Question bank source: Safety Production Simulation Examination Yitong Official Account Mini Program 2022 Gas Theory Question Bank is a new full test question type for the gas exam simulation questions! The 2022 gas job certificate question bank and answers are based on the pre-ga

Question Bank Source: Safety Production Simulation Examination Yitong Official Account Mini Program

2022 Gas Theory Question Bank is a new full test question type for the gas exam simulation questions! The 2022 gas job certificate question bank and answers are based on the pre-gas test questions. Gas examination materials can be found at any time based on the production safety simulation examination on the small program.

1. [Single choice question] The scene of a gas leak accident in the TRTh shaft seal, evacuees can quickly identify the wind direction through flags, branches or handkerchiefs, and evacuate to ( ). (A)

A, upwind direction or crosswind direction;

B, downwind direction;

C, crosswind direction;

D, upwind direction

2, [Single choice question] "National Health Standards" stipulate that the maximum allowable value of CO concentration in the air is ( )mg/m³. (A)

A, 30

B, 50

C, 1003

3, [Single choice question] The ignition temperature of carbon monoxide is ( )℃. (B)

A, 630

B, 610

C, 580

4, [Single choice question] It is not allowed to discharge hydrogen indoors. Purge, replace, air-release and pressure-down must be discharged through the vent pipe, and the outlet of the vent pipe is set ( ). (B )

A, breathing valve

B, fire arrester

C, check valve

5, [Single choice question] What cannot be laid with the gas pipeline together is ( ) ( A )

A, power cable

B, oxygen pipeline

C, natural gas pipeline

6, [Single choice question] In order to ensure the safety of mechanical operation, personnel who operate various machinery ( ) After professional training, you can master the basic knowledge of the performance of this equipment, pass the exam, and hold a certificate to work. (A)

A,

B,

C, recommended

7, [Single choice question] The correct description of the configuration method of mixing and pressurizing stations first and then pressurizing is: (). (C)

A, the mixing station is in front, the pressurization station is at the back

B, the pressurization station is at the front, the mixing station is at the back

C, several types of gas first pass through the mixing station and then enter the pressurization station to pressurize and then supply the user

8, [Single choice question] When a person is found to be electrocuted, ( ) should be taken to remove it from the power supply. (B)

A, immediately pull the person who is electrocuted by hand

B, use an insulated object to clear the power supply or electric shock

C, use an iron rod to clear the power cable

9, [Single choice question] The "LEL" in the detection unit of measurement of a combustible gas detection instrument refers to ( ) ( B )

A, the upper limit of explosion of combustible gas

B, the lower limit of explosion of combustible gas

C, the maximum allowable concentration of combustible gas

10, [Single choice question] International unit system uses KJ to represent energy units, and kcal is commonly used in engineering, and the relationship between the two is (). (A)

A, 1cal=4.18kj

B, 1cal=1000j

C, 1j=1000cal

11, [Single choice question] In general, dangerous operations of hypoxia and special dangerous operations, operators must be equipped and used ( ) (C )

A, anti-virus mask

B, filtered gas mask

C, isolated respiratory equipment

12, [Single choice question] The basic deformation of mechanical components does not include (). (A)

A, fracture

B, stretching and compressing

C, bending

D, cutting

13, [Single choice question] () Have the right to report acts that violate " Labor Contract Law of the People's Republic of China ". The labor administrative departments of the people's governments at or above the county level shall promptly verify and deal with them, and reward those who have reported meritoriously.(D)

A, both parties to the contract

B, all personnel involved in the contract

C, staff of local inspection and supervision agencies

D, any organization or individual

14, [Single choice question] Temporary electricity consumption at the construction site must be strictly implemented (　　) protection and zero connection system, and strictly implement the principle of three-level power distribution and two-level protection. (A)

A, TN-S

B, TN-C-S

C, TN-Ch

D, TN-S-C

15, [Single choice question] When the new mast is assembled, the center line deviation is not greater than ____ of the total support length. (A)

