2022 G3 boiler water treatment simulation examination and G3 boiler water treatment simulation examination question bank

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

Pass the safety production simulation exam at one point ：G3 Boiler water treatment simulation examination reference answers and G3 Boiler water treatment examination question analysis is a general question bank for safety production simulation examination G3 Summary of trainees who have passed the boiler water treatment operation certificate , Relatively effective help G3 The students of boiler water treatment simulation examination question bank successfully passed the exam .

1、【 Multiple choice 】《 Safety Law of the people's Republic of China on special equipment 》 The principle that special equipment safety work should adhere to is （）.（  ABCD  ）

A、 Safety first

B、 Prevention first

C、 Energy conservation and environmental protection

D、 Comprehensive management

2、【 Multiple choice 】 When iron is lost 2 One electron , The oxidation number is determined by 0 Rise to +2 when , Which of the following statements is wrong .（）（  BC  ）

A、 Iron is oxidized

B、 Iron is reduced

C、 Iron is an oxidant

D、 Iron is a reducing agent

3、【 Single topic selection 】 To do it “ Safety first ”, It must be （）.（  C  ）

A、 Turn off all high-risk operations ;

B、 The higher the safety factor, the better ;

C、 That's ok “ Safety first ” Principles ;

D、 Set stricter safety standards

4、【 Single topic selection 】 When the reverse osmosis equipment is shut down , The inside of the membrane should be （） rinse .（  D  ）

A、 Protective fluid

B、 Permeate water

C、 Cleaning liquid

D、 Concentrated water

5、【 Single topic selection 】 Reverse osmosis membrane is made of specific polymer materials , Films with semi permeable properties . It can under the action of external pressure , Make some components in the aqueous solution （） through , So as to achieve purification or concentration 、 The purpose of separation （  C  ）

A、 You can't

B、 All

C、 selectivity

D、 According to the order

6、【 Single topic selection 】 The main person in charge of the production and use unit of special equipment , The safety and energy conservation of special equipment of the unit shall be guaranteed （） be responsible for .（  C  ）

A、 The main ;

B、 All ;

C、 comprehensive ;

D、 production

7、【 Single topic selection 】 An aqueous solution of alkali can make （） Color change .（  B  ）

A、 Methyl orange indicator does not change color ;

B、 Methyl orange indicator turns yellow ;

C、 Methyl orange indicator turns red ;

8、【 Single topic selection 】 During boiler overhaul, chemical supervision is to check the thermal system of the boiler in this operation cycle （） Degree of , Analyze the cause , And according to the supervision and test results , Put forward preventive measures and treatment methods for the next operation cycle .（  D  ）

A、 corrosion

B、 Scaling

C、 Salt accumulation

D、 corrosion 、 Scaling and salt deposition

9、【 Single topic selection 】 Set at the tail of the boiler （）, Use the waste heat of flue gas , Heating boiler feed water .（  C  ）

A、 Air preheater

B、 Superheater

C、 Economizer

D、 Induced draft fan

10、【 Single topic selection 】 The oxygen added under neutral water chemical conditions acts as a catalyst in the system （）, Thus reducing the rate of corrosion reaction .（  A  ）

A、． Passivator

B、． Cathodic depolarizer

C、． Anode depolarizer

D、． Corrosion inhibitor

11、【 Single topic selection 】 Between a pair of anion exchange membranes （） Exchange resin , Formed a EDI unit （  C  ）

A、 cation

B、 anion

C、 Mixed ions of yin and Yang

D、 Cation layer and anion layer

12、【 Single topic selection 】 The factors causing causticity embrittlement in boiler water quality are （）.（  B  ）

A、． Chlorine is too high

B、． The relative alkalinity is too high

C、． The salt content is too high

13、【 Single topic selection 】 The resin layer of the ion exchanger in operation is divided into three areas , The last area the water flows through is （）.（  C  ）

A、 Failure layer

B、 Working layer

C、 Protective layer

14、【 Single topic selection 】 Concentrated nitric acid and () Interaction , Can cause combustion .（  B  ）

A、 Hydrogen peroxide ;

B、 organic compound ;

C、 Potassium nitrate ;

D、 Sulfuric acid

15、【 Single topic selection 】《 Regulations on safety supervision of special equipment 》 Specified in the , Special equipment includes its accessories （）、 Safety protection devices and facilities related to safety protection devices .（  B  ）

A、 Steam and water pipes

B、 Safety accessories

C、 Auxiliary equipment

16、【 Single topic selection 】 In order to obtain good steam quality , The boiler operation index can only pass （） To make sure .（  C  ）

A、． Boiler structure and water quality are calculated

B、． Boiler operating conditions and experience summary

C、． Thermochemical test

17、【 Single topic selection 】 To prevent resin contamination , The turbidity content of raw water entering the sodium ion exchanger is required （）.（  C  ）

A、≤20FTU;

B、≤10FTU;

C、≤5FTU;

