2022 safety officer-b certificate examination summary and safety officer-b certificate simulation test questions

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

Pass the safety production simulation exam at one point ： Security Officer -B The certificate examination summary is generated by the safety production simulation examination , Security Officer -B The question bank of certificate simulation examination is based on the safety officer -B The latest edition of teaching materials compiled by the safety officer -B Certificate simulation test .2022 Annual safety officer -B Certificate examination summary and safety officer -B Certificate simulation test questions

1、【 Multiple choice 】 Each propulsion cylinder of the shield machine propulsion system shall be firmly installed , advance ( ) It shall meet the requirements of the manual .（  AB  ）

A、 Speed

B、 trip

C、 Time

D、 ambient temperature

2、【 Multiple choice 】 Employees of production and business operation entities have the right to know the problems existing in their workplaces and jobs ( ).（  AD  ）

A、 Risk factors

B、 risk

C、 characteristic

D、 Preventive measures

3、【 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 .（  ACE  ）

A、 Installation of safety equipment 、 Use 、 testing 、 Transformation and scrapping do not meet national or industrial standards

B、 Approval or acceptance of matters related to production safety that do not meet the statutory conditions for production safety

C、 No regular maintenance of safety equipment 、 Maintenance and regular inspection

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

E、 Not in the production and operation sites and relevant facilities with major risk factors 、 Obvious safety warning signs shall be set on the equipment

4、【 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

5、【 Multiple choice 】 Construction hoisting machinery under one of the following circumstances , Not for rent 、 Use :（  BCD  ）

A、 Technologically obsolete equipment

B、 Exceeding the safety technical standards or the service life specified by the manufacturer

C、 Failing to meet the requirements of safety technical standards after inspection

D、 Without complete safety technical archives

6、【 Multiple choice 】 Construction line lighting shall adopt high luminous efficiency 、 Long life lighting power supply . For places requiring large-area lighting , Which lamps should be used ( ).（  BCD  ）

A、 Iodine tungsten lamp

B、 High pressure mercury lamp

C、 High pressure sodium lamp

D、 Halogen tungsten lamp for light mixing

7、【 Multiple choice 】 The current safety production management system in China is ( ).（  ABC  ）

A、 The production and business operation unit is responsible for

B、 Employee participation

C、 Government regulation

D、 Mass participation

8、【 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

9、【 Multiple choice 】 The neutral point of the special power supply for temporary power engineering on the construction site is directly grounded 220/380V Three phase four wire low voltage power system , What rules must be met .( )（  AC  ）

A、 Three level power distribution system is adopted

B、 use TN-C-S System

C、 use TN-S System

D、 Adopt three-level power distribution and three-level protection system

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

A、 All of you

B、 All elements

C、 comprehensive

D、 Whole process

11、【 Multiple choice 】 Of tower crane ( ) And other safety protection devices shall not be adjusted and removed at will , It is forbidden to replace the operating mechanism with a limit device .（  ABCD  ）

A、 Torque limiter

B、 Weight limiter

C、 Luffing limiter

D、 Travel stop

12、【 Multiple choice 】 Which of the following behaviors are strictly prohibited in tower crane operation ？（  BCD  ）

A、 Swing when lifting

B、 Pull out the pile

C、 Cable stayed 、 Inclined crane

D、 Swing during jacking

13、【 Multiple choice 】 Common dewatering types for foundation pit excavation :( ).（  BCD  ）

A、 Drainage ditch

B、 Jet well point

C、 Electroosmosis well point

D、 Deep well casing

14、【 Multiple choice 】 About the safety protection of portal operation , The following statements are correct ( )（  ABD  ）

A、 Openings in slabs and walls , A firm cover plate must be provided 、 Protective railings 、 Safety net or other fall protection facilities .

B、 The elevator wellhead must be equipped with protective railings or fixed gates ; The elevator shaft shall be separated by two floors at most 10m Set up a safety net .

C、 Steel pipe pile 、 Upper opening of bored pile and other pile holes , Cup shape 、 Upper opening of strip foundation , Unfilled pits , And manholes 、 skylight 、 Floor, door, etc , It is not necessary to set a stable cover according to the opening protection .

D、 All kinds of holes and pits near the passageway of the construction site , In addition to setting protective facilities and safety signs , A red light should also be set at night .

