2022r2 mobile pressure vessel filling test question simulation test platform operation

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

2022 year R2 The mobile pressure vessel filling question bank is R2 Mobile pressure vessel filling test questions must be practiced before the test ！2022R2 Operation basis of mobile pressure vessel filling test question simulation test platform R2 Mobile pressure vessel filling new examination question bank .R2 The mobile pressure vessel filling test paper can find the answer at any time according to the one-point pass of the safety production simulation test .

1、【 Multiple choice 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations , The following （） The equipment shall be scrapped , And cancel it with the original registration authority .（  CD  ）

A、 There have been many accidents

B、 Beyond the inspection cycle

C、 There are serious potential accidents , No modification 、 Maintenance value

D、 Meet other scrapping conditions specified in the safety technical specifications

2、【 Multiple choice 】《 Management rules for the use of special equipment 》 Regulations , The user of special equipment shall, according to the operation characteristics of the special equipment used, etc , Develop operating procedures . Operating procedures generally include （）、 Regulations on patrol inspection and handling of abnormal conditions , And corresponding records .（  ABCD  ）

A、 Equipment operating parameters

B、 Operating procedures and methods

C、 Maintenance requirements

D、 Safety precautions

3、【 Multiple choice 】《 Supervision Regulation on safety technology of mobile pressure vessels 》 Regulations ： The user shall clearly put forward the requirements for safe operation of mobile pressure vessels in the process and post operation procedures , Among them, the vehicle safety requirements for mobile pressure vessels , Include （）.（  ABC  ）

A、 Vehicle condition

B、 The allowable driving speed of the vehicle

C、 Work and rest time requirements during transportation

4、【 Multiple choice 】《 Supervision Regulation on safety technology of mobile pressure vessels 》 Regulations ： The filling medium of mobile pressure vessel shall be consistent with () Agreement .（  ABC  ）

A、 Nameplate

B、 Use the registration certificate data

C、 sign

D、 The driver asked

5、【 Multiple choice 】 When the mobile pressure vessel explodes, it often causes （） Hazards of .（  ABCD  ）

A、 Shockwave

B、 debris

C、 Medium toxicity

D、 Secondary explosion

6、【 Multiple choice 】 Mobile pressure vessel change registration includes （）.（  BC  ）

A、 Changes in safety conditions

B、 Long term shutdown change

C、 Transfer change

7、【 Single topic selection 】《 Assessment rules for special equipment operators 》 Regulations ： Not older than （) year , You can apply for the examination of special equipment operators .（  A  ）

A、60

B、65

8、【 Single topic selection 】《 Management rules for the use of special equipment 》 Regulations , Mobile （ Mobile ） Special equipment , If it is impossible to return to the place of registration for regular inspection ,（）.（  A  ）

A、 Can be in different places （ Refers to the place where the registration is not used ） Conduct regular inspection

B、 Do not conduct regular inspection in other places

C、 The inspection institution of the place of registration must be invited to the place of registration for regular inspection

D、 You can apply for regular inspection after returning to the place of use registration

9、【 Single topic selection 】《 Special equipment safety law 》 Regulations , The user of special equipment shall, before or after the special equipment is put into use （） Inside , Handle the use registration with the Department responsible for the safety supervision and management of special equipment , Obtain the use registration certificate .（  A  ）

A、 Thirty days

B、 Fifty days

C、 Ten days

10、【 Single topic selection 】《 Supervision Regulation on safety technology of mobile pressure vessels 》 Regulations ： Fill with flammable 、 Mobile pressure vessels for explosive media before leaving the factory , Nitrogen filling replacement treatment requires that the gas in the tank contains （） The quantity shall not be greater than 3%.（  B  ）

A、 air

B、 oxygen

C、 Filling medium

11、【 Single topic selection 】 Used in steel structure 235 Steel products , Belong to （　　）.（  B  ）

A、 Ordinary carbon steel

B、 Low alloy steel

C、 Medium alloy steel

D、 High alloy steel

12、【 Single topic selection 】 The nominal diameter of the thread refers to （　　）.（  C  ）

A、 Thread diameter

B、 Pitch diameter of thread

C、 Major diameter of thread

D、 Thread bottom diameter

13、【 Single topic selection 】 The operation qualification certificate of special operation personnel needs to be extended after the expiration of its validity , The holder of the certificate shall expire on （） Apply to the original city and county assessment and acceptance Authority three months ago , City and county construction （ Build ） After the preliminary examination of the competent department , Expires on 1 Apply to the provincial competent department of construction for handling the relevant procedures of delayed review three months ago .（  C  ）

