2022 safety officer-b certificate examination question bank and answers

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

2022 Security Officer -B The question bank of work permit is the safety officer -B Certificate test paper simulation prediction paper ！2022 Annual safety officer -B Certificate examination question bank and answers are based on the safety officer -B New certificate examination outline . Security Officer -B Pass the simulated examination of certificate reexamination and quickly recite the questions after passing 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 following is about the edge protective railing , What's right :( ).（  ABC  ）

A、 The handrail and toe board shall be erected on the inner side of the outer upright

B、 The height of the upper railing shall be 1.2m

C、 The height of toe board shall not be less than 180mm

D、 The height of toe board shall not be less than 150mm

3、【 Multiple choice 】 The following is about high-altitude operation in building construction , It's true that ( ).（  ABC  ）

A、 Pouring off the ground 2m The above frame 、 Lintel 、 Awning and small platform , An operating platform shall be provided , Do not stand directly on the formwork or support .

B、 Cast arch structure , It shall be carried out symmetrically from the arch feet on both sides . Pouring storage bin , The lower opening shall be closed first , And set up scaffolding to prevent personnel from falling .

C、 Under special circumstances, if there are no reliable safety facilities , You must fasten your seat belt and fasten the safety hook , Or set up an installation

D、 Height at 18～33m when , It is called level III work at heights

E、 When working at heights , Operation platform and safety net shall be set up , Work on the reinforcement skeleton and climb up and down along the skeleton .

4、【 Multiple choice 】 The accident report shall be timely 、 accuracy 、 complete , No unit or individual shall be responsible for the accident ( ).（  ABCD  ）

A、 report belatedly

B、 Omission of

C、 Lie or

D、 To conceal

5、【 Multiple choice 】 Accident potential generally refers to the... That causes accidents in the production system ( ).（  AC  ）

A、 Human unsafe behavior

B、 Natural factors

C、 The unsafe state of things

D、 Objective factors

6、【 Multiple choice 】 The following are the protective facilities of material elevator ( ).（  BCD  ）

A、 Safe landing device

B、 Landing platform and platform door

C、 Protective fence

D、 Winch operation shed

7、【 Multiple choice 】 About the selection of environmental conditions of illuminators on the construction site , It's true that ( ).（  CD  ）

A、 Normal humidity general places , Select enclosed illuminator

B、 Humid or particularly humid places , Use open illuminator

C、 Places with a lot of dust but no explosion and fire hazards , Dust proof illuminator shall be selected

D、 Places with strong vibration , Choose anti vibration illuminator

8、【 Multiple choice 】 Sequence of earth excavation 、 The method must be consistent with the design conditions and follow the following principles :( ).（  ABCD  ）

A、 Slotted support

B、 Support before digging

C、 Excavation in layers

D、 Over excavation is strictly prohibited

9、【 Multiple choice 】 It is correct to say the setting of temporary evacuation routes in the workplace of construction in progress ( ).（  ABCE  ）

A、 Lighting facilities shall be provided for temporary evacuation routes

B、 The temporary evacuation passage shall be provided with obvious evacuation indication signs

C、 When the temporary evacuation passage is set on the scaffold , The scaffold shall be erected with incombustible materials

D、 When the side of the temporary evacuation passage is a free face , Protective railings are not required

E、 Ladders should not be used for temporary evacuation routes , When necessary , Reliable fixing measures shall be taken

10、【 Multiple choice 】 The following places of construction in progress and temporary buildings shall be equipped with fire extinguishers :( ).（  ABCD  ）

A、 Places where inflammable and explosive dangerous goods are stored and used

B、 Hot work site

C、 Storage of combustible materials 、 Processing and use place

D、 Office space 、 Temporary rooms such as dormitories

11、【 Multiple choice 】 The safety protection of foundation pit shall include the following main contents :( ).（  ABCD  ）

A、 Demolition method of supporting structure 、 The demolition sequence shall meet the requirements of the scheme

B、 During mechanical demolition operation , The construction load shall not be greater than the bearing capacity of the supporting structure

C、 During manual demolition , Protective facilities shall be provided as required

D、 When unconventional demolition methods are adopted , It shall comply with current international relevant requirements

E、 Foundation pit monitoring shall be carried out as required

12、【 Multiple choice 】 The disassembly and assembly of tower crane shall be carried out during the day , In case of which of the following weather, the operation shall be stopped ？（  ABD  ）

