2022 safety officer-c certificate examination practice questions simulated examination platform operation

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

2022 Security Officer -C The certificate training test question is safety officer -C Card simulation examination question bank, new exercise bank ！2022 Security Officer -C The operation of the simulated examination platform for certificate examination practice questions is according to the safety officer -C The compilation of the new textbook outline . Security Officer -C The test questions of the certificate simulation test are available at any time according to the one-point practice of the safety production simulation test .

1、【 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

2、【 Multiple choice 】 Accident investigation and handling shall follow “ Four don't let go ” The principle of . Which of the following is “ Four don't let go ” The content of ？（  ABCE  ）

A、 The cause of the accident has not been found out

B、 The masses of workers will not let go without education

C、 If the preventive measures are not implemented, we will not let go

D、 If the accident emergency plan is not formulated, let it go

E、 If the person responsible for the accident is not dealt with, he will not be let go

3、【 Multiple choice 】 Requirements for ground anchors used for hoisting ( ).（  ADE  ）

A、 Make in strict accordance with the design

B、 It can be made at will according to the site conditions

C、 Overload properly when using

D、 Do not overload during use

E、 Make records of concealed works for making ground anchors 1. Ground anchor outlet point in front of ground anchor foundation pit （ That is, the steel wire rope is exposed to the ground after passing through the soil layer ） The pit ahead is deep 2.5 Multiple range and both sides of foundation pit

4、【 Multiple choice 】 The sources of fire are ( )（  ABCD  ）

A、 flame

B、 Electric sparks generated by electrical equipment

C、 Lightning discharge

D、 Mars

E、 Sawdust and shavings

5、【 Multiple choice 】 When the position of the edge railing is crowded 、 Vehicle impact or object collision, etc , What measures should be taken ？（  BC  ）

A、 Set the double cross bar

B、 Densified column spacing

C、 Increase the cross section of the cross bar

D、 Add dense mesh safety net

E、 Add toe board

6、【 Multiple choice 】 When the bulldozer stops on the ramp , Should be ( ).（  ABDE  ）

A、 Put the gear lever in low gear

B、 Engage the main clutch

C、 Operators must not leave

D、 Lock the brake pedal

E、 Chock tracks or tires

7、【 Multiple choice 】 According to the movement form of workpiece and mast, the hoisting technology of mast turning method can be ( ).（  AC  ）

A、 Single turn method

B、 Single mast turning method

C、 Double rotation method

D、 Double mast turning method

E、 Single lifting point pulling and lifting

8、【 Multiple choice 】 The power supply voltage of the row lamp can be ( ).（  CDE  ）

A、220V

B、110V

C、36V

D、24V

E、12V

9、【 Single topic selection 】( ) It is to prevent the hoisting wire rope from being lifted due to excessive angle or improper hook , A safety device that causes the lifting wire rope to disengage .（  C  ）

A、 Torque limiter

B、 Superelevation limiter

C、 Hook safety

D、 Anti sloughing device of steel wire rope

10、【 Single topic selection 】《 Regulations on the administration of safe production of construction projects 》 Regulations , Construction unit ( ) Be fully responsible for the work safety of the unit according to law .（  A  ）

A、 Principal Responsible Person

B、 Chairman of the board of directors

C、 Person in charge of safety production

D、 The general manager

11、【 Single topic selection 】 Measures to avoid explosive hazardous environments in the workplace environment belong to () Explosion proof measures .（  C  ）

A、 secondary

B、 Three times

C、 once

12、【 Single topic selection 】 Insulation screen spacing is to prevent () Basic protective measures against electric shock .（  C  ）

A、 indirect

B、 management

C、 direct

13、【 Single topic selection 】《 Regulations on safety supervision of special equipment 》 Regulations , Installation of hoisting machinery for housing construction sites and municipal engineering sites 、 Supervision and management of use , from ( ) be responsible for .（  C  ）

A、 Quality and technical supervision department

B、 Comprehensive safety production management department

C、 Construction administrative department

D、 Labor and social security department

14、【 Single topic selection 】 Iodine tungsten lamp belongs to ( ) The light source .（  C  ）

A、 Gas discharge

B、 electric arc

C、 Thermal radiation

15、【 Single topic selection 】 In order to improve the stress state of wind resistant column , The wind column should ( ) Connect .（  D  ）

