2022 hydrogenation process question bank and simulation test

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

2022 Hydrogenation process examination 100 The title is full truth simulation of hydrogenation process test paper ！2022 The hydrogenation process question bank and simulation test are based on the hydrogenation process test outline . The simulation questions of hydrogenation process test can be passed at any time according to the safety production simulation test to improve the pass rate .

1、【 Single topic selection 】《 Production safety law of the people's Republic of China 》 Regulations , The production and business operation entities shall have （？？） The necessary capital investment , By the decision-making body of the production and operation unit 、 The principal person in charge or the investor of individual operation shall guarantee .（  C  ）

A、 Safety publicity

B、 Safety protection

C、 Safety production conditions

2、【 Single topic selection 】 When the vulcanization catalyst bed rises , should ( ).（  C  ）

A、 Stop sulfur injection

B、 Reduce the inlet temperature

C、 Reduce sulfur Injection

3、【 Single topic selection 】 The reason why the liquid level of overhead reflux tank does not drop but rises during the shutdown of fractionation system , The analysis is incorrect ( ).（  B  ）

A、 The reflux pump is evacuated

B、 Low tower top temperature

C、 High tower kettle temperature

4、【 Single topic selection 】 When switching the centrifugal pump, the standby pump must be started ( ).（  C  ）

A、 Fully open the outlet valve of the standby pump

B、 Immediately close the outlet valve of the running pump

C、 Gradually open the outlet valve of the standby pump , Meanwhile, turn down the outlet valve of the running pump , Until it is completely closed

5、【 Single topic selection 】 Ignition treatment process for seal leakage of naphtha pump in hydrogenation unit , The following statement is not true ( ).（  B  ）

A、 Cut off the material source

B、 Spray the ignition point directly with water

C、 Use steam 、 Ignition point of nitrogen injection

6、【 Single topic selection 】 Under the action of polysulphuric acid , Austenitic stainless steels cause ( ).（  C  ）

A、 Reduced strength

B、 Wall thickness reduction

C、 Rapid cracking

7、【 Single topic selection 】 Toxic to 、 Flammable and explosive media , The discharge port of the safety valve shall be ( ).（  A  ）

A、 Closed line discharge collection

B、 The pipeline discharges to the atmosphere

C、 Discharge directly into the atmosphere

8、【 Single topic selection 】 The measures adopted for personal protection against industrial noise are ( ).（  A  ）

A、 Wear personal protective equipment

B、 Sound insulation device

C、 Silencing device

9、【 Single topic selection 】 When hydrogen leaks in a small range from the flange of the hydrogen system of the unit , The wrong approach is ( ).（  C  ）

A、 Dilute with nitrogen

B、 Report to the team leader

C、 Hydrogen is dangerous , Evacuate the site quickly

10、【 Single topic selection 】 It was found that there was bias flow in the bed of a hydrogenation unit shortly after the catalyst was replaced , During the next maintenance, it is found that there are burned lamp caps and wires at the places where there are ditches , The correct analysis of this phenomenon is ( ).（  A  ）

A、 This is because the loading workers are not very responsible , It has nothing to do with the installation personnel

B、 The unit personnel failed to carry out management and inspection during catalyst loading

C、 The catalyst loading process did not follow the operating regulations , Savage construction

11、【 Single topic selection 】 Production of liquid ammonia in a chemical plant , Due to increased market demand , Expansion is required , In order to obtain the approval of the competent department , The chemical plant needs to expand the project ( ).（  A  ）

A、 Safety pre assessment

B、 Special safety evaluation

C、 Safety status evaluation

12、【 Single topic selection 】 A long... Was set up on the construction site 6m、 wide 0.6m、 high 4.5m A cast-in-place concrete beam formwork , Its support is Φ48 and Φ51 The two types of steel pipes are directly supported on the ground , When pouring concrete , Steel pipe subsidence , The formwork is seriously deformed . Please judge the cause of the accident .
（2） The following accident causes are correct （）.（  C  ）

A、 No construction organization design

B、 Formwork support is not accepted

C、 Erection violates the operating regulations

D、 Steel pipe quality problems

13、【 Single topic selection 】 During the normal operation of a device, it was found that the bottom of the furnace of the heating furnace was on fire , There is still flame flowing at the burner , The device is judged as fuel gas with oil , The cause analysis of gas bearing oil is incorrect ( ).（  C  ）