A, 1/1000

B, 1/500

C, 3/1000

D, 1/200

16, [Single choice question] In the use and maintenance of gas protection instruments, the air respirator pressure is lower than ( ) should be inflated immediately at the gas protection station (C )

A, 10Mpa

B, 15MPa

C, 20Mpa

17, [Single choice question] In the dilute oil cabinet, the storage room for storage of piston sealing and safely running for a period of time when power outage is called (). (C)

A, separation chamber

B, flow chamber

C, preparatory tank

18, [Single choice question] The load subject to tensile test is () load. (B)

A, impact

B, static

C, cross

D, dynamic

19, [Single choice question] The setting of occupational disease protection facilities in the workplace should (). (B)

A, set

B according to national standards, adapt to occupational disease hazard protection

C, set

20 according to production scale, [Single choice question] Inclined lifting will cause heavy objects to swing, causing (　　) to directly lead to the crane instability. (　) (B)

A, centrifugal force

B, inertia force

C, gravity

D, tension

21, [Single choice question] When the seat belt is not in use, it must be kept properly, and it cannot be touched (), open flame, strong acid , or sharp objects, and do not store it in a humid warehouse for storage. (B)

A, low-temperature

B, high-temperature

C, weak alkali

D, BC

22, [Single choice question] Education and training for employees' safety production should be established and improved. (A)

A, labor safety education and training system

B, production training education system

C, labor training education system

D, labor production education and training system

23, [Single choice question] There are two types of starting methods for three-phase cage asynchronous motors, both direct startup and (　) startup under the rated voltage. (C)

A, rotor string frequency sensitive

B, rotor string resistance

C, reduce start voltage

D, reduce start current

24, [Single choice question] After the local people's governments in the place of the accident occurred, production safety supervision and management departments and relevant departments responsible for production safety supervision and management receive the accident report, the person in charge shall _____ to the accident site and organize accident rescue. (B)

A,

B within 1 hour,

C immediately,

D within 2 hours,

25 within 3 hours, [Single choice question] The foundation and foundation of the construction elevator should meet (　) requirements. (B)

A, actual use

B, instruction manual

C, construction unit

D, supervision unit

26, [Single choice question] When a spinal injury fracture occurs, 3 to 4 people use both hands to insert the head, shoulders, chest, hips and lower limbs, and then lift the injured person in a consistent manner and place it flat on a stretcher is called ().(A)

A, pineapple method

B, roll method

C, fixation method

27, [Single choice question] If there is a squid in the frozen soil blasting, you should shoot the eye separately outside the original gun hole ____. (B)

A, 40cm

B, 60cm

C, 30cm

D, 50cm

28. [Single choice question] When pouring concrete of walls, columns, and beams above height () m, an operating platform should be set up. (A)

A, 2

B, 3

C, 4

D, 5

29, [Single choice question] The user shall conduct regular and regular inspections, () and maintenance of the building lifting machinery and its safety protection devices, slings, rigging, etc. in use, and keep records. (A)

A, maintenance

B, repair

C, oil

D, rust removal

30, [Single choice question] organic hot carrier sampling analysis generally takes () ml, some of which are used for analysis, and the rest are used for storage samples. (C)

A, 250

B, 500

C, 1000

D, 2000

31, [Single choice question] When the TL180 type bulldozer starts in gear, the engine should run at idle speed, and it can only be (　　). (A)

A, step on the acceleration board

B, step on the accelerator

C, step on the brake

D, step on the reduction board

32, [Single choice question] According to the harmful effects of harmful gases on the human body, the following gases are simply asphyxiating gases (A )

A, nitrogen

B, carbon monoxide

C, hydrogen sulfide

33, [Single choice question] The main reason why the boiler heating surface (the heat transfer surface of heat exchanger ) needs to be cleaned (or cleaned) regularly is (). (A)

A. The scale layer can produce considerable thermal resistance, reduce thermal efficiency, waste fuel

B, prevent corrosion

34. [Single choice question] During winter construction, pay attention to _____ when working at high places. (B)