A、12m/s Strong winds and above

B、 The heavy rain

C、 Damp

D、 The fog

13、【 Multiple choice 】 The main contents of safety management objectives include ( ).（  ACD  ）

A、 Production safety accident control objectives

B、 Quality qualification objective

C、 Safety compliance goal

D、 Civilized construction to achieve the goal

14、【 Multiple choice 】 Construction safety management includes construction site ( ) Management of .（  ACD  ）

A、 All of you

B、 All elements

C、 comprehensive

D、 Whole process

15、【 Multiple choice 】 The safety expenses of construction projects shall be used for ( ), It shall not be used for other purposes .（  ABC  ）

A、 Procurement and updating of construction safety protection appliances and facilities

B、 Implementation of safety construction measures

C、 Improvement of safety production conditions

D、 Salary and welfare of safety management personnel

16、【 Multiple choice 】 The transmission system of woodworking machinery shall operate stably , Undue ( ); The drive belt shall be intact , It shall not be damaged , The tightness should be moderate .（  ABD  ）

A、 Abnormal shock

B、 Vibration

C、 normal atmospheric temperature

D、 Scurry

17、【 Multiple choice 】 Modern construction safety management includes ( ) Wait for several parts to make up .（  ABC  ）

A、 Safe operation

B、 Civilized construction

C、 Environmental protection

D、 Cost management

E、 technical management

18、【 Multiple choice 】 Production and business operation entities shall have the capital investment necessary for production safety , from ( ) Guarantee .（  DE  ）

A、 Local people's governments at or above the county level

B、 The competent department responsible for the supervision of work safety

C、 Financial department of production and business operation unit

D、 The decision-making body of the production and operation unit 、 Principal Responsible Person

E、 Individual investors

19、【 Multiple choice 】 The production and operation units have ( ) One of the acts of , Order to make corrections within a time limit , There was an accident , The person in charge and other persons directly responsible shall be punished , Criminal , Criminal responsibility shall be investigated in accordance with the relevant provisions of the criminal law .（  BCDE  ）

A、 Failing to perform the duties of supervision and management of units that have obtained approval according to law

B、 Blasting 、 Hoisting and other dangerous operations , Failing to arrange special personnel for on-site safety management

C、 Failing to establish a system for investigation and treatment of potential accidents .

D、 production 、 business 、 Store 、 Workshops using dangerous goods 、 The store 、 The warehouse and staff dormitory are in the same building , Or the distance from the staff dormitory does not meet the safety requirements

E、 The production and business operation unit refuses 、 Hindering the departments responsible for the supervision and administration of production safety from carrying out supervision and inspection according to law

20、【 Single topic selection 】“ Three don't hurt ” It doesn't include ( ).（  D  ）

A、 Don't hurt yourself

B、 Don't hurt others

C、 Don't be hurt by others

D、 No harm to objects

21、【 Single topic selection 】《 Safe production method 》 It specifies the responsibilities of the main person in charge of the production and business operation unit for the safety production work of the unit , The most important one is ( ).（  A  ）

A、 Establish and improve the safety production responsibility system of the unit

B、 In time 、 Truthfully report production safety accidents

C、 Ensure the effective implementation of safety production investment

D、 Organization 、 Implement the emergency plan for safety accidents of the unit

22、【 Single topic selection 】《 Technical specification for building foundation pit support 》（JGJ120-2012） Regulations : The excavation of soft soil foundation pit shall be carried out according to ( )、 symmetry 、 equilibrium 、 The principle of timely excavation .（  A  ）

A、 layered 、 piecewise

B、 layered

C、 piecewise

D、 All

23、【 Single topic selection 】《 Regulations on the administration of safe production of construction projects 》 Regulations , The construction unit shall establish a work safety management organization , Equipped with ( ) personnel .（  A  ）

A、 Full time safety production management

B、 Part time safety production management

C、 Safety production supervision

D、 Full time and part-time safety production inspection

24、【 Single topic selection 】《 Regulations on the administration of safe production of construction projects 》 Regulations , The project leader of the construction unit shall organize and formulate safety construction measures according to the characteristics of the project , Eliminate potential safety accidents ,( ) Report production safety accidents .（  A  ）

A、 In time 、 truthfully

B、 After investigation

C、 on time 、 real

D、 In time 、 comprehensive

25、【 Single topic selection 】 The following are the main materials on the construction site 、 Description of stacking of semi-finished products , What's not right is ( ).（  D  ）

A、 Large tools , We should meet at one end .

