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2024 P Cylinder Filling Exam TipsTheoretical exam topics prepared for students who are preparing for the P Cylinder Filling Operation Certificate, monthly updated P Cylinder Filling Exam questions and analysis, I wish you a successful pass of the P Cylinder Filling Exam.
1. [Multiple choice questions] The "Special Equipment Safety Law of the People's Republic of China" stipulates that the production (design, manufacture, installation, transformation, repair) and supervision and management of special equipment safety of special equipment shall be governed by this law. （ ACDE ）
A. Operation
B. Transportation
C. Use
D. Inspection
E. Detection
2. [Multiple choice questions] Which of the following statements about the inspection of vehicle LNG cylinders are correct? （）。 （ ABD ）
A. The inspection agency that undertakes the regular inspection of vehicle gas cylinders shall be approved by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China before it can engage in the regular inspection of vehicle gas cylinders within the approved scope
B. The staff engaged in the regular inspection of vehicle gas cylinders shall obtain the qualification of gas cylinder inspection in accordance with the provisions of the relevant safety technical specifications
C. The gas cylinder inspector shall make inspection records, issue an inspection report after the inspection is completed, and mark the permanent inspection seal on the specified part of the cylinder body in accordance with the relevant regulations. The original inspection records are kept for at least 3 years
D. The inspection agency is responsible for the registration number and the next inspection date of the gas cylinder on the body of the gas cylinder that has passed the inspection. The application position should be convenient for inspection before filling
3. [Multiple choice question] The steel shell of the acetylene cylinder is called the cylinder, and the structural form is () on the national standard. （ AB ）
A. Seamless
B. Welding
C. Assembling
4. [Multiple choice questions] When the cryogenic liquid is in the state of 0 °C and 101.325Kpa, the volume expansion rate is liquid oxygen (), liquid argon (), liquid nitrogen (). （ ABC ）
A、800
B、780
C、647
D、500
5. [Multiple choice questions] What are the main reasons for the abnormal ice jam that may occur during the filling process? （）。 （ ABC ）
A. The ambient temperature is too low
B. The inflation speed is too fast
C. There is water or other impurities in the gas path
6. [Multiple choice questions] For gas cylinders, the filling personnel should first check their () before filling, and they can be filled only after they are qualified. （ ABC ）
A. Inspection of gas cylinders;
B. The color mark of the cylinder;
C. Inspection procedures of inspectors;
D. Whether the attachments are complete
7. [Multiple choice questions] Gas cylinder filling licensing procedures include: () ( ABCD )
A. Application
B. Acceptance
C. Appraisal and review
D. Examination and approval of certificates
8. [Multiple choice questions] The marking items of the circumferentially wound gas cylinders of compressed natural gas steel liners for automobiles include at least the following contents: (). （ ABCDEFG ）
A. The name or code of the manufacturing unit
B. Number of winding cylinders
C. Product standard number
D. Nominal working pressure, Mpa
E. Name of the filling medium
F、缠绕气瓶公称水容积，L
G. G. Winding cylinder manufacturing date
9. [Multiple choice questions] () The gas filling station should be equipped with a corresponding gas concentration monitoring and alarm device. （ CD ）
A. Filling liquefaction;
B. Permanent filling;
C. Filling toxicity;
D. Filling is flammable
10. [Multiple choice question] Article 33 of the Special Equipment Safety Law of the People's Republic of China stipulates that the user of special equipment shall register with the department responsible for the safety supervision and management of special equipment and obtain the use registration certificate before or after the special equipment is put into use or within 30 days after it is put into use. () shall be placed in a conspicuous position of the special equipment. （ C ）
A. Use of certificates
B. Registration certificate number
C. Registration mark
D. Name of the registration authority
11. [Multiple choice question] The "Special Equipment Safety Law of the People's Republic of China" stipulates that regular inspection requirements shall be submitted to the special equipment inspection agency () months before the expiration of the validity period of the inspection. （ B ）
A、6
B、1
C、3
12. [Multiple choice question] The "Special Equipment Safety Law" stipulates that the construction unit for the installation, transformation and repair of special equipment shall submit the proposed installation, transformation and repair of special equipment before construction () The department responsible for the safety supervision and management of special equipment of the people's government of the municipality directly under the Central Government or the city divided into districts. （ B ）
A. Written application
B. Written notification
C. Written filing
13. [Multiple choice question] The "Special Equipment Safety Law" stipulates that special equipment inspection and testing institutions and their inspection and testing personnel shall issue inspection and testing reports objectively, fairly and in a timely manner, and be responsible for the inspection and testing results and (). （ A ）
A. Appraisal conclusion
B. Inspection conclusions
C. Evaluation results
14. [Multiple Choice] The "Special Equipment Safety Law" stipulates that the use of special equipment shall have a specified safety distance. （ B ）
A. Technical requirements
B. Safety protection measures
C. Ancillary facilities
15. [Multiple choice question] In order to make the pressure vessel operate normally and safely, the following requirements for its safety valve are incorrect. （ B ）