A、1

B、2

C、3

D、4

14、【 Single topic selection 】 according to 《 Interim Measures for the administration of highway production risk 》, The level of safety production risk in the highway industry is （） level .（  C  ）

A、2

B、3

C、4

D、5

15、【 Single topic selection 】《 Supervision Regulation on safety technology of mobile pressure vessels 》 Regulations ： The safety valve should （） The gas phase space installed above the liquid level of the pressure vessel , Or installed on the pipeline connected with the gas phase space of the pressure vessel .（  D  ）

A、 level

B、 The longitudinal

C、 The transverse

D、 Vertical

16、【 Single topic selection 】 The free residual chlorine in the influent of cellulose acetate membrane reverse osmosis equipment shall be controlled within （） Within the scope of （  C  ）

A、0.05~0.1mg/L

B、0.1-0.2mg/L

C、0.2~1.0mg/L

D、0.5-1.5mg/L

17、【 Single topic selection 】《 Supervision Regulation on safety technology of mobile pressure vessels 》 Regulations ： The degree of toxicity is extremely hazardous medium , Maximum allowable concentration （）.（  A  ）

A、 Less than 0.1mg/m3

B、 Greater than or equal to 0.1mg/m3 And less than 1.0mg/m3

C、 Greater than or equal to 1.0mg/m3 And less than 10.0mg/m3

D、 Greater than or equal to 10.0mg/m3

18、【 Single topic selection 】 Engaged in woodworking and construction engineering 、 New construction of equipment installation works and decoration works of pipeline 、 The expansion of the 、 Enterprises engaged in reconstruction, demolition and other related activities , Not obtained （） Of , Do not engage in construction activities .（  A  ）

A、 Safety production license

B、 Special equipment production license

C、 Safe use license

D、 License for use of special equipment

19、【 Single topic selection 】 The following statement about the measures taken by the public security organ to restrict the passage of vehicles transporting dangerous goods is wrong （）.（  D  ）

A、 Measures taken by the public security organ to restrict the passage of vehicles transporting dangerous goods , It should be announced to the public in advance

B、 The public security organ shall determine a reasonable detour route in conjunction with the competent department of transportation , Set obvious detour prompt signs .

C、 In bad weather 、 Major events 、 Important holidays 、 The traffic accident 、 Emergencies, etc , The public security organ may temporarily restrict the passage of vehicles transporting dangerous goods , And do a good job of informing and prompting .

D、 Dangerous goods transport vehicles are not allowed to enter the expressway service area for parking

20、【 Single topic selection 】《 Supervision Regulation on safety technology of mobile pressure vessels 》 Regulations ： The nominal working pressure of gas cylinders for mobile pressure vessels shall be （）.（  B  ）

A、 Greater than or equal to 0.1MPa

B、 Greater than or equal to 0.2MPa

C、 Less than or equal to 0.1MPa

21、【 Single topic selection 】《 Supervision Regulation on safety technology of mobile pressure vessels 》 Regulations ： The nominal pressure of the loading and unloading hose for loading and unloading compressed gas shall not be less than... Of the working pressure of the loading and unloading system () times .（  B  ）

A、1.5

B、1.3

22、【 Multiple choice 】 For tower crane cab , The following statements are correct （）.（  ABCDE  ）

A、 There shall be insulated floor

B、 There shall be fire extinguishers that meet the fire protection requirements

C、 Doors and windows shall be in good condition

D、 Lifting characteristic curve （ surface ）

E、 The safety operation instruction board shall be fixed firmly , Clearly visible

23、【 Single topic selection 】 The enterprise shall start from the date of industrial accident or the date of diagnosis of occupational disease ,（） Submit a work-related injury report to the local labor administrative department .（  A  ）

A、15 Japan

B、20 Japan

C、30 Japan

D、40 Japan

24、【 Single topic selection 】 There are major differences between the administrative organ and the parties on the determination of illegal facts , Where the party concerned requests a hearing or the administrative organ deems it necessary to hold a hearing , The administrative organ shall organize a hearing , Get into （）.（  C  ）

A、 Protocol procedure

B、 General procedure

C、 Hearing procedure

D、 Special procedures

25、【 Multiple choice 】 Hanging operation during reinforcement binding , Unsafe behavior is .（）（  ACD  ）