15、【 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

16、【 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

17、【 Multiple choice 】 Which of the following belong to 《 Safety production evaluation standard for construction enterprises 》 Safety production management system of construction enterprises ？（  ABCE  ）

A、 Safety inspection system

B、 Safety production fund guarantee system

C、 Safety education and training system

D、 Safety demonstration system

E、 Reporting and handling system of production safety accidents

18、【 Multiple choice 】 The following safety technical requirements for hoisting of reinforced concrete structures , It's true that ( ).（  ABD  ）

A、 Before component lifting , Its strength must meet the design requirements

B、 floor 、 After the roof panel is hoisted , There are gaps and holes between or on each other , Cover plate and enclosure shall be provided

C、 For multi span single storey plant, the main span should be hoisted first , Rear crane auxiliary span ; Lift the low span first , Rear crane high span

D、 The middle of the workshop should be hoisted first , Hang back on both sides , Then hang the corner , And must be carried out symmetrically

19、【 Multiple choice 】 The following statements about the setting of distribution box and switch box are correct :( ).（  ABC  ）

A、 The distribution system shall be equipped with distribution cabinet or general distribution box 、 Distribution box 、 Switch box , Implement three-level power distribution .

B、 The main distribution box shall be set in the area close to the power supply .

C、 The distribution box shall be set in the area with relatively concentrated electrical equipment or load .

D、 The distance between the distribution box and the switch box shall not exceed 15m

20、【 Multiple choice 】 The following statement about section steel cantilever scaffold is correct :( ).（  ABC  ）

A、 The section steel cantilever beam should adopt the section steel with biaxial symmetrical section .

B、 The model of cantilever steel beam and anchor shall be determined according to the design , The section height of steel beam shall not be less than 160mm.

C、 The tail end of the cantilever beam shall be fixed on the reinforced concrete beam slab structure at two or more places .

D、 Of anchored section steel cantilever beam U The diameter of T-shaped reinforcement pull ring or anchor bolt shall not be less than 18mm.

21、【 Multiple choice 】《 Circular of the State Council on Further Strengthening the work of production safety in enterprises 》( Guo fa [2010]23 Number ) Pointed out that , Strict enterprise safety management , Comprehensively carry out the activities of safety production standardization . Safety production standardization standards include ( ).（  AD  ）

A、 The post meets the standard

B、 The team meets the standard

C、 The workshop meets the standard

D、 Enterprises meet the standards

22、【 Single topic selection 】 The scope of work safety 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

23、【 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

24、【 Single topic selection 】 Multiple excavators excavate mechanically on the same action surface , The distance between excavators shall be greater than ( ).（  B  ）

A、5m

B、10m

C、15m

D、20m

25、【 Single topic selection 】 The horizontal distance between any part of the tower crane and the transmission line shall not be less than ( ).（  C  ）

A、4m

B、3m

C、2m

D、1m

26、【 Single topic selection 】 The main components and safety devices of tower crane shall be inspected regularly , Every time ( ) Not less than once , And there should be records ; The service life exceeds ( ) when , A comprehensive inspection should be carried out , It can only be used after it is qualified .（  B  ）

A、 Zhou 、 A month

B、 month 、 A year

C、 season 、 A year

D、6 Months 、 A year

27、【 Single topic selection 】 Foundation pit （ Slot ） The surrounding drainage ditch and water collecting well shall be set at ( ).（  A  ）

A、 Outside the scope of the foundation

B、 Other than stacking soil

C、 Outside the fence

D、 Within the scope of foundation

28、【 Single topic selection 】 Operators of vertical transportation machinery 、 Installation and disassembly workers 、 Blasting operators 、 Crane signalman 、 Special operators such as climbing and erection operators , It must be approved in accordance with the relevant provisions of the state ( ) train , After obtaining the qualification certificate for special operation , Before starting work .（  A  ）

A、 Special safe operation

B、 Tertiary education

C、 Safety education

D、 Safety skills

29、【 Single topic selection 】 Before entering the elevator installation construction process , At the same time, every ( )m And not more than 2 A horizontal safety net is added on the floor . The upper part of the construction floor in the elevator shaft , Isolation protection facilities shall be provided .（  C  ）