A. Compact structure and easy adjustment
B. It can be closed in time after exhausting, but it does not keep sealed.
16. [Multiple choice question] No unit or individual shall (). （ C ）
A. Modified gas cylinders
B. Refurbish the scrapped gas cylinders and use them
C. One of the other two items is acceptable
17. [Multiple choice question] The starting pressure of natural gas in the low-pressure cylinder group is ()MPa. （ B ）
A、8.0；
B、12.0；
C、18.0；
D、22.0
18. [Multiple choice] Filling pressure refers to the pressure of the gas in the cylinder when the cylinder is filled with gas (). （ C ）
A. Start
B. Process
C. End
D, Stationary
19. [Multiple Choice] Check after filling, if it is found that the filling amount is lower than the minimum filling amount, it should be (). （ B ）
A. Check the filling record;
B. Identify the causes;
C. Check the weighing scale;
D. It can be refilled
20. [Multiple Choice] The filling station is forbidden to fill the vehicle cylinders that are used for the first time but have not been sealed or vacuumed, for the purpose of (). （ D ）
A. Ensure the quality of the filled LPG;
B. Prevent the pressure in the vehicle cylinder from being too high and not conducive to filling operation;
C. Prevent the accumulation of static electricity in the container caused by the excessive speed of the vehicle cylinder;
D. Ensure that the oxygen content of LPG in the filled container is controlled within the safe value.
21. [Multiple choice question] The limit value of the dial scale of the pressure gauge should be selected according to the size of the working pressure, that is, there is an appropriate margin and it is easy to observe, and the limit value of the scale of the dial of the pressure gauge should be 1.5~3.0 times of the working pressure, and it is best to choose () times. （ B ）
A、1．5；
B、2；
C、2．5；
D、3
22. [Multiple choice question] Compressors can be divided into low-pressure compressors, medium-pressure compressors, high-pressure compressors and ultra-high-pressure compressors according to (). （ D ）
A. Rated pressure;
B. Working power;
C. Working pressure;
D. Exhaust pressure
23. [Multiple choice] Combustible gas mixed with air (oxygen) ignites and explodes under (). （ A ）
A. Chemical explosions
B. Physical explosion
24. [Multiple choice question] In all gas-using occasions, if a fire occurs, it should be the first (). （ B ）
A. Alarm
B. Turn off the air source and the power supply that has an impact
25. [Multiple choice question] In the daily filling operation, the judgment of the safety and reliability of the gas cylinder is inseparable from the professional level of the operator, and it is also inseparable from (). （ C ）
A. Patrol inspection of operators;
B. Operator inflation tracking record;
C. The work responsibility of the operator;
D. Rules and regulations for operating positions.
26. [Multiple choice question] If the driver of a vehicle proposes to refuel 50 yuan in advance, and the refueling personnel find that the refueling reaches 39.9 yuan in the refueling operation, the refueling gun will stop refueling. At this moment, can the refueling personnel (). （ C ）
A. Continue to refill until 50 yuan;
B. Refill gas to 40 yuan;
C. Stop refueling immediately;
D. Operate according to the actual condition of the vehicle gas cylinder.
27. [Multiple Choice] Density is the amount of () contained in a unit volume. （ C ）
A. Chemistry
B. Physics
C. Substance
28. [Multiple choice question] The filling unit that fails to pass the annual supervision and inspection and should revoke the filling license, () revoke the filling license. （ B ）
A. By the prefecture, city and state level quality supervision departments;
B. Report to the provincial quality supervision department;
C. County, city and district quality supervision departments
29. [Multiple choice question] When the liquid level of a storage tank exceeds the liquid level of the police boundary, the operation () shall be adopted. （ C ）
A. Venting;
B. Cooling;
C. pouring the can;
D. Sewage discharge
30. [Multiple Choice] Fast refueling means that the completion time of the refueling machine to the automobile gas cylinder is not more than () minutes.