A、 Stand on the reinforcement framework and bind

B、 Bind on the erection console

C、 Climbing scaffolding

D、 Climb the template

26、【 Single topic selection 】 Before operators enter a new post or new construction site , And the adoption of new technologies 、 New technology 、 New equipment 、 New materials , Should accept （）, Personnel who have not received education and training or fail to pass the examination of education and training , Do not work .（  D  ）

A、 Safety knowledge and technology training

B、 Safety production technology training

C、 Safety knowledge education and training

D、 Safety production education and training

27、【 Single topic selection 】 Operators have the right to put forward improvement suggestions on operation procedures and operation conditions affecting personal health , Have the right to obtain... Required for safe production （）（  C  ）

A、 Safety knowledge

B、 Protection equipment

C、 Protective equipment

D、 Accident insurance

28、【 Multiple choice 】 The components of the general template are ____.（  ABC  ）

A、 Formwork surface

B、 Supporting structure

C、 Connecting accessories

D、 Reinforce the structure

E、 Bolt

29、【 Single topic selection 】 Drum 、 Header 、 Water wall 、 Steel frame 、 Furnace wall and other components are under design 、 During installation and inspection , Must consider （） problem .（  A  ）

A、 thermal expansion

B、 Cold expansion

30、【 Single topic selection 】 The temperature of contact with cold water is equal to or lower than （　　）℃ The operation is prone to falling from height .（  C  ）

A、-1

B、-10

C、12

D、14

31、【 Single topic selection 】 Occupational disease refers to （）.（  B  ）

A、 Diseases suffered by workers at work

B、 The workers of the employing unit in their professional activities , Due to exposure to dust 、 Radioactive substances and other toxic substances 、 Diseases caused by harmful substances and other factors

C、 Including cervical spondylosis caused by long-term office work

D、 Infectious diseases caused by workers' labor in the process of labor

32、【 Single topic selection 】 Rated leakage action current of leakage protector in general distribution box Ⅰ And rated leakage action time T The selection requirements are （）.（  D  ）

A、Ⅰ＞30mA,T=0.1S

B、Ⅰ=30mA,T＞0.1

C、Ⅰ＞30mA,T＞0.1S

D、Ⅰ＞30mA,T＞0.1S, And Ⅰ·T≯30mA·S

33、【 Single topic selection 】 Technical appraisal is required in the accident investigation , Time required for technical qualification ____ Time limit for accident investigation .（  B  ）

A、 Include all in

B、 Not included in

C、 Count in half

D、 Count in twice

34、【 Single topic selection 】 The wire rope has · Security Production mould I plan to pass the exam at one point · following （） features .（  C  ）

A、 Low strength

B、 It 's important

C、 It's elastic

D、 Unable to withstand live loads

35、【 Single topic selection 】 Before the construction of demolition works , The construction personnel must be （） Safety technical disclosure .（  A  ）

A、 A written

B、 oral

C、 Telephone

D、 Fine

36、【 Multiple choice 】 The contents of field test and inspection of soil anchor include ：____.（  ABCDE  ）

A、 Determine the load borne by foundation pit support and anchor bolt layout

B、 Calculation of bolt bearing capacity

C、 Stability calculation of rod

D、 Determine the length of the anchor

E、 Diameter and tie rod diameter

37、【 Single topic selection 】 The third principle of no harm is not to hurt yourself 、 Don't hurt others 、（）.（  A  ）

A、 Not hurt by others

B、 Don't hurt the masses

C、 Don't hurt the leader

D、 Not hurt by pets

38、【 Multiple choice 】 The items that should be checked regularly during the use of fastener type steel pipe support are （）.（  ABCD  ）

A、 Foundation ponding , The base is loose , The pole is suspended

B、 Fastener bolts are loose

C、 Settlement and vertical deviation of vertical pole

D、 Whether the safety protection is intact

E、 Whether the column is covered with concrete

39、【 Judgment questions 】《 Assessment rules for special equipment operators 》 Regulations ： The storage period of on-site image data of the examination shall not be less than 1 year , The retention period of other archives shall not be less than 3 year .（  ×  ）

40、【 Judgment questions 】 The wear and corrosion degree of the steel wire on the surface of the steel wire rope reaches... Of the diameter 20% The above shall be scrapped .（  ×  ）

41、【 Judgment questions 】《 Management rules for the use of special equipment 》 Regulations , The unit using special equipment shall be equipped with a person in charge of safety management . The person in charge of safety management of special equipment refers to the person in charge of the safety management of special equipment in the top management of the user .（  √  ）

