Free questions for polymerization process and test papers for polymerization process in 2022

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

Pass the safety production simulation exam at one point ：2022 The free test of polymerization process in is a theoretical test topic for students who are preparing for the polymerization process operation certificate , The polymerization process examination paper updated every month wishes you to successfully pass the polymerization process examination .

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

A、 Silencing device

B、 Sound insulation device

C、 Wear personal protective equipment

2、【 Single topic selection 】 Cleaner production requires enterprises to save raw materials and materials in the production process ().（  C  ）

A、 artificial

B、 Time

C、 energy

3、【 Single topic selection 】 The guarantee of drilling work funds shall be based on the needs of drilling work , Clarify the drilling work funds and ().（  A  ）

A、 Undertaking unit

B、 Follow up funds

C、 Funding plan

4、【 Single topic selection 】 Fire prevention measures shall be taken for pipeline paint construction 、 Antifreeze 、 Rainproof measures , And the suitable ambient temperature is ().（  A  ）

A、5℃-40℃

B、0℃-40℃

C、10℃-40℃

5、【 Single topic selection 】 During pipeline anti-corrosion painting , In order to make the qualified metal surface no longer rust or contaminated with oil , Must be in ()h Apply the first layer of primer inside .（  B  ）

A、1

B、3

C、2

6、【 Single topic selection 】 The pressure in the pressure vessel increases significantly due to heating inside or outside the vessel , And the connecting pipeline between the container and other equipment is equipped with a stop valve , Shall be installed separately ().（  A  ）

A、 Safety relief device

B、 thermometer

C、 Pressure gauge

7、【 Single topic selection 】 In order to reduce the heat loss of outdoor equipment , A layer of metal skin wrapped outside the insulation layer should be ().（  C  ）

A、 Rough surface , Lighter color

B、 Rough surface , It's darker

C、 A smooth surface , Lighter color

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

A、 Positive triangular border

B、 Round border

C、 Square border

9、【 Single topic selection 】 Among the following options, which is directly proportional to the polymerization rate is () concentration .（  C  ）

A、 hydrogen

B、 Activator

C、 catalyst

10、【 Single topic selection 】 In order to ensure the safety of pipeline operation , A maximum pressure specified according to the maximum working temperature of each level of the medium is called () pressure .（  C  ）

A、 nominal

B、 test

C、 Work

11、【 Single topic selection 】 Hydrostatic test pressurization standard : When working under pressure (P) Less than or equal to 0.5MPa( Gauge pressure ) when , The test pressure is ()P.（  B  ）

A、4.0

B、1.5

C、3.0

12、【 Single topic selection 】 Spontaneous combustion refers to () low , It is prone to oxidation reaction in air , Something that releases heat and burns itself .（  B  ）

A、 Flash point

B、 Spontaneous combustion point

C、 Melting point

13、【 Single topic selection 】 Effective service life refers to the time when the minimum index of effective protection function is reached ().（  C  ）

A、 Set a time

B、 limit

C、 Use your time

14、【 Single topic selection 】 The on-site comment is in the emergency drill (), At the drill site , The evaluator or the person in charge of the evaluation team shall be responsible for the problems found in the drill 、 Make oral comments on deficiencies and achievements .（  B  ）

A、 front

B、 After the end

C、 In the process

15、【 Single topic selection 】 Using the oxidation and decomposition of organic matter by microorganisms in water to purify sewage belongs to () purify .（  B  ）

A、 materiel

B、 biological

C、 chemical

16、【 Single topic selection 】 Olefins are unlikely to react () reaction .（  B  ）

A、 oxidation

B、 esterification

C、 polymerization

17、【 Single topic selection 】 rehearse () It is the document for the specific operation and implementation of the work plan of emergency drill , Help the participants fully grasp the drill process and content .（  C  ）

A、 Detailed plan

B、 manual

C、 Script

18、【 Single topic selection 】 In several types of heatstroke , The most dangerous thing is ().（  A  ）

A、 Heat radiation disease

B、 Heat cramps

C、 Heat exhaustion

19、【 Single topic selection 】 It is strictly prohibited in the production area () Vehicle passage .（  A  ）

A、 Battery

B、 fire

C、 On their own

20、【 Single topic selection 】 《 Code for design of combustible and toxic gas detection and alarm in petrochemical industry 》, It is both combustible and toxic gas ().（  B  ）

A、 Combustible gas equipment shall be provided ( explore ) Tester

B、 There is poison gas medical examination ( explore ) Tester

C、 Set up combustible gas and toxic gas physical examination ( explore ) Tester

21、【 Single topic selection 】 The purge discharge pressure of the system is ()MPa.（  B  ）