B、 The sand shall be stacked in square , Stones shall be stacked into squares according to different particle size specifications .

C、 The concrete component stacking yard shall be solid 、 smooth , By specification 、 Model stacking .

D、 Various formworks shall be stacked neatly according to specifications , The ground shall be flat and solid , Generally, the stacking height should not be too high 2.6m, Large formwork shall be stored on specially designed storage rack .

26、【 Single topic selection 】 When the temporary electricity organization design and change , Must perform “ Organization 、 to examine 、 approval ” Program , from ( ) Organization and establishment , It shall be implemented after being reviewed by relevant departments and approved by the technical director of the enterprise with legal personality .（  A  ）

A、 Electrical engineering technicians

B、 project manager

C、 Safety technical director

D、 Project chief engineer

27、【 Single topic selection 】 Employees in the process of operation , The safety production rules, regulations and operating procedures of the project shall be strictly observed , Obey management , Wear and use correctly ( ).（  B  ）

A、 Labor production supplies

B、 Labor protection articles

C、 Labor identification

D、 Tools of labor

28、【 Single topic selection 】 Which of the following is a person's unsafe behavior ( ).（  A  ）

A、 Operate by hand instead of tools

B、 Climb and sit in a safe position

C、 Walking safety passage

D、 Don't risk entering dangerous places

29、【 Single topic selection 】 Which of the following belongs to the unsafe state of things ( ).（  A  ）

A、 Unsafe stacking of materials, equipment and appliances

B、 Distraction behavior

C、 No personal protective equipment

D、 Climb and sit in an unsafe position

30、【 Single topic selection 】 The combustion performance of building components of office buildings shall not be lower than ( ) level , The combustion performance of dormitory building components shall not be lower than ( ) level （  A  ）

A、B2,B1

B、B1,B2

C、B1,B1

D、B2,B2

31、【 Single topic selection 】 More dangerous divisional and subdivisional works , Submit the argumentation report after expert argumentation , Put forward clear opinions on the content of the argument ,( ) The special scheme shall be revised and improved according to the demonstration report （  A  ）

A、 Construction unit

B、 Construction unit

C、 construction control unit

D、 Design unit

32、【 Single topic selection 】 The hoisting wire rope of the winch shall be perpendicular to the axis direction of the winch drum , The maximum deviation angle of steel wire rope shall not exceed ( ).（  A  ）

A、6°

B、10°

C、12°

D、20°

33、【 Single topic selection 】 The height of various vertical transportation receiving platform openings shall not be less than ( )m Floor protective door , Anti opening device shall be set ; In the middle of the material elevator channel of multi cage derrick , Isolation facilities shall be set separately .（  C  ）

A、1.2

B、1.5

C、1.8

D、2

34、【 Single topic selection 】 The rope ring of the sling or the rope sleeves at both ends shall adopt spliced joints , The length of splicing joint shall not be less than... Of the diameter of steel wire rope ( ) times .（  D  ）

A、5

B、10

C、15

D、20

35、【 Single topic selection 】 Fixed distribution box 、 The vertical distance between the center point of the switch box and the ground shall be ( ).（  C  ）

A、0.4-0.6m

B、0.8-1.0m

C、1.4-1.6m

D、1.8-2.0m

36、【 Single topic selection 】 When the crane hook is in the lowest position , The steel wire rope on the winch drum must ensure that there is no less than ( ) Number of safety laps .（  B  ）

A、2 circle

B、3 circle

C、4 circle

D、5 circle

37、【 Single topic selection 】 In the rain 、 frost 、 Fog 、 When working at height in snowy weather , Anti skid measures should be taken 、 Antifreeze measures , And it shall be removed in time ( ) Of water 、 ice 、 snow 、 frost .（  B  ）

A、 The basement

B、 On the working surface

C、 On the facade

D、 On the scaffold

38、【 Single topic selection 】 The cantilever end of the section steel cantilever beam shall be provided with a positioning point that can reliably fix the scaffold upright rod and the steel beam , The positioning point shall not be less than... From the end of the cantilever beam ( ).（  B  ）