42、【 Judgment questions 】《 Management rules for the use of special equipment 》 Regulations , The safety supervision department of special equipment shall, in accordance with its statutory responsibilities , Register the use of special equipment in accordance with the requirements of this rule , This rule and other special equipment safety technical specifications specify that special equipment does not need to go through use registration .（  √  ）

43、【 Judgment questions 】《 Special equipment safety law 》 Regulations ： Production of special equipment 、 business 、 The use unit produces 、 business 、 The special equipment used shall be self tested and maintained , Special equipment subject to inspection according to national regulations , Accept the inspection after receiving the inspection notice from the inspection organization .（  ×  ）

44、【 Judgment questions 】《 Special equipment safety law 》 Regulations ： The Department responsible for the safety supervision and administration of special equipment shall strengthen the safety publicity and education of special equipment , Popularize safety knowledge of special equipment , Enhance the public's safety awareness of special equipment .（  √  ）

45、【 Judgment questions 】《 Regulations on safety supervision of special equipment 》 Regulations ： Special equipment shall be before or after putting into use 30 Intraday , The user of special equipment shall register with the special equipment safety supervision and Administration Department of the municipality directly under the central government or the city divided into districts .（）（  √  ）

46、【 Judgment questions 】 Throttling speed regulating circuit of the quantitative pump with the speed regulating valve 、 No matter how the load changes, it can always ensure that the movement speed of the actuator is stable .（  ×  ）

47、【 Judgment questions 】《 Regulations on safety supervision of special equipment 》 Regulations ： Explosion or leakage of mobile pressure vessel , The characteristics of media shall be distinguished during rescue , Handle in strict accordance with the procedures specified in the relevant plan , Prevent secondary explosion .（  √  ）

48、【 Judgment questions 】 The stress produced by an object under the action of bending force is called bending stress .（  √  ）

49、【 Judgment questions 】《 Licensing rules for special equipment production and filling units 》 Regulations ： A hose can be used to fill the liquid chlorine medium .（  ×  ）

50、【 Judgment questions 】 When large sundries fall into the mixing drum of the mortar mixer , You can reach for it while it is running .（）（  ×  ）

51、【 Judgment questions 】《 Licensing rules for special equipment production and filling units 》 Regulations ： Adopt intelligent automatic filling , The number of filling personnel can be appropriately reduced , But the filling personnel shall at least 2 people .（  ×  ）

52、【 Judgment questions 】《 Supervision Regulation on safety technology of mobile pressure vessels 》 Unless otherwise indicated, the pressure indicated is gauge pressure .（  √  ）

53、【 Judgment questions 】《 Supervision Regulation on safety technology of mobile pressure vessels 》 Regulations ： The number of the media 、 Name and classification （ Including items ） according to GB6944《 Classification of dangerous goods and product name and number 》 and GB12268《 List of dangerous goods 》 The provisions of the .（  √  ）

54、【 Judgment questions 】 For the brake of the winch , When the brake pad friction pad is worn to the original thickness 50% when , Or the surface of the brake wheel is worn for 5~2mm when , It should be replaced in time .（）（  √  ）

55、【 Judgment questions 】 Press 《 Regulations on safety supervision of special equipment 》 Accidents can be divided into particularly serious accidents 、 Major accident 、 Major accident 、 General accidents .（）（  √  ）

56、【 Judgment questions 】 In case of emergency , The relevant personnel at the scene of the accident may directly report to the work safety supervision and Administration Department of the people's government at or above the county level where the accident occurred and to the work safety supervision and administration department , Safety student production model I plan to pass the exam at one point , Responsible department reports .（  √  ）

57、【 Judgment questions 】《 Supervision Regulation on safety technology of mobile pressure vessels 》 Regulations ： Inspection and testing personnel engaged in regular inspection of mobile pressure vessels , Corresponding certificates of special equipment inspection and testing personnel shall be obtained .（  √  ）

58、【 Judgment questions 】 Temporary power supply at the construction site , It is strictly forbidden to use the knife switch directly to start （ stop it ）4kW The above electric equipment , It is strictly forbidden to directly hang the load line on the knife switch or fuse .（  √  ）

59、【 Judgment questions 】 Rubber skin is a conductor .（  ×  ）

60、【 Judgment questions 】 Precautions for the use of distribution box and switch box ： The operation procedure during power transmission shall be ： Switch box → Distribution box → General distribution box .（  ×  ）