A、0.1-0.2

B、0.2-0.4

C、0.3-0.5

22、【 Single topic selection 】 In order to ensure the safety of operating equipment , The set pressure of the safety valve shall not be greater than that of the pressure vessel () pressure .（  C  ）

A、 Work

B、 test

C、 Design

23、【 Single topic selection 】 About PD Adjust the , The following statement is correct ().（  B  ）

A、 Proportionality P The bigger the value is. , The stronger the regulation

B、 Integral time Ti The longer the , The weaker the regulation

C、 Differential time T

D、 The longer the , The weaker the regulation

24、【 Single topic selection 】 Impure light oil contains impurities and water , When these particles or accumulated water particles settle down , Due to friction energy ().（  C  ）

A、 electric energy

B、 ion

C、 Static electricity

25、【 Single topic selection 】 The main pollutants in chemical production are “ Three wastes ”, Which of the following hazardous substances does not belong to “ Three wastes ”.（  B  ）

A、 Waste water

B、 Harmful substances

C、 waste gas

26、【 Single topic selection 】 During pressure test of cold exchange equipment , After the pressure rises slowly to the specified pressure , The constant pressure time shall not be less than ()min, Then reduce to the operating pressure for detailed inspection .（  C  ）

A、10

B、30

C、20

27、【 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 .（  B  ）

A、 Security

B、 fire

C、 Environmental protection

28、【 Single topic selection 】 The maintenance of petrochemical plants and equipment can be divided into () Overhaul .（  B  ）

A、 Short time and long time

B、 Planned and unplanned

C、 Equipment and instruments

29、【 Single topic selection 】 It is required to open the valve on the upper part of the equipment for the purpose of introducing cooling medium into the cooling equipment ().（  C  ）

A、 Sewage discharge

B、 Check the pressure

C、 exhaust

30、【 Single topic selection 】 Mainly from the combustion of fossil fuels ( Such as motor vehicle exhaust 、 coal )、 Fine particles such as volatile organic compounds (PM2.5) Its diameter is ().（  C  ）

A、10 Micron or more

B、2.5 Micron or more

C、2.5 Below microns

31、【 Single topic selection 】 The employing unit engaged in the operation of using high toxic substances shall at least () Evaluate the control effect of occupational poisoning hazards .（  C  ）

A、 Two years

B、 year

C、 Half a year

32、【 Single topic selection 】 In the process of combustion , The flame is mainly () Form transfers a lot of heat to the surface liquid , Evaporate the surface liquid , The combustion continues .（  B  ）

A、 Conduction

B、 radiation

C、 convection

33、【 Single topic selection 】 All the energy produced when a substance explodes becomes ().（  B  ）

A、 voice

B、 Heat and shock waves

C、 Mechanical energy

34、【 Single topic selection 】 The principle of chemical foam extinguishing is mainly () effect .（  C  ）

A、 Chemical inhibition

B、 cool

C、 Isolation and suffocation

35、【 Single topic selection 】 Pressure test of pressure pipeline , The test pressure shall be... Of the maximum working pressure ()P.（  B  ）

A、1.15

B、1.5

C、1.25

36、【 Single topic selection 】 The position of the feeding plate shall be selected at ().（  B  ）

A、 Near the top of the tower

B、 The tray concentration is close to the raw material concentration

C、 Middle tower

37、【 Single topic selection 】 After nitrogen replacement is qualified , System () Prevent air 、 Water enters the system .（  B  ）

A、 Oxygenate

B、 Air filling

C、 Pressure relief

38、【 Single topic selection 】 The minimum ignition temperature of dust depends on the dust ()、 The content of volatile matter 、 The oxygen content of the surrounding gas .（  B  ）

A、 concentration

B、 Particle size

C、 humidity

39、【 Single topic selection 】 What belongs to gaseous substances is ().（  C  ）

A、 Hydrochloric acid droplet

B、 smoke

C、 chlorine

40、【 Single topic selection 】 When the valve core of the stop valve falls off , Fluid ().（  A  ）

A、 Cannot pass

B、 Flow rate is constant

C、 Reduced traffic

41、【 Single topic selection 】 The storage period of the canister is () year .（  B  ）

A、 And a half

B、2

C、1

42、【 Single topic selection 】 The main chemical pollutants are ().（  A  ）

A、 The above two kinds of substances

B、 Water pollutants

C、 Air pollutants

43、【 Single topic selection 】 Before steam extraction , The steam trap on the steam line should be confirmed ().（  B  ）

A、 Front shut-off valve opened

B、 Isolated , Front row condensate valve open

C、 Rear shut-off valve opened

44、【 Single topic selection 】 According to the nature of the standard, environmental standards are divided into mandatory standards and () standard .（  B  ）

