C、 Inflammable and explosive places

D、 transformer

E、 Reinforcing steel cutting machine

82、【 Multiple choice 】 What are the following behaviors of construction enterprises , The competent department of housing and urban rural development of the people's government at or above the county level shall order it to make corrections within a time limit .（）（  ABCD  ）

A、 Failure to set up safety production management organization as required

B、 Failure to allocate full-time safety production management personnel as required

C、 No full-time safety production management personnel are arranged for on-site supervision during the construction of dangerous and large projects

D、“ Safety management personnel ” Failing to obtain the certificate of safety production assessment

E、 Failure to carry out..., as required “ Safety management personnel ” Safety production education and training assessment

83、【 Multiple choice 】 Templates ” Security Production simulation The test One Diantong ” It is strictly forbidden for engineering operators to climb （）（  ABDE  ）

A、 Templates

B、 Diagonal brace

C、 Stand up

D、 Brace

E、 rope

84、【 Single topic selection 】 City 、 The competent construction Department of the county people's government is responsible for the issuance of work safety licenses for construction enterprises within its administrative area （）.（  B  ）

A、 Issue and manage

B、 supervision

C、 to examine 、 The examination and approval

D、 apply

85、【 Multiple choice 】 stay （） When painting various anti-corrosion coatings , It must be based on the size of the site , Multiple exhaust fans are used to extract benzene and other harmful gases out of the room , To prevent acute benzene poisoning .（  CDE  ）

A、 Terrace

B、 ground

C、 Poorly ventilated Workshop

D、 Poorly ventilated basement

E、 In a poorly ventilated waterproof pool

86、【 Multiple choice 】 The following is about the installation of the construction elevator , The correct statement is （）（  AB  ）

A、 When there is a hanging object on the installation boom , It is forbidden to start the construction elevator

B、 The means of transmission shall not be thrown

C、 The landing must be connected with the construction lift , To ensure stability

D、 Common standard section and thickened standard section can be used interchangeably

E、 After using the safety belt , The guardrail at the top of the cage can be partially removed

87、【 Multiple choice 】 The formwork and support shall be able to reliably bear the pressure of pouring concrete （）.（  ACD  ）

A、 Construction load

B、 temperature

C、 Side pressure

D、 weight

E、 humidity

88、【 Multiple choice 】 according to 《 Regulations on the administration of safe production of construction projects 》, The main person in charge of the construction unit 、 The project leader fails to perform the responsibility of safety production management , The following statement is correct （）.（  ABD  ）

A、 It shall be ordered to rectify within a time limit

B、 Failing to rectify within the time limit , Order the construction unit to suspend business for rectification

C、 Failing to rectify within the time limit , Sentenced to 5 More than ten thousand yuan 10 A fine of less than ten thousand yuan

D、 Causing major safety accidents or other serious consequences , Criminal , Criminal responsibility shall be investigated in accordance with the relevant provisions of the criminal law

E、 serious , Lower qualification level , Until the qualification certificate is revoked

89、【 Judgment questions 】《 Regulations on safety supervision and administration of construction hoisting machinery 》 Specified in the : When there are multiple tower cranes on the construction site , The user unit shall organize the formulation and implementation of safety measures to prevent tower cranes from colliding with each other .（  √  ）

90、【 Judgment questions 】 The edge protective railing shall be made of cross bars 、 Vertical pole and not less than 100mm High toe boards .（  ×  ）

91、【 Judgment questions 】 One year 3 month 3 On the afternoon of Sunday , A bridge construction site , The truck crane that is lifting heavy objects overturns , cause 3 A member of the company fell into the water , among 1 People are saved ,2 People have been killed .3 month 3 On the afternoon of Sunday , The person in charge of the construction site of the bridge, Mr. Cheng, arranged the shift leader, Mr. Li 、 The truck crane operator, Mr. Sun, and others carried out the hoisting operation at the bridge cage closing place .16 Time , Under the command of Mr. Li, Mr. Sun drove a truck crane to drive the 8 The beret frame is hoisted to a certain position and stopped , Three search personnel, Mr. Liu 、 He XX 、 Yan is not wearing a life jacket 、 Standing in the air with safety belts and other protective equipment （ The distance from the water surface is about 5 rice ） To carry out the rigging operation on the Bailey frame . The pause lasted about a minute , The truck crane overturns , The beret fell into the water with the three men . Liu can swim , Surface , Rescued , He XX 、 Yan XX sinks into the water . He is 20 Found minutes later , Send them to the local people's Hospital for emergency treatment , Drowning for too long , Rescue invalid death . In the evening 21 Time , Yan's body was brought ashore .
（4） Hoisting injury refers to the mechanical injury accident occurred during various hoisting operations , Including electric shock caused by lifting equipment and injury caused by brake failure during maintenance , It does not include falling injury when getting up and down the cab .（  ×  ）

92、【 Judgment questions 】 Backhoe excavators are mainly used to excavate the working face above the parking surface .（  ×  ）

93、【 Judgment questions 】 During construction and production , Cause death 、 damage 、 Occupational Diseases 、 Accidents of property loss or other losses , It is called production safety accident .（  √  ）

94、【 Judgment questions 】 There is an electrical equipment in the basement of building 10 in a community , The length of the primary power line of the equipment is 10．5m; The joint is not wrapped with rubber wrap , Insulation wear , The power cord is exposed ; The pull rod in the leakage switch installed on the equipment falls off , Leakage switch failure . An engineering company is in the basement construction , Pay sb 3 A plasterer moved the electrical equipment to a new operating point , Fu died of electric shock while moving .
（4） Special operation personnel must receive special safety operation training in accordance with relevant national regulations , After obtaining the qualification certificate for special operation , Before starting work .（  √  ）

95、【 Judgment questions 】 The cylinder must be equipped with a shockproof ring and a safety helmet . A tempering device shall be added to the acetylene cylinder in use .（  √  ）

96、【 Judgment questions 】 The formwork shall be removed before concrete pouring 7 After days, the demolition can be carried out directly without the consent of the technical director .（  ×  ）

97、【 Judgment questions 】 The front shovel excavator is mainly used to excavate the working face above the parking face .（  √  ）

98、【 Judgment questions 】 The power distribution cabinet shall be equipped with power isolation switch and short circuit 、 overload 、 Leakage protection appliances . There shall be obvious breakpoints when the power disconnector is disconnected .（  √  ）

99、【 Judgment questions 】 Power Distribution Box 、 The power incoming end of the switch box can be movably connected with plugs and sockets .（  ×  ）

100、【 Judgment questions 】 The wire rope is usually broken before breaking 、 Broken stock omen , Easy to check 、 Easy to prevent accidents .（  √  ）

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