A、 Incomplete dehydration of gas tank

B、 Poor heat preservation of gas inlet pipeline , Oil and gas condensate at low temperature

C、 The liquid level control of upstream gas supply device is unreasonable

14、【 Single topic selection 】 A tower flooding accident occurred in the operation of a unit , Among the following factors, it is impossible to cause tower flooding ( ).（  C  ）

A、 Excessive feed

B、 Raw materials with water

C、 The tower pressure is too high

15、【 Single topic selection 】 In case of fire in high-rise buildings , People are generally not allowed to take advantage of the space in the building （） Conduct safe evacuation .（  C  ）

A、 Smoke proof staircase

B、 Outdoor stairs

C、 Ordinary elevator

D、 Hanging escape ladder

16、【 Single topic selection 】 The heating rate for controlling heating and drying during oven drying is ( ).（  C  ）

A、 Fast

B、 Long-term

C、 slow

17、【 Single topic selection 】 production 、 Store 、 The place where other articles are operated and the place of residence are set in the same building , It shall conform to the national engineering construction ( ) technical standard .（  C  ）

A、 Security

B、 Environmental protection

C、 fire

18、【 Single topic selection 】 The employer has no occupational disease patients or cannot confirm the labor relationship , The local people's government can apply for medical assistance and life assistance ( ) department .（  C  ）

A、 Local health administration

B、 Labor security administration

C、 The civil affairs

19、【 Single topic selection 】 new 《 Safe production method 》 The purpose of legislation is to strengthen （）, Prevent and reduce production safety accidents , Ensure the safety of people's lives and property , We will promote sustained and sound economic and social development .（  A  ）

A、 Work safety

B、 Safety production supervision and management

C、 The intensity of punishment

D、 Safe production

20、【 Single topic selection 】 During the operation of the centrifugal machine , The correct reason for the high bearing temperature is ().（  C  ）

A、 The speed decreases

B、 Pipeline vibration

C、 Lack of lubricating oil

21、【 Single topic selection 】 Work at height , also called （）（  B  ）

A、 Working at height

B、 Climbing operation

C、 High altitude construction

D、 Climbing construction

22、【 Single topic selection 】 During the road transportation of dangerous goods ,（） Be responsible for the supervision of dangerous goods .（  D  ）

A、 driver

B、 Dynamic monitoring personnel

C、 Safety management personnel

D、 Escort

23、【 Single topic selection 】 A project is due to rush for construction period , The formwork shall be removed in advance . The formwork on the fourth floor of the building was removed , No approval and removal of safety measures , Near the end of disassembly , Suddenly a large concrete floor fell down , take 4 A form remover pressed down , All died after rescue . Please judge the cause of the accident .
（1） According to the regulations, the special construction scheme of formwork shall be prepared by the technical director and the engineer of the construction unit （） Signature before implementation .（  A  ）

A、 chief engineer for construction inspection

B、 Professional supervision engineer

C、 Security Officer

D、 Project leader

24、【 Single topic selection 】 Air breathing apparatus belongs to ( ).（  C  ）

A、 Long tube gas mask

B、 Filter gas mask

C、 Isolated gas mask

25、【 Single topic selection 】 The prevention and control of occupational diseases should adhere to ( ) Mainly .（  C  ）

A、 Treatment

B、 punish

C、 The prevention of

26、【 Single topic selection 】 Erection of bowl buckle steel pipe scaffold , stay （） The pole on the foundation must adopt an adjustable base .（  A  ）

A、 soil

B、 Sand

C、 Gravel

D、 Cement concrete

27、【 Single topic selection 】 Hydrogen sulfide in gas after desulfurization exceeds the standard , The most effective measure is to improve ( ).（  C  ）

A、 Lean solvent temperature

B、 Tower pressure

C、 Lean solution dosage

28、【 Single topic selection 】 In addition to the condensing type, the form of steam turbine generally has ( ).（  C  ）

A、 Centrifugal

B、 Impeller type

C、 Back pressure type

29、【 Single topic selection 】 Which of the following lamps has the highest power factor （　　）.（  B  ）