A、 Middle end and roof system

B、 Bottom end and ring beam

C、 The top is connected with the tie beam

D、 Top and roof system

16、【 Single topic selection 】2 Cables for explosion-proof electrical equipment in the zone shall be connected with cables that are suitable for the cables ().（  A  ）

A、 Lead in device

B、 Fastening device

C、 Sealing device

17、【 Single topic selection 】 The working principle of lightning conductor is the same as that of lightning rod , Scope of protection ().（  C  ）

A、 identical

B、 more

C、 smaller

18、【 Single topic selection 】 Production workshop of a factory , Produce a non-conductive food raw material , The minimum ignition temperature of this raw material is Tcl=170℃, Regardless of the thickness of dust accumulation , Choose B The temperature group of this kind of equipment is ().（  A  ）

A、T5

B、T4

C、T6

19、【 Single topic selection 】 Equipment that does not produce sparks or arcs in normal operation is ().（  C  ）

A、 switch

B、 DC motor

C、 Asynchronous motor

20、【 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

21、【 Single topic selection 】 according to 《 Safe production method 》 Regulations , Production and business operation entities must ensure that all employees who take up their posts have gone through ( ), otherwise , The production and business operation unit shall bear legal responsibility .（  D  ）

A、 Safety production education

B、 Safety technology training

C、 Safety operation training

D、 Safety production education and training

22、【 Single topic selection 】 The set width of the cross bridging ( ).（  A  ）

A、 Should not be less than 4 Span , And shall not be less than 6m

B、 Should not be less than 3 Span , And shall not be less than 4.5m

C、 Should not be less than 3 Span , And shall not be less than 5m

D、 Should not be greater than 4 Span , And should not be greater than 6m

23、【 Single topic selection 】 The heat source of the cable terminal is () constitute .（  C  ）

A、 Eddy current loss

B、 Hysteresis loss

C、 Conductor resistance loss and dielectric loss of insulating materials

24、【 Single topic selection 】 After measuring the insulation resistance of the capacitor , The right thing to do is ().（  C  ）

A、 Stop shaking the handle → Remove the test line

B、 Remove the test line → Keep shaking the handle

C、 Remove the test line → Stop shaking the handle

25、【 Single topic selection 】 Compared with general cable section selection , One factor that needs to be considered in the selection of cable section for long-distance and high current circuit is ().（  B  ）

A、 Short circuit thermal stability

B、 Economic current density

C、 Continuous allowable current

26、【 Single topic selection 】 Safety is ( )（  D  ）

A、 No dangerous state

B、 The state of being accident free

C、 Comfortable state

D、 Personnel in the production system shall be protected from unbearable hazards

27、【 Single topic selection 】 Safety production management is an important way to realize safety production ( )（  B  ）

A、 effect

B、 Guarantee

C、 basis

D、 measures

28、【 Single topic selection 】 The pipeline must be installed with completed structure or ( ) For a foothold , It is strictly prohibited to stand and walk on the pipeline under installation .（  D  ）

A、 The scaffold

B、 Templates

C、 Folding ladder

D、 Operating platform

29、【 Single topic selection 】 When putting out a fire , Firefighters should stand in () Put out the fire .（  C  ）

A、、 The side

B、、 Downwind side

C、、 Upwind side

30、【 Single topic selection 】 according to 《 Rules for investigation and analysis of casualty accidents of enterprise employees 》（GB6442－86） The provisions of the , The direct cause of the accident refers to machinery 、 Unsafe state of substance or environment and ( ).（  B  ）

A、 No safe operation procedures or incomplete

B、 Human unsafe behavior

C、 Unreasonable Labor Organization

D、 Lack of inspection or wrong guidance for on-site work

31、【 Single topic selection 】 according to 《 Regulations on reporting and investigation procedures of major accidents in engineering construction 》 The provisions of the , The construction unit has a major accident , Should be ( ) Write a written report within hours , Report level by level according to the specified procedures and departments .（  C  ）

A、4

B、12

C、24

D、48

32、【 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

33、【 Single topic selection 】 The conductor makes the cutting magnetic force in the magnetic field , Ann Full production simulation test Try a little , When the line moves , In the conductor ().（  C  ）