A、1
B、5
31. [Multiple choice question] There are two kinds of operating temperatures of continental fusible plugs, () used to dissolve acetylene cylinders; () for other gas cylinders. （ B ）
A、90±5℃；75＋4－2℃
B、100±5℃；70＋4－2℃
32. [Multiple choice question] After the gas cylinder is inspected before filling, () should be carried out. （ A ）
A. Records
B. Filling
C, Stationary
D. Replacement
33. [Multiple choice question] Check after filling the gas cylinder, and the safety production mock test is clear, and whether the temperature of the cylinder is abnormal (). （ C ）
A. Change
B. Lower
C. Elevated
D. Situation
34. [Multiple choice question] The gas cylinder inspection agency shall destructively dispose of the scrapped gas cylinders that fail to pass the inspection. The destructive treatment of gas cylinders must be carried out in the manner of (). （ D ）
A. Drilling;
B. Destroy the bottle valve thread;
C. Scrap steel stamp;
D. Disassemble and flatten the bottle
35. [Multiple choice question] The words of the gas cylinder are generally expressed in () and imitation Song style. （ B ）
A. English
B. Chinese characters
C, pinyin
36. [Multiple choice question] The hydrostatic test pressure of the gas cylinder is the nominal working pressure (). （ B ）
A、1.0倍
B, 1.5 times
37. [Multiple choice question] The gas cylinder () is modified, and it is used to fill other media after modification. （ B ）
A. Yes
B. No, you cannot
38. [Multiple choice] The situation in which an object changes its size and shape due to () is called the deformation of the object. （ B ）
A. The effect of the absorption force between the molecules inside the object;
B. The action of external forces;
C. The role of internal forces
39. [Multiple Choice] The density of a substance generally does not depend on its external shape, volume and mass, environment, etc. （ A ）
A. Change
B. Do not change
C. Reaction
40. [Multiple choice question] The material of the bottle valve should meet the provisions of the corresponding standard, and the material used will neither occur with the gas contained in the bottle, nor will it affect the quality of the gas; （ A ）
A. Chemical reaction
B. Physical reactions
C. Biochemical reactions
D. Explosion
41. [Multiple choice] The chemical formula of methane is (). （ A ）
A、CH4
B、C3H8
42. [Multiple choice question] The content of H2S in the temperament standard for compressed natural gas for vehicles should not be greater than (). （ A ）
A、15mg/m3
B、20mg/m3
43. [Multiple choice questions] The following () accidents will be subject to administrative sanctions against the principal leaders of the local people's governments and the principal responsible persons of the relevant government departments in accordance with the "Provisions of the State Council on the Investigation of Administrative Responsibility for Extraordinarily Serious Safety Accidents", and if the crime of dereliction of duty or other crimes is constituted, criminal responsibility shall be investigated according to law (ABCDE)
A. Extraordinarily large fire accidents
B. Extraordinarily serious traffic safety accidents
C. Extraordinarily large construction quality and safety accidents
D. Extraordinarily serious safety accidents of civil explosives and chemical dangerous goods
E. Other major safety accidents
44. [True or False] The "Special Equipment Safety Law of the People's Republic of China" stipulates that the production, operation and use of special equipment and its main responsible persons are responsible for the safety of their production, operation and use of special equipment. （）（ √ ）
45. [True or False] The "Special Equipment Safety Law of the People's Republic of China" stipulates that it is forbidden to use special equipment that has been eliminated and scrapped by the state. （）（ √ ）
46. [True or False] The "Special Equipment Safety Law of the People's Republic of China" stipulates that the department responsible for the safety supervision and management of special equipment shall implement key safety supervision and inspection of special equipment in schools, kindergartens, hospitals, stations, passenger terminals, shopping malls, stadiums, exhibition halls, parks and other public gathering places. （）（ √ ）
47. [True or False] The "Special Equipment Safety Law of the People's Republic of China" stipulates that the special equipment user shall carry out regular maintenance and regular self-inspection of the special equipment it uses, and make records. （）（ √ ）