A、 energy saving light

B、 Incandescent lamp

C、 Fluorescent lamp

D、LED The lamp

30、【 Single topic selection 】 The basic type of warning sign is ( ).（  A  ）

A、 Positive triangular border

B、 Round border

C、 Square border

31、【 Multiple choice 】 The steam boiler pressure gauge shall be （）.（  BC  ）

A、 It is installed at the highest pressure part of the boiler

B、 Directly connected with the steam space of the drum

C、 Installed at a place convenient for observation

D、 Installed at the place convenient for replacement

32、【 Single topic selection 】 The three elements of force do not include （）.（  D  ）

A、 size

B、 Direction

C、 Action point

D、 Action line

33、【 Single topic selection 】（） Be fully responsible for the occupational disease prevention and control of the unit .（  C  ）

A、 The main person in charge of the production and business operation unit

B、 The person in charge of the employer

C、 The main person in charge of the employer

D、 The person in charge of the production and business operation unit

34、【 Single topic selection 】 Work at height when artificial lighting is completely used outdoors is called （）（  D  ）

A、 Night work

B、 Lighting operation

C、 Lighting and working at heights

D、 Work at heights at night

35、【 Single topic selection 】 Before homework （） Inside , Gas sampling and analysis shall be carried out in the confined space , Only after passing the analysis can you enter .（  B  ）

A、60min

B、30min

C、90min

D、120min

36、【 Single topic selection 】《 Regulations on the administration of safe production of construction projects 》 To stipulate the safety production management of construction projects , insist （） The policy of .（  A  ）

A、 Safety first 、 Prevention first

B、 Safety first 、 Prevention first 、 Comprehensive management

C、 Production must be safe 、 Safety promotes production

D、 people oriented 、 Safety first

37、【 Multiple choice 】 The cable route can （） laying .（  BCD  ）

A、 Along the ground

B、 underground

C、 Along the fence

D、 Along a pole or support

E、 Along the scaffold

38、【 Multiple choice 】 Which of the following parts belong to the organic heat carrier boiler body （）.（  AC  ）

A、 platform

B、 Circulating pump

C、 Guard ladder

D、 Oil gas separator

39、【 Single topic selection 】 according to 《 Regulations on the administration of safe production of construction projects 》, stay （） Construction works in , The construction unit shall be responsible for the construction site . Ann Full production simulation test 1 spot through . The site is enclosed .（  B  ）

A、 Cities and towns

B、 Urban areas

C、 urban and rural

D、 rural

40、【 Multiple choice 】 A unit that provides mechanical equipment and accessories for construction projects , Complete and effective equipment shall be provided according to the requirements of safe construction （） And other safety facilities and devices .（  BC  ）

A、 Spare parts

B、 insurance

C、 Limit

D、 Fuel saving device

E、 manufacturing process

41、【 Single topic selection 】 Correct use of safety belt （）.（  A  ）

A、 Hang high and use low

B、 High and low hybrid

C、 Hang low and hang high

D、 It depends on the situation

42、【 Multiple choice 】 Harmful gas impurities in boiler feed water refer to （）.（  AB  ）

A、 Carbon dioxide

B、 oxygen

C、 nitrogen

D、 inert gas

43、【 Judgment questions 】 The loading weight of the new car during the running in period shall not exceed the rated load 80%.（  ×  ）

44、【 Judgment questions 】 When the bending radius of the sling is less than... Of the nominal diameter of the steel wire rope 3 Times , Shackles shall be used to bolt slings to lifting points .（  ×  ）

45、【 Judgment questions 】 Smaller construction sites , The establishment of emergency rescue organization and emergency rescue equipment on the construction site may not be considered .（）（  ×  ）

46、【 Judgment questions 】 Pressure straightening and flame straightening are used for straightening .（）（  √  ）

47、【 Judgment questions 】 The metal shell grounding of all electrical equipment is the protective grounding to avoid personal electric shock .（  √  ）

48、【 Judgment questions 】 The gas in acetylene cylinder shall not be exhausted , Must be kept no less than 98kPa The pressure of .（）（  √  ）

49、【 Judgment questions 】 Acetylene cylinders and oxygen cylinders shall be placed in special cylinders with good ventilation , Do not get close to the fire source or expose to the sun .（  √  ）

50、【 Judgment questions 】 Common items are in the inspection and evaluation items , Items other than guarantee items .（  ×  ）

51、【 Judgment questions 】 After finding the fracture , Must be fixed quickly , To prevent nerves 、 Further damage to blood vessels and surrounding tissues .（  √  ）