A、3

B、5

C、10

D、20

30、【 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

31、【 Single topic selection 】 During the regular inspection of the hook of the tower crane , Which of the following situations does not need to be scrapped ( ).（  D  ）

A、 use 20 There are cracks on the surface observed with a magnifying glass

B、 The wear of the spindle exceeds... Of its diameter 5%

C、 The wear of the section at the hanging rope exceeds... Of the original height 10%

D、 The opening is larger than the original size 5%

32、【 Single topic selection 】 stay -10℃ Following time , The lifting capacity shall not exceed... Of its rated lifting value ( ), In other cases , Do not exceed its rated lifting value .（  C  ）

A、30%

B、40%

C、50%

D、60%

33、【 Single topic selection 】 stay -10℃ Following time , The lifting capacity shall not exceed... Of its rated lifting value ( ), In other cases , Do not exceed its rated lifting value .（  C  ）

A、0.3

B、0.4

C、0.5

D、0.6

34、【 Single topic selection 】 A circular saw when the wood is near the end , Should be ( ).（  B  ）

A、 Start pushing materials

B、 Start pulling materials

C、 Up and down at the same time

D、 Keep your hands still

35、【 Single topic selection 】 In the structure of single bucket excavator , By boom 、 Stick 、 The bucket consists of ( ).（  B  ）

A、 The engine

B、 Working device

C、 Slewing device

D、 Walking gear

36、【 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

37、【 Single topic selection 】 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 undertake ( ) responsibility .（  C  ）

A、 All

B、 Joint and several

C、 The main

D、 part

38、【 Single topic selection 】 basis 《 Regulations on the administration of safe production of construction projects 》, The construction unit shall set up a safe production unit ( ) Institutions , Provide full-time safety production management personnel .（  D  ）

A、 Check

B、 supervise

C、 Supervisor

D、 management

39、【 Single topic selection 】 Manually Excavated narrow foundation trench , If the excavation depth is large or there is a risk of slope collapse, measures shall be taken ( ) measures .（  A  ）

A、 Support

B、 strengthening

C、 Drainage

D、 Precipitation

40、【 Single topic selection 】 During manual excavation , The safe distance between two people should be kept ( ).（  C  ）

A、1m

B、1—2m

C、2—3m

D、3—4m

41、【 Single topic selection 】 Nut of AC welding machine terminal 、 Copper washer 、 The busbar shall be fastened , Nut ( ) Defects 、 ablation 、 Loose .（  A  ）

A、 Undue

B、 There can be

C、 But there are

D、 Allow

42、【 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

43、【 Single topic selection 】 The following ( ) It's a high-risk industry .（  B  ）

A、 The automobile industry

B、 The construction industry

C、 Coal transportation industry

D、 Catering services

44、【 Single topic selection 】《 Regulations on the administration of safe production of construction projects 》 Regulations , The main person in charge of the construction unit 、 Project leader 、 The full-time safety production management personnel shall be subject to ( ) Only after passing the examination can he take the post .（  B  ）

A、 Ministry of construction

B、 Construction administrative department or other relevant departments

C、 Comprehensive safety production management department

D、 Labor and social security departments

45、【 Single topic selection 】《 Regulations on the administration of safe production of construction projects 》 Regulations , The construction unit is preparing the project ( ) when , The cost required for the safe working environment and safe construction measures of the construction project shall be determined .（  C  ）

A、 Construction budget

B、 Method statement

C、 Budget estimate

D、 final accounts

46、【 Single topic selection 】《 Regulations on the administration of safe production of construction projects 》 Regulations , After a production safety accident , The construction unit shall take measures to prevent the accident from expanding , Protect the scene of the accident . When you need to move items on site , Should ( ), Keep relevant evidence properly .（  D  ）

A、 Draw a diagram

B、 Take pictures or videos

C、 Make a written mark

D、 Make marks and written records

47、【 Single topic selection 】《 Safe production method 》 It is stipulated that production and business operation entities shall establish and improve ( ), Take technical 、 Management measures , Discover and eliminate potential accidents in time .（  C  ）

A、 Safety production responsibility system

B、 Safety production education and training system

C、 Investigation and treatment system of potential safety accidents

D、 Safety accountability system

48、【 Single topic selection 】《 Safe production method 》 Article 28 provides that : The production and business operation unit is newly built 、 reconstruction 、 Of the expansion project ( ), It must be designed at the same time as the main works 、 Simultaneous construction 、 Put into production and use at the same time .（  C  ）