A、 The magnetic field

B、 electric current

C、 Induced electromotive force

34、【 Single topic selection 】 Relay protection () It refers to when the power system fails , The protection device only cuts off the faulty element , So that the non fault components can still operate normally , To minimize the scope of power failure .（  A  ）

A、 selectivity

B、 reliability

C、 Rapidity

35、【 Single topic selection 】 Special for construction site , The neutral point of the power supply is directly grounded 220/380V In three-phase four wire power engineering , The type of grounding protection that must be adopted is ( ).（  B  ）

A、TN

B、TN-S

C、TN-C

D、TT

36、【 Single topic selection 】 The impulse grounding resistance of all lightning protection devices in the construction site shall not be greater than ( ).（  D  ）

A、1Ω

B、4Ω

C、10Ω

D、30Ω

37、【 Single topic selection 】 A flour workshop , The minimum ignition temperature of the flour Tcl=360℃, When the flour is accumulated to a thickness of 6mm The minimum ignition temperature is 290℃, When... Should be selected A For type a equipment, the temperature group of the equipment shall be ().（  C  ）

A、T2

B、T4

C、T3

38、【 Single topic selection 】 The operation ticket is being filled in , Close or open the disconnector , Knife switches are collectively referred to as ().（  B  ）

A、 switch

B、 Knife switch

C、 Load switch

39、【 Single topic selection 】 A factory needs to build a building with a span of about 12m, The height is about 8m, The maximum lifting capacity of a crane installed inside is expected to be 4T Factory building , The best form of plant is ( ).（  D  ）

A、 Bent structure workshop

B、 Steel frame structure workshop

C、 Rigid frame structure workshop

D、 Brick concrete structure workshop

40、【 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

41、【 Single topic selection 】 floor 、 The dimension of the short side on the roof and platform is less than ( ) But it's bigger than 2.5cm The orifice of the must be covered with a solid cover plate .（  B  ）

A、20cm

B、25cm

C、30cm

D、35cm

42、【 Single topic selection 】 HV and EHV cables shall be installed before accessories , Be sure to fully (,) Prevent future insulation retraction .（  A  ）

A、 Heating and straightening

B、 Cooling and straightening

C、 Straighten at normal temperature

43、【 Single topic selection 】 The system in which the protective zero line and the working zero line of electrical equipment are set separately is called ( ) System .（  D  ）

A、TT

B、TN—C

C、TN

D、TN—S

44、【 Single topic selection 】 For power cables in general plants without mechanical ventilation , When selecting a section , The ambient temperature shall be determined as ().（  C  ）

A、 Average daily maximum temperature in the hottest month +5

B、 Ventilation design temperature

C、 Average daily maximum temperature in the hottest month

45、【 Single topic selection 】 Explosion proof electrical equipment shall be installed on a solid metal support , The fixing bolts of electrical equipment with vibration shall have ().（  A  ）

A、 Locking device

B、 Support device

C、 Reversing device

46、【 Single topic selection 】 The secondary line of electric welding machine can be used ( ).（  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 )

47、【 Single topic selection 】 The equipment that generates sparks or arcs in normal operation is ().（  B  ）

A、 Asynchronous motor

B、 switch

C、 transformer

48、【 Single topic selection 】 The scaffold erection plan shall be prepared by ( ) To write ,（  C  ）

A、 scaffolder

B、 Security Officer

C、 On site technical director

49、【 Single topic selection 】 Frog rammer belongs to hand-held mobile electric tool , The head end of the power supply shall be equipped with a leakage action current not greater than ( )m The action time shall not be greater than 0.1s Leakage protector .（  B  ）

A、20

B、30

C、40

D、50

50、【 Single topic selection 】 According to the erection method, power lines can be divided into ().（  C  ）

A、 Transmission and distribution lines

B、 High voltage line and low voltage line

C、 Power lines and overhead power lines

51、【 Single topic selection 】 Spring energy storage operating mechanism when the circuit breaker is in operation , The power supply disconnector of the energy storage motor shall be at ().（  A  ）

A、 Closed position

B、 Off position

C、 Open or closed position

52、【 Single topic selection 】 Portable electric tools used in particularly hazardous environments shall be () Safety voltage below v .（  C  ）