61、【 Judgment questions 】 stay 36 Drunk driving within months 、 Overstaffed 20% above 、 Speeding 50%（ Highway speeding 20%） Drivers with the above illegal records , It is not allowed to employ as a road passenger transport driver .（  √  ）

62、【 Judgment questions 】 The construction unit may set up collective dormitories for employees in buildings that have not been completed .（  ×  ）

63、【 Judgment questions 】《 Supervision Regulation on safety technology of mobile pressure vessels 》 Regulations ： The user shall be equipped with professional knowledge of mobile pressure vessels 、 Engineering technicians who are familiar with relevant national safety technical specifications and their corresponding standards as safety management personnel , The safety management personnel shall obtain the corresponding special equipment operator certificate in accordance with the provisions , Be responsible for the safety management of mobile pressure vessels .（  √  ）

64、【 Judgment questions 】 The scaffold 、 Defects of ladder and movable ladder frame ; Temperature of the operation site 、 humidity 、 The air pressure is uncomfortable ; The foundation subsidence of the operation site is an unsafe factor of the material .（  ×  ）

65、【 Judgment questions 】 In case of power failure during the operation of the motor , The power supply should be cut off immediately , Place the start switch in the stop position .（）（  √  ）

66、【 Judgment questions 】《 Supervision Regulation on safety technology of mobile pressure vessels 》、 Safety production mold Proposed examination Give it a try Diantong 、 Regulations ： The filling unit is the main body responsible for ensuring the safe operation of mobile pressure vessels , Be responsible for the safe use of mobile pressure vessels , Relevant national laws and regulations shall be strictly implemented , In accordance with the regulations and relevant safety technical specifications for the use and management of pressure vessels , Ensure the safe use of mobile pressure vessels .（  ×  ）

67、【 Judgment questions 】《 Supervision Regulation on safety technology of mobile pressure vessels 》 Regulations ： The filling system shall be equipped with the treatment measures for changing the medium before filling and the facilities for sealing and recovering the medium after filling , And meet the requirements of relevant technical specifications and standards .（）（  ×  ）

68、【 Judgment questions 】《 Supervision Regulation on safety technology of mobile pressure vessels 》 Regulations ： When reliable protective measures are taken , Movable pressure vessels can be provided with glass plates ( tube ) Type liquid level gauge .（）（  ×  ）

69、【 Judgment questions 】《 Supervision Regulation on safety technology of mobile pressure vessels 》 Regulations ： Car tanker 、 The first comprehensive inspection of railway tank cars and tank containers shall be conducted after they are put into operation 1 Carry out in the year .（）（  √  ）

70、【 Judgment questions 】《 Supervision Regulation on safety technology of mobile pressure vessels 》 Regulations ： Glass plate level gauge can be used for automobile tank car .（  ×  ）

71、【 Judgment questions 】 The safety production management organization and safety production management personnel of the production and business operation entity shall perform the duties of organizing or participating in the emergency rescue drill of the entity .（  √  ）

72、【 Judgment questions 】 The cross section of the flat belt is triangular , Standardized .（  ×  ）

73、【 Judgment questions 】《 Supervision Regulation on safety technology of mobile pressure vessels 》 Regulations ： Liquefied gas railway tank car , Loading and unloading shall be adopted ; Loading and unloading valves 、 Detection instruments, etc. shall be set centrally , And it is equipped with a protective cover ; The protective cover shall have the function of preventing accidental opening , Operating platform and escalator are set around it .（  √  ）

74、【 Judgment questions 】《 Supervision Regulation on safety technology of mobile pressure vessels 》 Regulations ： Mobile pressure vessels must be put into operation 3 Conduct the first regular inspection within the year .（）（  ×  ）

75、【 Judgment questions 】 Have high blood pressure 、 heart disease 、 anemia 、 epilepsy 、 Severe arthritis 、 Physical disability or drowsiness 、 Personnel who take drugs such as excitement and other personnel who are forbidden to work at heights shall not engage in work at heights .（  √  ）

76、【 Judgment questions 】 Measures to prevent fire caused by overload , According to production procedures and needs , Adopt the method of using first and then controlling , Stagger the power consumption time .（  ×  ）

77、【 Judgment questions 】 Workers adjacent to live equipment , Keep a safe distance from the live parts when working .（  √  ）

78、【 Judgment questions 】 Electrostatic precipitator has high dust removal efficiency , Generally up to 99% above .（）（  √  ）