A、 Living facilities

B、 Welfare facilities

C、 Safety facilities

D、 Working facilities

49、【 Single topic selection 】《 Classification standard for casualty accidents of enterprise employees 》（GB6441-1986） Regulations , Fatal accident refers to the death immediately after the accident （ Death due to acute poisoning ） Or injured in ( ) Accidents that die within days .（  D  ）

A、7

B、15

C、20

D、30

50、【 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

51、【 Single topic selection 】 Scaffold removal must be （  A  ）

A、 It must be carried out layer by layer from top to bottom , It is forbidden to work up and down at the same time

B、 It can be removed up and down at the same time

C、 Remove from the bottom up layer by layer

D、 For the parts that are not needed , It can be removed at will

52、【 Single topic selection 】 The scaffold and its foundation are out of service for more than ( ) The inspection and acceptance shall be reorganized within months .（  A  ）

A、1

B、6

C、2

D、5

53、【 Single topic selection 】 The secondary line of electric welding machine shall adopt ( )（  A  ）

A、 Waterproof rubber sheathed copper core flexible cable

B、 Insulated copper wire

C、 Insulated aluminum wire

D、 Insulation and conductor structures （ As a ground wire ）

54、【 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

55、【 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

56、【 Single topic selection 】 The production and business operation unit is responsible for ( ) It should be registered and filed , Conduct regular testing 、 assessment 、 monitor , And formulate , Inform employees and relevant personnel of escape measures that should be taken in case of emergency .（  B  ）

A、 Special equipment

B、 Major hazard sources

C、 labour protection appliance

D、 Important storage

57、【 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

58、【 Single topic selection 】 Cast in situ reinforced concrete beam 、 plate , When the span is greater than ( ) when , The formwork shall be arched ; When there are no specific requirements in the design , The arching height should be... Of the full span length 1/1000～3/1000.（  C  ）

A、2

B、3

C、4

D、5

59、【 Single topic selection 】 Pouring height 2m When the above concrete structural members , Should be set ( )（  D  ）

A、 Plastic mold shell

B、 escalator

C、 Stirrup

D、 Scaffold or operating platform

60、【 Single topic selection 】 Networks of security organizations such as France ,( ) China's management system , In terms of safety work , There is no obvious administrative subordinate relationship between the Ministry and the district and province .（  B  ）

A、 Be similar to

B、 differ

C、 Same as

D、 be better than

61、【 Single topic selection 】 France realizes the inspector general system , On behalf of the government, they supervise enterprises to abide by the law , And urge ( ) Safeguard the interests of workers .（  D  ）

A、 Labour Union

B、 Enterprises

C、 court

D、 The government

62、【 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

63、【 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、7%

B、10%

C、20%

D、40%

64、【 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

65、【 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

66、【 Single topic selection 】 according to 《 Regulations on the administration of safe production of construction projects 》, Work safety education and training operators who fail to pass the examination ,( ).（  A  ）

A、 Do not work

B、 Work under the leadership of qualified personnel

C、 Temporary operation permit can be issued , No more than three months

D、 Work only under the supervision of qualified personnel

67、【 Single topic selection 】 according to 《 Regulations on the qualification management of construction enterprises 》（ Order of the Ministry of Construction No 87 Number ） and 《 Qualification grade standard for construction enterprises 》 The provisions of the , Engaged in the installation of construction hoisting machinery 、 Demolition construction unit , You should have ( ).（  B  ）

A、 License for installation, transformation and maintenance of special equipment

B、 Professional contracting qualification for hoisting equipment installation engineering

C、 Tower crane disassembly license

D、 Hoisting machinery installation license

68、【 Single topic selection 】 according to 《 Safe color 》 Regulations , The safety color is divided into red 、 yellow 、 blue 、 Four colors of green , respectively ( )（  C  ）

A、 prohibit 、 Instructions 、 Warnings and tips

B、 Instructions 、 prohibit 、 Warnings and tips

C、 prohibit 、 Warning 、 Instructions and tips

D、 Tips 、 prohibit 、 Warnings and instructions

69、【 Single topic selection 】 Fixing of railing post and its connection with cross bar , Its overall structure shall make the protective railing anywhere on the upper pole , Can withstand ( ) The direction of the 1000N external force .（  D  ）