52、【 Judgment questions 】 Businesses involved in the use of toxic substances , In addition to the work safety license , The occupational health and safety license shall also be obtained according to law .()（  √  ）

53、【 Judgment questions 】“ Safety first 、 Prevention first 、 Comprehensive management ” Is my " Safety production simulation Pass the exam at one o'clock " The basic policy of safe production in China .（  √  ）

54、【 Judgment questions 】 Ensuring the stable liquid level of high-pressure separator is the fundamental guarantee to prevent high pressure from channeling to low pressure .（  √  ）

55、【 Judgment questions 】 The jack structure is simple , Easy to use , Long journey .（）（  ×  ）

56、【 Judgment questions 】 Hanging cage （ Ladder cage ） It is the component of material elevator to carry people and materials .（）（  ×  ）

57、【 Judgment questions 】 When using tourniquet to stop bleeding , The time of hemostatic site should be every 60min～90min Relax once .（  √  ）

58、【 Judgment questions 】 In case of emergency , 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 in the place where the accident occurred and the relevant department responsible for the work safety supervision and administration .（  √  ）

59、【 Judgment questions 】 The boiler blowdown can not only remove the excess salt in the boiler water 、 Alkalinity and dirt , It can also exclude grease and foam on the surface of boiler water. .（）（  √  ）

60、【 Judgment questions 】 Operators have no right to refuse illegal command and force risky operation .（  ×  ）

61、【 Judgment questions 】 The reason for the corrosion of heating furnace tube may be the poor desulfurization effect of fuel gas , Hydrogen sulfide content increases .（  √  ）

62、【 Judgment questions 】 Before taking part in the safety technology theory assessment , Must first pass the physical examination in the hospital .（  √  ）

63、【 Judgment questions 】 The crane stops working 3 A month or more , The wire rope shall be inspected in advance before reuse .（  √  ）

64、【 Judgment questions 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations , Special equipment without regular inspection or unqualified inspection , To monitor the use of .（  ×  ）

65、【 Judgment questions 】 The pressure of the fuel gas of the heating furnace in the pipe network is stable 、 When the opening of the regulating valve remains unchanged , The pressure rises gradually , The possible reason is that the nozzle is blocked .（  √  ）

66、【 Judgment questions 】 If the glass plate level gauge is found broken, it shall be shut down immediately for treatment .（  ×  ）

67、【 Judgment questions 】 When the tower crane is used for translating and lifting heavy objects , No one is allowed to pass or stay under heavy objects .（  √  ）

68、【 Judgment questions 】 Violation of the provisions of the regulations on the administration of work safety of construction projects , A unit that provides mechanical equipment and accessories for construction projects , Failure to provide complete and effective insurance in accordance with the requirements of safe construction 、 Safety facilities and devices such as limit , Order to make corrections within a time limit , Contract price at 1 More than times 3 A fine of less than times ; What caused the loss , Be liable for compensation according to law .（  √  ）

69、【 Judgment questions 】 Drivers of passenger vehicles shall carry with them 《 Road transportation operation license 》、 Qualification certificate and other relevant certificates ,· Latest solution Analysis · Place passenger transport signs at specified positions .（  ×  ）

70、【 Judgment questions 】 The construction unit shall establish a safe production system on the construction site 、 Environmental protection and other management systems , Publicize on the construction site , An emergency plan shall be formulated , Organize emergency drills regularly .（  √  ）

71、【 Judgment questions 】 A mixture of combustible gases or vapors and air , If its concentration is below the lower explosion limit or above the upper explosion limit, it will not catch fire or explode .（  √  ）

72、【 Judgment questions 】 Weight represents the amount of matter contained in an object , It is determined by volume and material density .（  ×  ）

73、【 Judgment questions 】 stay “ Flying temperature “ Safety production simulation Examination Try a little “” During accident handling , The faster the cooling rate, the better .（  ×  ）

74、【 Judgment questions 】 When the fire closes the door and you can't escape , Use soaked towels and clothes to block the door seam , Send a distress signal waiting for rescue .（  √  ）

75、【 Judgment questions 】 Safety acceptance evaluation shall be conducted immediately after the construction project is put into use .（  ×  ）

76、【 Judgment questions 】 Construction project occupational health “ Three at the same time ” Work can be done with safety facilities “ Three at the same time ” Work together .（  √  ）