A、12

B、36

C、42

53、【 Single topic selection 】 Generally, it is not set within the height range with crane beam ( ).（  D  ）

A、 skylight

B、 Single storey window

C、 Double windows

D、 Side window

54、【 Single topic selection 】 In violation of the 《 Regulations on the administration of safe production of construction projects 》 Regulations , The construction unit did not damage the adjacent buildings that may be damaged due to the construction of the construction project 、 Special protective measures are taken for structures and underground pipelines , Order to make corrections within a time limit ; Overdue correction , Cause major safety accidents , Criminal , For those directly responsible , Criminal responsibility shall be investigated in accordance with the relevant provisions of the criminal law ; What caused the loss , Undertake... According to law ( ).（  C  ）

A、 administrative responsibility

B、 civil liability

C、 Liability

D、 legal responsibility

55、【 Single topic selection 】 The advantages of resistance grounding of neutral point are ,().（  A  ）

A、 The single-phase grounding current is reduced

B、 No additional equipment is required

C、 Increased electromagnetic interference

56、【 Single topic selection 】 Scholars at home and abroad unanimously recommend () As XLPE The best method to evaluate the insulation condition of cables .（  A  ）

A、 Partial discharge test

B、 Leakage current test

C、 Withstand voltage test

57、【 Single topic selection 】 The utilization factor of the cable insulation layer is ().（  C  ）

A、 Greater than 1

B、 be equal to 1

C、 Less than 1

58、【 Single topic selection 】 The wind is ( ) Grade to . Security production Pass the mock exam at one point . Upper time , Tower crane jacking operation is not allowed .（  A  ）

A、4

B、5

C、6

D、7

59、【 Judgment questions 】 When the cable crosses the river , A special cable bridge must be erected to allow the cable to pass through .()（  ×  ）

60、【 Judgment questions 】 When repairing the line with electricity , Stand on the insulating mat .（  √  ）

61、【 Judgment questions 】 Equipment with safe working voltage belongs to Ⅲ Class a equipment .（  √  ）

62、【 Judgment questions 】 Due to the existence of skin effect and proximity effect , The current carrying capacity of the conductor decreases .()（  √  ）

63、【 Judgment questions 】 The integral prefabricated cable intermediate joint structure is made of a single material .()（  √  ）

64、【 Judgment questions 】 The low frame material elevator shall be equipped with a safe parking device 、 Broken rope protection device 、 Upper limit stop 、 Lower limit stop 、 Safety protection devices such as cage safety door and signal device .（  √  ）

65、【 Judgment questions 】 The high voltage and dazzling light produced by lightning strike can be applied to electrical installations and buildings and other · Safety student Production simulation The test One Diantong · Damage to facilities , Damage to power facilities or power lines may lead to large-scale blackouts .（）（  ×  ）

66、【 Judgment questions 】 The probe length of scaffold board at the end of the operation layer shall be taken as 150mm, Both ends of the plate length shall be reliably fixed with the support rod .（  √  ）

67、【 Judgment questions 】 In case of falling height datum plane 2m above （ contain 2m） Work at heights that may fall is called work at heights .（  √  ）

68、【 Judgment questions 】 The so-called rated capacity refers to : Under the rated state specified on the transformer nameplate , Output capacity of transformer secondary side (kVA). For three-phase transformers , The rated capacity is the sum of three-phase capacities .（  √  ）

69、【 Judgment questions 】 For explosion-proof electrical equipment , Periodic inspection, continuous supervision and necessary maintenance by professionals are important work to ensure explosion-proof safety .（  √  ）

70、【 Judgment questions 】 According to the installation specification of explosion-proof electrical equipment , Its power supply can be TNTTIT Three power systems ; about TNTTIT All exposed external conductor parts of the power supply system do not have to be connected to the equipotential system .（  ×  ）

71、【 Judgment questions 】 Enter the neutral line in the explosion hazardous area N And protective wire PE Wiring shall be separated .（  √  ）

72、【 Judgment questions 】 Boom type and unattached jack up tower crane , No placards shall be hung on the tower .（  √  ）