A、 vertical

B、 level

C、 Slant down 45% Direction

D、 whatever

70、【 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

71、【 Single topic selection 】 Education and training are graded 、 The level and nature of work shall be carried out separately , The focus of managers is ( ).（  B  ）

A、 Abide by rules and discipline

B、 Safety production awareness and safety management level

C、 Self protection

D、 Improve the ability to prevent accidents

72、【 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

73、【 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

74、【 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

75、【 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

76、【 Single topic selection 】 Construction projects shall be subject to general contracting , The special plan shall be prepared by ( ) Organization and establishment .（  A  ）

A、 General contracting for construction

B、 Subcontractors

C、 Professional team

D、 construction control unit

77、【 Single topic selection 】 Establish labor relations , Should conclude ( ).（  B  ）

A、 Oral labor contract

B、 Written labor contract

C、 Written or oral labor contract

D、 Oral labor agreement

78、【 Single topic selection 】 For horizontal concrete members, the height of formwork support system exceeds ( ), Or span more than 18m Tall formwork works , The construction enterprise shall organize an expert group to conduct demonstration and review .（  B  ）

A、3m

B、8m

C、12m

D、18m

79、【 Judgment questions 】 On construction hoisting machinery , On the basis of safe use , Standard sections and attachment devices not manufactured by the original manufacturer can be installed .（  √  ）

80、【 Judgment questions 】 install 、 On-Site Inspection 、 Repair or remove temporary electrical equipment and lines , Must be done by electrician , And there is a specially assigned person to monitor .（  √  ）

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

82、【 Judgment questions 】 Hot work in no fire area and welding in vessel and pipeline （ Gas cutting ） A supervisor must be set during operation , Its purpose is to ensure the careful implementation of safety measures .（  √  ）

83、【 Judgment questions 】 In the course of production , An accident is only a death 、 damage , However, it does not include accidents of property loss or other losses .（  ×  ）

84、【 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 .（  √  ）

85、【 Judgment questions 】 During hoisting operation , The operation warning area shall be set according to the regulations , The warning area may not be supervised by a specially assigned person .（  ×  ）

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

87、【 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 .（  √  ）

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

89、【 Judgment questions 】 The wall connecting rod in the wall connecting piece shall be set horizontally , When cannot be set horizontally , It shall be connected obliquely to one end of the scaffold .（  ×  ）

90、【 Judgment questions 】 exceed 30m High tower crane , It must be at the highest part of the crane （ Boom 、 The top of a tower cap or A-frame ） Install the red obstruction indicator , And ensure that the power supply will not be affected by shutdown .（  √  ）

91、【 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 .（  √  ）

92、【 Judgment questions 】 The UK attaches great importance to project risk assessment , Each construction site shall fill in the corresponding risk assessment form , And there are instructions for site safety assessment .（  √  ）

93、【 Judgment questions 】 Deep foundation pit means that the excavation depth exceeds 3 Meters of foundation pit （ Slot ）, Or no deeper than 3 But the foundation pit with complex geological conditions and surrounding environment （ Slot ）.（  ×  ）

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

95、【 Judgment questions 】 During construction , According to need , Temporary fire fighting facilities and temporary evacuation facilities can be removed .（  ×  ）

96、【 Judgment questions 】 The slope top will be impacted by sloping excavation 、 Slope 、 Water lowering and drainage measures shall be taken at the slope toe .（  √  ）

97、【 Judgment questions 】 The role of retaining wall is mainly used to maintain the stability of soil slope , Prevent the sliding of slope body and the collapse of soil slope .（  √  ）

98、【 Judgment questions 】 The order of formwork removal shall be in accordance with the provisions of the plate design , If there is no design provision , The principle of supporting first and then dismantling shall be followed , Remove the rear support first , First remove the non load bearing formwork , Then remove the formwork of the bearing part , From top to bottom , Remove the lateral support first , Remove the vertical support .（  √  ）

99、【 Judgment questions 】 When tools and sporadic objects are inconvenient to transport , It can be stacked or hung on the suspended components （  ×  ）

100、【 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 .（  √  ）

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