A、 Suggestive

B、 Recommendatory

C、 Temporary

45、【 Single topic selection 】 The lighting power supply voltage for confined space operation is specified as ()V following .（  A  ）

A、36

B、24

C、220

46、【 Single topic selection 】 The interlock established for the safety of the device is referred to as ().（  A  ）

A、ESD

B、DCS

C、PLC

47、【 Single topic selection 】 The synthetic methods of polymer compounds include chain addition polymerization and () There are two main types of polymerization .（  C  ）

A、 cation

B、 anion

C、 Step by step

48、【 Single topic selection 】 The lower the explosion limit of combustible gas , The larger the explosion limit range , Explosion risk ().（  A  ）

A、 The bigger it is

B、 The smaller it is

C、 unchanged

49、【 Single topic selection 】 Most of the early symptoms of chronic poisoning and most of the sequelae of acute poisoning , All of them are ().（  B  ）

A、 Renal failure

B、 Neurasthenia syndrome

C、 Chronic hepatitis

50、【 Single topic selection 】 Personal protective equipment can only be used as an auxiliary measure , That cannot be considered to control the hazard () methods .（  C  ）

A、 reliable

B、 It works

C、 The main

51、【 Single topic selection 】 () When the substance is in low concentration, it tastes like rotten eggs , As the concentration increases , The smell gradually disappeared , Once a person is poisoned, it will lead to electric shock like death .（  C  ）

A、 carbon monoxide

B、 liquid ammonia

C、 hydrogen sulfide

52、【 Single topic selection 】 Before overhaul of petrochemical plant , The main reason why the pressure of purging medium cannot be too low is ().（  A  ）

A、 It is easy to reverse the purged medium

B、 Long purging time

C、 Air is easily introduced into the system

53、【 Judgment questions 】 The nature of materials at the accident site shall be fully considered for the establishment of accident hazardous areas 、 Material storage 、 Material leakage rate 、 wind direction 、 Influence scope of potential accident and other factors .（  √  ）

54、【 Judgment questions 】 After the dryer breaks , If the feeding port of the dryer is blocked , Stop immediately .（  ×  ）

55、【 Judgment questions 】 《 Measures for management of emergency plan for production safety accidents 》( General Administration No 17 Orders ) since 2009 year 5 month 1 The effective date .（  √  ）

56、【 Judgment questions 】 The occupational health technical service institution shall not transfer or lease the qualification certificate it has obtained .（  √  ）

57、【 Judgment questions 】 Prevent the accumulation of static electricity and eliminate the harm of static electricity , It is simple and feasible to adopt electrostatic grounding , A very effective method .（  √  ）

58、【 Judgment questions 】 When putting out fire with fire fighting equipment , Start fighting from the center of the fire .（  ×  ）

59、【 Judgment questions 】 The fire was put out because of an emergency , Fire fighting sewage can directly enter the rainwater drainage system .（  ×  ）

60、【 Judgment questions 】 The portable fire extinguisher should be set in the fire extinguisher box or hook 、 On bracket .（  √  ）

61、【 Judgment questions 】 A large amount of leakage from the change-over flange usually occurs in the operation stage of the system .（  ×  ）

62、【 Judgment questions 】 According to the relevant regulations , The safety pre evaluation of the construction project shall be undertaken by the design unit of the construction project .（  ×  ）

63、【 Judgment questions 】 In case of fire in the unit , Fire fighting and emergency evacuation plans shall be implemented immediately , Be sure to respond to the alarm , Put out the fire quickly , Evacuate people in time .（  √  ）

64、【 Judgment questions 】 A fire has a beginning 、 Development 、 The process of violent decay and extinction .（  √  ）

65、【 Judgment questions 】 A unit equipped with automatic fire-fighting facilities , The automatic fire-fighting facilities shall be comprehensively inspected and tested from time to time , And issue the test report , Archive and check .（  ×  ）

66、【 Judgment questions 】 Before the comprehensive emergency drill , The drilling organization unit or planner can organize desktop drilling or synthetic rehearsal according to the drilling scheme or script , Be familiar with all links of the drill implementation process .（  √  ）

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

68、【 Judgment questions 】 encounter 6 When there is a strong wind above level , Work at heights in the open air shall not be carried out .（  √  ）

69、【 Judgment questions 】 Because ammonia is easily absorbed by water , Therefore, ammonia running can be diluted with a large amount of water .（  √  ）

70、【 Judgment questions 】 Gas cylinders shall be stored in designated places and hung with warning signs , Oxygen bottle 、 Acetylene cylinders or flammable cylinders shall not be mixed .（  √  ）