48. [True or False] The "Special Equipment Safety Law of the People's Republic of China" stipulates that special equipment includes its attached safety accessories and safety protection devices. （）（ √ ）
49. [True or False] The Work Safety Law stipulates that employees of production and business operation entities have the right to obtain safety guarantees in accordance with the law, and shall perform their obligations in production safety in accordance with the law. （）（ √ ）
50. [True or False] The "Regulations on the Safety Supervision of Special Equipment" has no specific requirements for the management personnel of gas cylinder filling units. （ × ）
51. [True or False] Do not tighten or loosen any parts of the pressurized equipment. （）（ √ ）
52. [True or False] If a person needs to enter the dangerous area of ammonia leakage, he must wear a self-supplied breathing apparatus, full-body protective clothing and boots. （）（ √ ）
53. [True or False] The staff of the production position of the filling station must wear anti-static work clothes. （）（ √ ）
54. [True or False] The Regulations on the Administration of Work Safety in Construction Projects stipulates. The construction administrative departments of the people's governments at or above the county level and other relevant departments shall "make a one-point pass in the safety production mock examination" and promptly accept reports, accusations and complaints about construction project production safety accidents and hidden dangers of safety accidents (√)
55. [True or False] During the filling process, the valve of the gas cylinder in the half-open and half-open state must be checked for leakage. （ √ ）
56. [True or False] All gases that can corrogate the human body, metals or other substances are called corrosive gases. （）（ √ ）
57. [True or False] All gases that can burn or explode when exposed to fire, heat, or in contact with oxidizing gases are collectively referred to as combustible gases. （）（ × ）
58. [True or False] Each CNG cylinder leaving the factory should be accompanied by a product certificate, and the user should be provided with an instruction manual. （）（ √ ）
59. [True or False] The cycle of regular inspection of compressed natural gas cylinders is 3 years. （ × ）
60. [True or False] Compressed gas, high-pressure liquefied gas and low-pressure liquefied gas are distinguished by pressure. （ × ）
61. [True or False] The filling flow rate of compressed gas shall not be greater than 10m3/h. （ × ）
62. [True or False] The combustion danger of flammable liquefied gases is as great as the danger of flammable liquids. （）（ × ）
63. [True or False] The higher the lower explosion limit when combustible gas is mixed with air, the higher the degree of danger. （ × ）
64. [True or False] Special equipment operators who interrupt their engagement in licensed projects for more than 12 months during the review period are unqualified in the review. （ √ ）
65. [True or False] It is not allowed to wear chemical fiber overalls in workplaces with high explosion risk. （）（ √ ）
66. [True or False] In the event of a thunderstorm, it is strictly forbidden to carry out natural gas and other combustible gas release operations and loading and unloading operations. （）（ √ ）
67. [True or False] The main component of natural gas is methane. （?）（ √ ）
68. [True or False] If the filling personnel wear anti-static work clothes, they do not have to perform the procedure of touching the electrostatic grounding rod and deriving static electricity from the body before entering the filling room. （）（ × ）
69. [True or False] The verification cycle of the safety valve is 12 months, and the verification cycle of the pressure gauge is 6 months. （）（ √ ）
70. [True or False] No trench shall be set up in the basement of the combustible gas plant or warehouse with a density equal to or greater than air, and if it must be set up, the cover plate shall be filled with sand or forced ventilation measures shall be adopted. （）（ √ ）
71. [True or False] The only way to make ammonia in industry is to use the direct synthesis method. （）（ √ ）
72. [True or False] Commonly used temperatures are measured by Celsius and Kelvin. （ √ ）
73. [True or False] New bottles or gas cylinders that have passed the regular inspection shall not be filled for the first time without replacement or vacuuming. （ √ ）
74. [True or False] Gas cylinders manufactured by units without a manufacturing license are not allowed to be filled. （ √ ）
75. [True or False] The warehouse of flammable and gas-assisted gas cylinders shall meet the requirements of the Code for Fire Protection Design of Buildings, and the storage of other types of gas cylinders shall not be subject to this restriction. （）（ × ）