79、【 Judgment questions 】《 Supervision Regulation on safety technology of mobile pressure vessels 》 Regulations ： The safety valve of mobile pressure vessel shall be installed vertically in the liquid phase space part of the tank , Or installed on the pipeline connected with the liquid phase space of the tank .（  ×  ）

80、【 Judgment questions 】《 Supervision Regulation on safety technology of mobile pressure vessels 》 Regulations ： During loading and unloading operations , It can be filled with the special loading and unloading pipe of the filling unit , You can also use the loading and unloading pipe carried with the vehicle for filling .（）（  ×  ）

81、【 Judgment questions 】《 Supervision Regulation on safety technology of mobile pressure vessels 》 Regulations ： Loading and unloading height ( low ) Pressurized liquefied gas 、 Handling of refrigerated liquefied gases and liquids ’ newest Explain Analysis ’ The nominal pressure of the pipe shall not be less than... Of the working pressure of the loading and unloading system 2 times , The nominal pressure of the loading and unloading pipe for loading and unloading compressed gas shall not be less than... Of the working pressure of the loading and unloading system 1.3 times ; The minimum burst pressure of loading and unloading pipe is greater than 4 Times the nominal pressure ; The manufacturer of loading and unloading pipe shall indicate the design service life of the hose .（  √  ）

82、【 Judgment questions 】 When the filling process is in progress , It must be ensured that the hose runs smoothly , Dead bends and distortions are strictly prohibited .（  √  ）

83、【 Judgment questions 】 Before the implementation of the special safety plan , Full time safety production management personnel shall be responsible for safety technical disclosure to operators .（）（  ×  ）

84、【 Judgment questions 】 stay HG20660 in , Ammonia is classified as a chemical medium with moderate toxicity .（  √  ）

85、【 Judgment questions 】 In the winter , Prevent the liquid level gauge from freezing and blocking and false liquid level .（）（  √  ）

86、【 Judgment questions 】 Cardiopulmonary resuscitation includes opening the airway 、 Mouth to mouth artificial respiration and artificial circulation .（  ×  ）

87、【 Judgment questions 】 The construction site shall establish a publicity and tracking rectification system for major hazard sources ” Safety student Production model To be tested A little ”.（  √  ）

88、【 Judgment questions 】 Safety valve belongs to overpressure relief safety accessories .（）（  √  ）

89、【 Judgment questions 】 Cranes and 10kv The horizontal safety distance of overhead transmission line is 3m.（  ×  ）

90、【 Judgment questions 】 Ammonia is toxic , The concentration of ammonia in the air reaches 0.5～0.6% when , People can be poisoned . Skin contact can also cause chemical burns .（  √  ）

91、【 Judgment questions 】 Acute benzene poisoning , Cause central nervous system anesthesia , Sober mind , High blood pressure , Even respiratory and circulatory failure and death .（  ×  ）

92、【 Judgment questions 】 It was found that many people vomited after dinner 、 Diarrhea and other abnormal symptoms , Try to let the patient drink a lot of water , Irritate the throat to make it vomit .（  √  ）

93、【 Judgment questions 】 The weight filling measurement method can be adopted for automobile tank cars , Or volumetric filling measurement .（  ×  ）

94、【 Judgment questions 】 The motor is in normal operation , It can suddenly run in the opposite direction .（）（  ×  ）

95、【 Judgment questions 】 Special protective equipment and work clothes shall be equipped with the tanker , Special maintenance tools and necessary spare parts 、 Spare parts, etc .（  √  ）

96、【 Judgment questions 】 The maximum allowable filling capacity of LPG tank car shall be subject to the weighing scale .（  √  ）

97、【 Judgment questions 】 The lower explosion limit refers to the volume percentage of combustible gas or vapor in the air, which has just reached the minimum concentration sufficient to spread the flame in the air ; The upper explosion limit refers to the volume percentage of combustible gas or vapor in the air, which has just reached the maximum concentration sufficient to spread the flame .（  √  ）

98、【 Judgment questions 】 Bursting disc device is a reusable pressure relief device .（）（  ×  ）

99、【 Judgment questions 】 Before filling mobile pressure vessels , The operator shall make a macroscopic inspection of the loading and unloading hoses , In case of damage 、 Deformation and other phenomena , Prohibited operation .（  √  ）

100、【 Judgment questions 】 The greater the allowable concentration of poisons in the air , The more toxic it is .（）（  ×  ）

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