A、50mm

B、100mm

C、200mm

D、500mm

39、【 Single topic selection 】 The foundation pit shall be provided with for construction ( ) Dedicated stairways up and down .（  B  ）

A、 material

B、 personnel

C、 mechanical

D、 equipment

40、【 Single topic selection 】 When the tower crane is working , The wind speed should be lower than ( ) level .（  C  ）

A、4

B、5

C、6

D、7

41、【 Single topic selection 】 Vertical openings landing on the wall, etc 、 The height of window sill is lower than ( )mm The vertical opening and the opening of the frame structure when there is no masonry wall after pouring concrete , Protective railings shall be set according to the requirements of edge protection .（  C  ）

A、300

B、500

C、800

D、1000

42、【 Single topic selection 】 When multiple scrapers work together , The front and rear distance between each machine shall not be less than ( ).（  A  ）

A、10m

B、8m

C、4m

D、2m

43、【 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

44、【 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

45、【 Single topic selection 】 Safety production education . Ann Full production simulation Examination Try a little . The scope of education and training is ( ).（  C  ）

A、 Employees of subcontractors

B、 Employees of the general contractor

C、 Employees of the enterprise and employees of subcontractors

D、 Employees with illegal operation records

46、【 Single topic selection 】 The fundamental purpose of safety production management is ( ).（  D  ）

A、 remove a hidden danger , Eliminate accidents

B、 Avoid personal injury or death , property loss

C、 Improve the safety production management level of enterprises

D、 Ensure personal safety in production and operation activities , Property security , Promote economic development

47、【 Single topic selection 】 The safety production responsibility system should be established in ( ) Work really hard , This is the key .（  C  ）

A、 Sound 、 perfect

B、 A clear division of responsibilities

C、 carry out

D、 Rewards and punishments are honored

48、【 Single topic selection 】 When crawler crane is working , The slope shall not be greater than ( ), Keep a safe distance from the ditch foundation pit .（  C  ）

A、5°

B、4°

C、3°

D、2°

49、【 Single topic selection 】 Before the workers are assigned to the construction team , First, carry out company level safety education . The following contents do not belong to the company level safety education ( ).（  C  ）

A、 General education on the significance and tasks of labor protection

B、 Safety production policy 、 policy 、 statute 、 standard 、 standard 、 Procedures and safety knowledge

C、 Safety production discipline and civilized production requirements

D、 Enterprise safety rules and regulations

50、【 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

51、【 Single topic selection 】 The service life of tower crane exceeds ( ) when , Conduct a comprehensive inspection , It can only be used after it is qualified .（  C  ）

A、 First quarter

B、 Half a year

C、 A year

D、 Two years

52、【 Single topic selection 】 When multiple tower cranes cross work at the same construction site , The distance between the boom end of the low-level tower crane and the tower body of another tower crane shall not be less than （  C  ）

A、1m

B、1.5m

C、2m

D、5m

53、【 Single topic selection 】 When using braided connection , The braiding length shall not be less than 15 Times the rope diameter ,, Security Production simulation Exam one Diantong , And shall not be less than ( )mm.（  B  ）

A、100

B、300

C、900

D、1200

54、【 Single topic selection 】 The cantilever length of cantilever steel beam shall be determined according to the design , The length of the fixed end shall not be less than... Of the length of the cantilever section ( ) times , And... Shall be used ( ) individual （ Yes ） And above U The T-shaped reinforcement pull ring or anchor bolt is fixed with the beam and slab of the building structure .（  C  ）

A、1、2

B、1.25、1

C、1.25、2

D、1.5、2

55、【 Single topic selection 】 According to the relevant provisions of the Ministry of construction , The depth of excavation exceeds ( ) The foundation pit 、 A special construction scheme shall be prepared for the earthwork excavation of the trench .（  C  ）

A、3m（ contain 3m）

B、5m

C、5m（ contain 5m）

D、8m

56、【 Single topic selection 】 In accordance with the relevant provisions , The depth of excavation exceeds ( ) The foundation pit , A special construction scheme shall be prepared for the earthwork excavation of the trench .（  C  ）

A、3 rice （ contain 3 rice ）

B、5 rice

C、5 rice （ contain 5 rice ）

D、8 rice

57、【 Single topic selection 】 During excavator operation ( ) Do not stay within the bucket turning radius .（  A  ）