77、【 Judgment questions 】 From the second floor of the structure , Safety protection sheds should be set up at the entrances and exits of personnel as appropriate , It's higher than 24m Safety protection shed must be set up when .（）（  ×  ）

78、【 Judgment questions 】 The reciprocating compressor can be shut down directly without unloading the load during emergency switching .（  ×  ）

79、【 Judgment questions 】 When the new hydrogen compressor operates normally , The standby pump switch of lubricating oil pump shall be set to “ Automatically ” Location .（  √  ）

80、【 Judgment questions 】 The pump is in normal operation , Such as sudden noise , Produce vibration , With outlet pressure 、 A decrease in flow and efficiency indicates that the pump has been evacuated .（  √  ）

81、【 Judgment questions 】 The poison filter tank is big 、 in 、 Small three forms , It is applicable to the volume concentration of toxic gas not greater than 2%、1% and 0.5% The occasion of .（  √  ）

82、【 Judgment questions 】 One of the characteristics of worm gear transmission is its large ratio .（  √  ）

83、【 Judgment questions 】 As long as the diode works in the reverse breakdown region, it will be punctured （  ×  ）

84、【 Judgment questions 】 The unit using special equipment shall formulate a special emergency plan for special equipment accidents , And conduct regular emergency drills .（  √  ）

85、【 Judgment questions 】 The principle of flame correction method is that the metal material is cooled rapidly after heating , Cold shrinkage is greater than thermal expansion .（）（  √  ）

86、【 Judgment questions 】 Danger in a narrow sense refers to the combination of the possibility and severity of specific dangerous events in the system .（  √  ）

87、【 Judgment questions 】 Enterprises producing labor protection articles shall conduct production and self inspection according to the national or industrial standards on which their products are based , Issue product certificate , And be responsible for the safety protection performance of the product .（  √  ）

88、【 Judgment questions 】 During climbing or demolition work , Wrench 、 Tools such as wire pliers must be managed well , Don't fall and hurt people .（  √  ）

89、【 Judgment questions 】 according to 《 Regulations on safety supervision of special equipment 》 Regulations , The elevator 、 Passenger ropeway 、 Large amusement facilities and other special equipment operating and using units that provide services to the public , Special equipment safety management machine shall be set ” Ann Full production simulation exam A little ” Organize or allocate full-time safety management personnel ; Other special equipment users , Special equipment safety management organization or full-time personnel shall be set up according to the situation 、 Part time safety managers .（  √  ）

90、【 Judgment questions 】 The production and business operation entity may replace the labor protection articles equipped according to the regulations with currency or other articles .（  ×  ）

91、【 Judgment questions 】 Production and business operation entities shall register and file major hazard installations , Conduct regular testing 、 assessment 、 monitor , And formulate an emergency plan .()（  √  ）

92、【 Judgment questions 】 A missed the shift handover due to being late , The monitor didn't tell him what to hand over , When I went to the site for inspection, I slipped from the escalator with a broken step , Foot bone injury , The main reason for the accident was that a was late and didn't attend the shift handover .（  ×  ）

93、【 Judgment questions 】 Appliances can be extinguishing with foam extinguishers. .（  ×  ）

94、【 Judgment questions 】 When excavating earth manually , The distance between two people should be kept 1~2m, It shall be excavated layer by layer from top to bottom .（）（  ×  ）

95、【 Judgment questions 】 The operators have no right to know the risk factors existing in the construction site and work post 、 Preventive measures, etc .（  ×  ）

96、【 Judgment questions 】 Manganese smoke from electric welding 、 Manganese dust belongs to the list of highly toxic substances .（  √  ）

97、【 Judgment questions 】 Degreasing workplace , A security warning area should be drawn , And hang “ No fireworks ”“ Toxic hazard ” Wait for the warning sign .（  √  ）

98、【 Judgment questions 】 One of the causes of dew point corrosion is hydrogen sulfide in fuel gas .（  √  ）

99、【 Judgment questions 】 The quality of protective articles must be strictly guaranteed , Safe and reliable 、 But you don't have to be comfortable and convenient .（  ×  ）

100、【 Judgment questions 】 The key to prevent ferrous sulfide from self ignition when the equipment is opened is to keep the system dry .（  ×  ）

Support the examination questions of precision hydrogenation process operation in all regions of the country , Support safety certificate , Special operation certificate , Exercises on the question bank of vocational skill appraisal and other types of work .