76. [True or False] The saturation temperature of a gas is also a critical temperature. （）（ × ）
77. [True or False] The gas cylinder is pumping. Latest Analysis. The residual air must be drained before vacuum. （ √ ）
78. [True or False] The gas cylinder model CNG2-G-325-50-20A is a kind of compressed natural gas steel liner glass fiber circumferential winding gas cylinder for automobiles. （）（ √ ）
79. [True or False] The gas cylinder inspection unit can weld and repair the cylinder. （）（ × ）
80. [True or False] Gas cylinder manufacturers must obtain a manufacturing license issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China. （）（ √ ）
81. [True or False] The place where the gas cylinder is placed should not be close to the heat source and open flame, and the cylinder body should be kept dry. （）（ √ ）
82. [True or False] The manufacturing unit of the gas cylinder accessories must be responsible for the safety performance and product quality of the gas cylinder accessories designed and manufactured, and ensure that the gas cylinder valves are safely used at least until the next inspection date of the gas cylinders. （ √ ）
83. [True or False] Water and water vapor are both composed of water, so they have the same physical properties. （）（ × ）
84. [True or False] The boiling point of water is 100 °C, so the boiling point of carbon dioxide is also 100 °C. （）（ × ）
85. [True or False] The temperature at which a liquid begins to boil is called the boiling point. （）（ √ ）
86. [True or False] The rupture disc type relief device is a pressure relief device that can be closed repeatedly due to the action caused by the static pressure of the air inlet. （ × ）
87. [True or False] The function of the bottle cap is to prevent the collision of the cylinder valve during the handling and use of the cylinder and the occurrence of accidents such as the flown out of the cylinder valve and the explosion of the gas cylinder. （）（ √ ）
88. [True or False] A gas cylinder containing a mixture of gases can be modified with a single gas or a mixture of gases with different characteristics. （ × ）
89. [True or False] It is forbidden to refill used non-refillable gas cylinders. （ √ ）
90. [True or False] It is forbidden for gas cylinder filling units or inspection institutions to resell scrapped gas cylinders that have not been processed to eliminate all functions. （）（ √ ）
91. [True or False] Air separation liquefaction fractionation method, also known as "cryogenic oxygen production" safety production mock test one-point "method". （）（ √ ）
92. [True or False] When the concentration of ammonia in the air reaches 0.5~0.6%, people will be poisoned. （ √ ）
93. [True or False] There are usually three types of aggregation states (or forms) of substances in nature: gaseous, liquid and solid. （）（ √ ）
94. [True or False] When transporting, loading and unloading gas cylinders, you must wear gas cylinder caps and shockproof rings. （）（ √ ）
95. [True or False] Under the action of external force, the elastic deformation of metal materials will first occur. （ √ ）
96. [True or False] The regular inspection items of steel seamless gas cylinders include: appearance inspection, internal inspection, bottle mouth thread inspection, bottle valve inspection and assembly, air tightness test, inspection of steel seal mark, coating bottle color mark and inspection color code, etc. （ √ ）
97. [True or False] After the regular inspection of the steel seamless gas cylinder valve is completed, it should be firmly assembled, and the effective number of threads and sealing performance of its connection with the bottle mouth should be ensured, and the number of exposed threads shall not be less than 1~2 teeth. （ √ ）
98. [True or False] () The "Special Equipment Safety Law" stipulates that this law does not apply to the supervision and management of the safety of special equipment used in military equipment, nuclear facilities, and aerospace vehicles. （ √ ）
99. [True or False] () The "Special Equipment Safety Law" stipulates that the local people's governments at or above the county level are responsible for the supervision and management of the safety of special equipment within their respective administrative areas. （ × ）
100. [True or False] () The "Special Equipment Safety Law" stipulates that the safety work of special equipment should adhere to the principles of safety first, prevention first, and comprehensive treatment. （ × ）
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