A、 anybody

B、 Non staff

C、 Engineering and technical personnel

D、 The onlookers

58、【 Single topic selection 】 The height of the operating platform shall not exceed 5m, Stability checking calculation shall also be carried out , And take measures to reduce the of columns ( )（  B  ）

A、 Aspect ratio

B、 Slenderness ratio

C、 Area of operating platform

D、 Pole spacing

59、【 Single topic selection 】 Construction lift every ( ) Should be carried out 1 Time 1.25 Overload test of times rated load capacity , Ensure safe and reliable brake performance .（  C  ）

A、1 Months

B、2 Months

C、3 Months

D、4 Months

60、【 Single topic selection 】 Construction elevator ( ) Connect to the foundation .（  C  ）

A、 Hanging cage

B、 Bottom cage

C、 chassis

D、 Guide rail frame

61、【 Single topic selection 】 The calibration period of anti falling safety device of construction elevator shall not exceed ( )（  B  ）

A、 Half a year

B、 A year

C、 Two years

D、 Three years

62、【 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 .. Safety student Pass the production simulation exam at one point .（  A  ）

A、 Hot work

B、 Earth moving

C、 High

D、 dangerous

63、【 Single topic selection 】 The construction area of a building project is 5 Thousands of square meters , According to the provisions of the Ministry of construction on the allocation of full-time safety production management personnel , The construction project shall be equipped with at least ( ) Full time safety production management personnel .（  B  ）

A、1

B、3

C、5

D、7

64、【 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

65、【 Single topic selection 】 According to the relevant provisions of the Ministry of construction , Project leader of construction enterprise , Means by ( ) to grant authorization , The person in charge of construction project management .（  D  ）

A、 General manager of the enterprise

B、 Corporate board of directors

C、 Enterprise labor and personnel department

D、 Legal representative of the enterprise

66、【 Single topic selection 】 According to the regulation , The wear or corrosion amount of steel wire on the surface of steel wire rope is up to ( ) when , Should be scrapped .（  D  ）

A、0.07

B、0.1

C、0.2

D、0.4

67、【 Single topic selection 】 After the completion of pile foundation work , The pile hammer shall be lowered , Cut off the ( ) And circuit switches 、 People can leave after stopping and braking .（  A  ）

A、 Power Supply

B、 Source of water

C、 Air source

D、 Oil way

68、【 Single topic selection 】 The clear width and clearance height of the fire lane shall not be less than ( )m.（  D  ）

A、1

B、2

C、3

D、4

69、【 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

70、【 Single topic selection 】 The labor contract concluded between the production and business operation unit and the employees , The relevant provisions on ensuring the labor safety and safety of employees shall be specified ( ) The matter of .（  B  ）

A、 Accident emergency measures

B、 Prevention of occupational hazards

C、 Safety technical measures

D、 Declaration of occupational hazards

71、【 Single topic selection 】 The production and business operation unit makes business decisions involving production safety , We should listen to ( ) And opinions of safety production management personnel .（  A  ）

A、 Safety production management organization

B、 Project management organization

C、 Quality and technical management organization

D、 Engineering management organization

72、【 Single topic selection 】 Production and business operation entities shall provide employees with qualified services ( ) Labor protection articles .（  B  ）

A、 Industry standard or enterprise standard

B、 National standards or industrial standards

C、 National standards or enterprise standards

D、 Enterprise standards or local standards

73、【 Single topic selection 】 Of the production and business operation unit ( ) Organize employees to participate in the democratic management and supervision of the work safety of the unit according to law .（  A  ）

A、 Labour Union

B、 Board of directors

C、 The security department

D、 Superior department

74、【 Single topic selection 】 During arc welding , In case of personnel and equipment accidents , Should immediately ( )（  A  ）

A、 Cut off the power supply

B、 Stop gas welding

C、 Stop welding

D、 The report

75、【 Single topic selection 】 The area of the mobile operating platform shall not exceed 10m², The height should not exceed 5m, The aspect ratio should not be greater than ( ), The construction load shall not exceed 1.5kN/m².（  B  ）

A、1:1

B、3:1

C、5:1

D、10:1

76、【 Single topic selection 】 The prevention and control of occupational diseases shall adhere to ( ) The policy of .（  A  ）