A, anti-freeze

B, anti-slip

C, anti-fall

D, anti-quality accident

35, [Single choice question] Before repairing fire, the combustible gas in the gas facility must be ( ) and the fire can be started after passing the measurement with a combustible gas measuring instrument or passing the burst experiment. (A)

A, replace

B, empty

C, ignite

36, [Single choice question] The distance between any part of the tower crane and the transmission line shall not be less than ____m. (B)

A, 4

B, 1

C, 3

D, 2

37, [Single choice question] The relationship between the rated installation load of the construction elevator and the rated load capacity is (　　). (A)

A, less than the rated load capacity

B, equal to the rated load capacity

C, greater than the rated load capacity

D, unable to compare

38, [Single choice question] The grounding resistance of gas detector and alarm controller should be less than or equal to ( )Ω ( C )

A, 10

B, 6

C, 4

39, [Single choice question] The reason for the pressure and flow rate of the gas pipeline fluctuation at the same time may be (). (A)

A, pipeline network water accumulation

B, instrument failure

C, instrument conduit water accumulation

40, [Single choice question] acetylene bottle should be placed at least () meters away from the open flame, and it is strictly forbidden to rewind.(C)

A, 3

B, 5

C, 10

D, 15

41, [Single choice question] The most basic and most important purpose of on-site first aid is ( ) (C )

A, treatment success rate

B, reduced disability rate

C, save life

42, [Single choice question] The vertical distance between each operation position in the work area and the corresponding fall height reference plane is called the height operation height of the work area. (A)

A, maximum value

B, minimum value

C, average value

D, none of them are correct

43, [Single choice question] The necessary conditions for burning include (). (A)

A, combustible material or fuel

B, temperature level added above the ignition combustion temperature

C, sufficient oxygen or air

D, sufficient combustion time

44, [Single choice question] Professional ethics refers to what people should follow in their professional life ( ). (A)

A, basic moral

B, fundamental moral

C, main moral

45, [Single choice question] registered architect and other registered practitioners shall be responsible for them. (B)

A, survey

B, design

C, construction

D, supervision

46, [Single choice question] The thermal energy or electrical energy utilization rate of organic heat carrier furnace under the rated working conditions is called (). (A)

A, thermal efficiency

B, thermal power

47, [Single choice question] If an accident occurs in the construction project that implements general contracting , () shall be responsible for reporting the accident. (B)

A, owner

B, general contractor

C, unit

D, unit

48 at the location of the accident, [Single choice question] The oxygen content of converter gas reaches ( ) electro-dust removal interlocking power outage. (A)

A, 2%

B, 3%

C, 4%

49, [Single choice question] When the deviation between the power supply voltage value and the rated voltage value of the construction elevator exceeds ()%, or the total power supply is less than the specified value of the construction elevator, the construction elevator shall not be used. (D)

A, 3

B, 4

C, 6

D, 5

50, [Multiple choice question] According to TSGG0001-2012 "Boiler, Safe Production Simulation Examination One-to-Open, Safety Technical Supervision Regulations", which of the following is the conclusion of the water pressure test? (). (CD)

A, meet the requirements

B, do not meet the requirements

C, basically meet the requirements

D, qualified

E, unqualified

51, [Single choice question] The buffer is a device installed on the chassis to absorb (　　) kinetic energy and play a buffering role. (A)

A, lowering cage or counterweight

B, counterweight

C, lowering cage

D, carrier

52, [Single choice question] The rotary mechanism of tower crane uses () brake. (A)

A, normally open

B, block

C, disc

D, normally closed

53, [Single choice question] Working at high places where protective facilities are incomplete or without protective facilities must (). (D)

A, wear work clothes

B, wear red clothes

C, wear gloves

D, fasten the seat belt

54, [Single choice question] When an emergency situation endangers personal safety during construction occurs, the operator has the right to () or evacuate the dangerous area after taking necessary emergency measures.(A)