71、【 Judgment questions 】 Ammonia 、 The cold water level gauge is out of order , According to the ammonia discharge pressure 、 Operate according to the sound of ammonia discharge and the frosting of ammonia discharge pipe , Stop if necessary .（  √  ）

72、【 Judgment questions 】 The special emergency plan shall formulate clear rescue procedures and specific emergency rescue measures .（  √  ）

73、【 Judgment questions 】 The route of injury of carbon monoxide is respiratory inhalation .（  √  ）

74、【 Judgment questions 】 Special labor protection articles shall be subject to safety sign management .（  √  ）

75、【 Judgment questions 】 Safety signs include prohibition signs 、 Warning Sign 、 Instruction signs and prompt signs, etc .（  √  ）

76、【 Judgment questions 】 Impulse piping 、 Primary Gauge Valves such as pressure gauge need not be closed before purging , Then check whether it is contaminated by dirt .（  ×  ）

77、【 Judgment questions 】 Polymer discontinuity of expansion dryer in production , It is an important factor causing plasticization and ignition of rubber compound .（  √  ）

78、【 Judgment questions 】 The leakage test standard of the device is : There is no bubble at each welding position , No tiny foam is qualified .（  √  ）

79、【 Judgment questions 】 When rooms in the same building are divided into different fire risk categories , The intermediate partition wall shall be a firewall .（  √  ）

80、【 Judgment questions 】 When the safety valve is calibrated and pressure adjusted , The accuracy grade of the pressure gauge used for adjusting and calibrating the device shall not be lower than Ⅰ level .（  √  ）

81、【 Judgment questions 】 The main pollutants in chemical production are “ Three wastes ”,“ Three wastes ” refer to : Waste water 、 waste gas 、 Waste residue .（  √  ）

82、【 Judgment questions 】 protection cover 、 The safety valve is not a safety protection device .（  ×  ）

83、【 Judgment questions 】 For the equipment 、 The purging of process pipeline is generally carried out after the replacement of inert gas .（  ×  ）

84、【 Judgment questions 】 A polymer formed from a monomer becomes a copolymer .（  ×  ）

85、【 Judgment questions 】 Environmental pollution can be divided into air pollution according to environmental factors 、 Water pollution and soil pollution .（  √  ）

86、【 Judgment questions 】 Reduce the sulfur content in the fuel , It can effectively reduce the emission of sulfur dioxide in flue gas .（  √  ）

87、【 Judgment questions 】 Before hot work, the analysis of combustible gas is qualified, and hot work can be carried out .（  ×  ）

88、【 Judgment questions 】 The lower the spontaneous ignition point of combustible substances , The stronger the flammability , The greater the fire risk .（  √  ）

89、【 Judgment questions 】 The unit or individual violates 《 Emergency response law of the people's Republic of China 》, Disobey the decisions issued by the local people's government and its relevant departments 、 Order or fail to cooperate with the measures taken according to law , Constitute a violation of public security administration , The public security organ shall impose punishment according to law .（  √  ）

90、【 Judgment questions 】 《 Fire control law of the people's Republic of China 》 Regulations , The safety management personnel of the unit are the person in charge of fire safety of the unit .（  ×  ）

91、【 Judgment questions 】 Improve the process 、 Strengthen ventilation 、 Closed operation 、 Water operation is an effective method to prevent dust .（  √  ）

92、【 Judgment questions 】 Thermosetting plastics soften and exhibit plasticity when heated , Harden when cooled , Heat again , Then repeat the softening and plastic behavior .（  ×  ）

93、【 Judgment questions 】 Poisons enter the human body mainly through the respiratory tract .（  √  ）

94、【 Judgment questions 】 Garbage is also a resource of great development value .（  √  ）

95、【 Judgment questions 】 Operators shall check tools before operation 、 equipment 、 Whether there are unsafe factors in the site environment , Whether personal protective equipment is worn correctly .（  √  ）

96、【 Judgment questions 】 When handling exceptions in polymerization , It must be based on the change of reaction , Determine the influencing factors , To take accurate and effective measures to adjust .（  √  ）

97、【 Judgment questions 】 hydrogen sulfide 、 When carbon monoxide is on fire , Extinguish the burning gas even if the air source cannot be cut off .（  ×  ）

98、【 Judgment questions 】 Process discharge is the main way to cause pollution in petrochemical industry .（  √  ）

99、【 Judgment questions 】 Filtered respiratory protectors do not provide any protection in anoxic air .（  √  ）

100、【 Judgment questions 】 The wastewater from petroleum processing is organic wastewater .（  √  ）

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