A、 Prevention first , combine prevention with control

B、 Prevention first , Comprehensive management

C、 Prevention first , Combination of prevention and elimination

D、 Governance first , combine prevention with control

77、【 Single topic selection 】 Britain comes from 1833 year ’ Safe production Mock test Try a little ’ On the implementation of dispatching to enterprises ( ) The system .（  A  ）

A、 Safety supervision Officer

B、 Principal Responsible Person

C、 The leader of the Labour Party

D、 Supervisors

78、【 Judgment questions 】 AC welding machine shall be equipped with general leakage protection , It shall also be equipped with secondary no-load step-down protector .（  √  ）

79、【 Judgment questions 】 Large personnel mobility is one of the characteristics of building construction .（  √  ）

80、【 Judgment questions 】 Enterprise safety culture is the sum of safety value and safety code of conduct .（  √  ）

81、【 Judgment questions 】 When using an oxygen cylinder , Operator's hands 、 Gloves and tools can be contaminated with grease .（  ×  ）

82、【 Judgment questions 】 Anti skid measures shall be formulated before winter construction 、 Antifreeze 、 Explosion proof 、 Prevent poisoning 、 Fire prevention and other measures .（  √  ）

83、【 Judgment questions 】 The fixed hot work site should not be arranged in the office room 、 dormitory 、 Combustible material storage yard and combustible material storage yard 、 The warehouse for storing explosives is located on the windward side of the prevailing wind direction all year round .（  √  ）

84、【 Judgment questions 】 Urban defense 、 Civil air defense 、 The electrical equipment on the construction site, such as tunnels, must be connected to neutral by protection .（  √  ）

85、【 Judgment questions 】 Safety culture is the safety awareness of the enterprise 、 Safety objectives 、 Safety responsibility 、 Safety literacy 、 Safety habits 、 Safety technology 、 Safety facilities 、 The sum of safety supervision and various safety rules and regulations .（  √  ）

86、【 Judgment questions 】 Safety production responsibility system refers to the safety responsibility system of managers and operators at all levels of the construction unit .（  ×  ）

87、【 Judgment questions 】 Unsafe factors are fixed in the process of construction 、 It can be determined .（  ×  ）

88、【 Judgment questions 】 Construction hoisting machinery needs to be jacked up in the process of use , After the user entrusts the original installation unit or the installation unit with corresponding qualification to implement the special construction scheme , It can be put into use .（  √  ）

89、【 Judgment questions 】 Construction projects are subject to general contracting , The subcontractor shall obey the safety production management of the general contractor , The subcontractor's disobedience to management leads to production safety accidents , The subcontractor shall bear the main responsibility .（  √  ）

90、【 Judgment questions 】 During piling operation, it is strictly prohibited to stay within the radius of the pile driver .（  √  ）

91、【 Judgment questions 】 During construction , According to need , Temporary fire fighting facilities and temporary evacuation facilities can be removed ” Ann The whole production simulation test is a little through ”.（  ×  ）

92、【 Judgment questions 】 Welding and painting on the construction site cannot be carried out in the same area at the same time .（  √  ）

93、【 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 .（  ×  ）

94、【 Judgment questions 】 Between the wall connecting rod of the material elevator and the frame and the building , Rigid connection shall be adopted .（  √  ）

95、【 Judgment questions 】 During electric welding operation , The switch must be turned off when welding is completed or off duty , Leave enough time to observe , After confirming that the welding slag has cooled , Before leaving .（  √  ）

96、【 Judgment questions 】 After the scaffold foundation passes the acceptance , Setting out and positioning shall be carried out according to the requirements of construction organization design or special scheme .（  √  ）

97、【 Judgment questions 】 During lifting , Walking on the crane 、 Turn around 、 Pitching boom 、 Before the lifting hook and other actions , The crane driver shall sound to indicate . Only one action at a time , After the previous action , Go on to the next action .（  √  ）

98、【 Judgment questions 】 Full time signal commander and rigger shall be set for crane operation , One person shall not give consideration to both signal command and rigging operation at the same time .（  √  ）

99、【 Judgment questions 】 Open-air 、 Working at height , Poor construction environment and working conditions are the characteristics of building construction .（  √  ）

100、【 Judgment questions 】 Rated lifting capacity refers to the weight or material that the crane is allowed to lift , Together with the sum of the mass of the hook head .（  √  ）

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