A. Stop the homework immediately

B. Do the work at hand first and then talk about

C. Take risks and complete the homework

D. Let it go

55. [Multiple choice question] What are the methods of boiler heating pipes? () (ABCD)

A, open the drain valve of the main steam pipe at a low point

B, slowly open the main steam valve

C, fully open the main steam valve. When steam comes out of the drain valve, immediately close the

D, turn the main steam valve back half a circle to prevent inflexible switches in the future

56, [Multiple choice question] Which of the following belongs to special equipment. () ( ABC )

A, elevator

B, lifting machinery

C, boiler

D, concrete vibrator

57, [Single choice question] Which of the following expressions is wrong in the relationship between the concentration of the regeneration liquid and the degree of resin regeneration () (C )

A. Excessively high concentration of regeneration liquid will compress the exchange group, causing the regeneration effect to decrease

B. Appropriately increasing the concentration of regeneration liquid can improve the regeneration degree of resin

C. Low concentration regeneration can extend the time between regeneration liquid and resin. Therefore, the lower the regeneration concentration, the better

58. [Multiple choice question] The construction unit shall establish a fire safety responsibility system at the construction site, determine the person responsible for fire safety , formulate various fire safety management systems and operating procedures such as fire , electricity use, and the use of flammable and explosive materials, (). (ABDE)

A, set fire escape

B, set fire water source

C, conduct fire prevention drills once a week

D, set obvious signs at the entrance of the construction site

E, equipped with fire fighting facilities and fire extinguishing equipment

59, [Judgement Question] For wire ropes, safe production simulation exams are passed, and regular system lubrication can ensure the performance of the wire rope and extend the service life. (√)

60. [Judgement Question] If the relevant local people's government or relevant departments deliberately delay or refuse to implement the approved handling opinions on the person responsible for the accident, the superior government shall impose punishment on the relevant responsible persons in accordance with the law. (×)

61. [Multiple choice question] "Prevention is the main priority" requires that you should always pay attention to preventing the occurrence of safety accidents during work. (√)

62. [Multiple choice question] The CO alarm detects CO in the gas pipeline. (×)

63. [Multiple choice question] The rotary mechanism of the tower crane uses a normally closed brake. ( × )

64. [Multiple choice question] The CO gas detection alarm device should be updated according to the service life of its electronic device . The whole machine should be updated ( √ )

65. [Multiple choice question] The most common accidents in installation, maintenance and demolition operations at high places are falls, object strikes, lightning and other accidents. (√)

66. [Multiple choice question] Once a fracture is suspected, try to avoid moving the injured part, and the fracture should not be accurately reduced at the scene. (√)

67. [Multiple choice question] In order not to damage gas cabinet due to collision, gas cabinet piston is not allowed to rise to the highest point or fall to the lowest point. For this reason, the upper and lower limit security amount should be provided. (√)

68. [Judgement Question] Work-related Injury Insurance Fund should leave a certain proportion of reserves to coordinate the payment of work-related Injury Insurance benefits for major accidents in the region. (√)

69. [Multiple choice question] The primary instrument room of the pressurized station and the mixing station should be equipped with a forced ventilation device. (√)

70. [Multiple choice question] Pipes such as generator gas, water gas , semi-water gas, blast furnace gas and converter gas should not be buried and laid, and coke oven gas pipelines can be buried and laid.(√)

71. [Judgement Question] After a gas fire accident, the emergency plan should be activated immediately, an accident handling command should be established, and an accident handling plan should be formulated quickly. All personnel participating in the first aid must obey the unified "safety production simulation exam" command to prevent the accident from expanding. (√)

72. [Multiple choice question] When the pressure in an industrial furnace or pipeline is higher than the external pressure, it is called negative pressure. (√)

73. [Multiple choice question] When external chest compression of cardiopulmonary resuscitation, squeeze the heel of the palm quickly relax, so that the injured person's chest can be restored, and the root of the palm must be completely lifted. (×)