73、【 Judgment questions 】 The work permit system refers to any electrical work on electrical equipment , Must fill in the work ticket , And arrange safety measures and handle commencement procedures according to the work ticket , Termination and other procedures .（  √  ）

74、【 Judgment questions 】 A three-phase AC circuit has three alternating electromotive forces , They have the same frequency 、 Phase difference 120°.（  √  ）

75、【 Judgment questions 】 TT System refers to the direct grounding of the neutral point of the power supply , The exposed conductive parts of the equipment are connected through their respective PE Three phase four wire low-voltage power supply system with lines directly connected to zero lines .（  ×  ）

76、【 Judgment questions 】 Electricity flows through the human body , The degree of harm to people is closely related to the way through the human body .（  √  ）

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

78、【 Judgment questions 】 Tower crane ’ Safe production Mock exam 1 Diantong ’ The lifting hook can be used to directly hang the object , It is forbidden to transport personnel by tower crane .（  ×  ）

79、【 Judgment questions 】 Safety technical disclosure only emphasizes the disclosure of project technicians to front-line operators .（  ×  ）

80、【 Judgment questions 】 In the absence of the relevant signatory of the safety technical data , Others can sign temporarily .（  ×  ）

81、【 Judgment questions 】 The voltage of high-voltage distribution lines is generally 10kV20kV.()（  ×  ）

82、【 Judgment questions 】 Line power inspection shall be carried out phase by phase .（  √  ）

83、【 Judgment questions 】 People with Meniere's disease are not allowed to engage in electrical work .（  √  ）

84、【 Judgment questions 】 Press GB3836.1-2010 Regulations , Technical symbol for flameproof type “d” It can also be expressed as “dc”.（  ×  ）

85、【 Judgment questions 】 The mixer should not be stopped in the mixing process , If you have to stop for some reason , The load shall be removed before starting again , Do not start with load .（  √  ）

86、【 Judgment questions 】 The cable core adopts multi strand conductor single wire stranding in order to simplify the manufacturing process .()（  ×  ）

87、【 Judgment questions 】 The construction unit can start the construction in the future “ Security Production simulation test a little through “ Staff dormitory shall be set in the completed building .（  ×  ）

88、【 Judgment questions 】 The grounding resistance tester is an instrument for measuring the insulation resistance of the line .（  ×  ）

89、【 Judgment questions 】 When the neutral point is directly grounded and the single-phase grounding occurs in the power system , The line voltage remains unchanged .()（  ×  ）

90、【 Judgment questions 】 The main roads on the construction site must be hardened , Earthwork shall be stacked in a centralized manner . Greening measures shall be taken for exposed sites and earthwork stacked in a centralized manner 、 Cover 、 Curing and other measures .（  √  ）

91、【 Judgment questions 】 The prefabricated cable terminal has excellent cold and heat resistance , stay -80~2500C Stable electro physical and mechanical properties within the range .()（  √  ）

92、【 Judgment questions 】 The allowable current carrying capacity of the conductor depends on its allowable working temperature .（  ×  ）

93、【 Judgment questions 】DIPA21TA,T3 and DIPB21TB,135 Two kinds of explosion-proof signs are dust explosion-proof electrical equipment .（  √  ）

94、【 Judgment questions 】 When the temperature of the transformer reaches the stable temperature rise, it is called the stable temperature rise .（  √  ）

95、【 Judgment questions 】 The anti-static grounding brush of belt drive unit and belt shall be grounded , However, the protective cover can be excluded .（  ×  ）

96、【 Judgment questions 】 Fire fighting equipment must be equipped during welding . Homework finished , Leave enough time to observe , After confirming that there is no ignition point , Before leaving .（  √  ）

97、【 Judgment questions 】 The metal shell of electrical equipment must be protected and connected to neutral .（  √  ）

98、【 Judgment questions 】 There are considerable risks when the shield enters and exits the tunnel , therefore , Countermeasures and monitoring measures must be put in place .（  √  ）

99、【 Judgment questions 】 The longitudinal horizontal bar of scaffold should be lengthened by butt joint , Lap joint can also be used , The lap length shall not be less than 500mm.（  ×  ）

100、【 Judgment questions 】 Command or operation against rules 、 Accidents caused by risky operation , The perpetrator or relevant personnel shall be directly or primarily responsible .（  √  ）

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