74. [Judgement Question] The hydrogen pipeline equipment must be replaced thoroughly to prevent residual residues at the ends of blind spots. (√)

75. [Judgement Question] The door switch for dual-use construction elevators for lifts can be operated by personnel on the floor. () ( × )

76. [Judgement Question] The main person in charge of the production and operation unit is responsible for the unit's production safety work to report production safety accidents in a timely and truthful manner. (√)

77. [Judgement Question] The main function of oil-water separator oil level is to control the automatic start and stop of the oil pump. (×)

78. [Multiple choice question] During electrical equipment inspection, power can be sent according to the appointment time during maintenance. (×)

79. [Judgement Question] Carbon monoxide in gas is a highly toxic asphyxiating poison. The higher the carbon monoxide content in coal gas, the greater the toxicity. (√)

80. [Multiple choice question] When putting in the soda sampler, you must turn on the cooling water system first. () (√)

81. [Judgement Question] Gas operators should receive corresponding safety technical theories and practical operation training for gas operations, and obtain professional qualifications, "safety production simulation test, one-way pass" before they can take up their jobs. (√)

82. [Judgement Question] The lead seal on the gas and hydrogen safety valve shall not be unsealed without authorization, and the nameplate shall not be removed or replaced without authorization. (√)

83. [Judgement Question] Personnel suffering from hypertension , heart disease, anemia, epilepsy, severe arthritis, limb disability or taking drowsy , excitation and other drugs, as well as other contraindicated high-level operations shall not be engaged in high-level operations. (√)

84. [Judgement Question] No anti-freeze measures are required when the water in the gas cabinet is sealed in cold areas. (×)

85. [Judgement Question] During the operation of the gas cabinet, negative pressure may appear in the cabinet. (×)

86. [Judgement Question] Gas explosion limit: BFG is 12.5%~74%, COG is 35%~72%, and LDG is 5%~23%. (×)

87. [Judgement Question] The equipment and facilities on production operations shall comply with national standards and industry standards. (√)

88. [Judgement Question] The rated RCD refers to the maximum current that can make RCD move. (×)

89. [Judgement Question] Employees in production and operation units should have the necessary knowledge of safety production, be familiar with relevant safety production rules and regulations and safety operating procedures, master the safety operation skills of this position, understand emergency response measures for accidents, and be aware of their rights and obligations in safety production. (√)

90. [Multiple choice question] Roots blower is also a pressurization device selected for gas pressurization stations. Its pressure boost is generally higher than that of a single-stage centrifugal blower. (√)

91. [Judgement Question] 0.8m high protective railing should be installed on the outside of the working layer of . ( × )

92. [Judgement Question] If the accident situation exceeds the legal time limit for the accident report and there is no legitimate reason to report the accident, it is the delayed report of the accident and bears the corresponding legal responsibility ( √ )

93. [Judgement Question] Electric dust removal of the converter gas cabinet can first transmit electricity and then gas is connected. (×)

94. [Multiple choice question] Enter the gas facility to work, and you can operate as long as the gas content cannot be detected. (×)

95. [Multiple choice question] A boiler that has been deactivated for a long time must be oven-dryed in advance before operation.(√)

96. [Multiple choice question] The moving blades of the turbine host are not adjustable, and static blades are adjustable. (√)

97. [Multiple choice question] When working on top of the gas plate, you do not need to set up a shelf platform or italics when working on high altitudes. (×)

98. [Multiple choice question] Blast furnace and converter gas are both by-products during smelting of metallurgical factories. The BFG calorific value is 3140~~3560KJ/Nm³, and the calorific value of LDG is 7117.56~8373.6KJ/Nm³. (√)

99. [Judgement Question] The ignition temperature of blast furnace gas is higher than that of coke oven gas . (√)

100. [Multiple choice question] The color ring color mark on the blast furnace gas pipeline adopts bright red (×)

supports the test questions of precision gas operation tests in various regions across the country, supports safety qualification certificate, special operation operation certificate , professional skills appraisal and other job question bank exercises.