D、≤3FTU

18、【 Single topic selection 】 The water discharged from the hemp water film dust collector is （）.（  C  ）

A、 alkalinity

B、 Neutral

C、 Acidic

D、 Alkaline or neutral

19、【 Single topic selection 】 From the selective order of ion exchange resin , Weak acid cation exchange resin is the most easily adsorbed （）, Therefore, it is easy to regenerate with acid .（  D  ）

A、．Na+

B、．Fe3+

C、．Ca2+

D、．H+

20、【 Single topic selection 】 In order to prevent water supply system and （） When oxygen corrosion occurs , At the same time, in order to test the deaeration effect of deaerator , Therefore, the dissolved oxygen in feed water should be strictly monitored .（  A  ）

A、 Economizer

B、 Water wall

C、 The drum

D、 Downcomer

21、【 Single topic selection 】 Highly corrosive 、 Strong base , It can effectively remove carbonate hardness and magnesium hardness in water , The water treatment agent that can prevent some scaling substances from forming scale on the metal surface is （）.（  B  ）

A、 Sodium carbonate ;

B、 Sodium hydroxide ;

C、 Trisodium phosphate ;

D、 Tannin extract

22、【 Single topic selection 】 Because there is... In the solution （） The existence of , And make the balance move , It's called the same ion effect .（  C  ）

A、． Strong electrolyte

B、． Weak electrolyte

C、． Same ion

23、【 Single topic selection 】 Counter current regenerative ion exchanger , The function of small backwash is （）.（  D  ）

A、 Fully expand the whole resin layer ;

B、 Loosen the entire resin layer ;

C、 Wash away the dirt in the whole resin layer ;

D、 Wash away the dirt trapped in the grease layer

24、【 Single topic selection 】 Supervise water supply （） As the basis for evaluating the corrosion of thermal system .（  C  ）

A、 iron

B、 copper

C、 Copper and iron

D、 Dissolved oxygen (do)

25、【 Single topic selection 】 use PNa When determining sodium ion in water sample by electrode method , need （） To adjust PH value .（  C  ）

A、 Sodium hydroxide

B、 ammonia

C、 Diisopropylamine

D、 Sodium carbonate

26、【 Single topic selection 】 During desalting treatment , If the alkalinity of the effluent from the anion bed increases , Probably （） It doesn't work .（  B  ）

A、． Shade bed

B、． Sun bed

C、． Both yin and Yang beds

D、． Acid regenerant

27、【 Single topic selection 】 Rated working pressure 5.9~12.6MPr Drum boiler , The hardness content of condensate shall be （）.（  A  ）

A、≤1.0μmol/L

B、≤2.0μmol/L

C、≤3.0μmol/L

D、≤5.0μmol/L

28、【 Single topic selection 】 Cook the newly installed boiler 、 The boiler that has been out of service for a long time shall be subject to chemical cleaning before operation , Its purpose is to create a boiler heating surface （）, Hinder the formation of scale crystallization germination .（  B  ）

A、 Oil free conditions

B、 Cleaning conditions

C、 Ionization conditions

D、 Electric double layer condition

29、【 Single topic selection 】 Rated working pressure 3.8~5.8MPa Drum boiler , The silica content of steam shall be （）.（  D  ）

A、≤5μg/kg

B、≤10μg/kg

C、≤15μg/kg

D、≤20μg/kg

30、【 Single topic selection 】 In photometric determination , The function of using the reference solution is （）.（  C  ）

A、． Adjust the zero point of the instrument

B、． Adjust the wavelength of the incident light

C、． Eliminate the influence of non measuring substances such as solvents and reagents on the absorption of incident light

D、． Adjust the intensity of the incident light

31、【 Single topic selection 】 Rated working pressure 3.8~5.8MPa Drum boiler , The hardness content of condensate shall be （）.（  B  ）

A、≤1.0μmol/L

B、≤2.0μmol/L

C、≤3.0μmol/L

D、≤5.0μmol/L

32、【 Single topic selection 】 When passivating the boiler , If the passivation dose is insufficient , Cannot form a complete and dense passivation layer , be （）.（  C  ）

A、 Better inhibition of corrosion ;

B、 It will not affect corrosion ;

C、 Will increase corrosion ;

D、 May cause scaling

33、【 Single topic selection 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations , Special equipment operators find that （） Or other unsafe factors , It shall immediately report to the safety management personnel of special equipment and the relevant person in charge of the unit .（  C  ）

A、 Abnormal situation

B、 Equipment failure

C、 Potential accident

34、【 Single topic selection 】 Rated working pressure 12.7~15.6MPa Drum boiler （ Single stage evaporation ）, The content of phosphate in boiler water should be controlled within （）.（  B  ）

A、0.5~3mg/L

B、2~8mg/L

C、2~10mg/L

D、5~15mg/L

35、【 Single topic selection 】 Hydrofluoric acid is particularly effective in cleaning iron oxide scale , It is commonly used for cleaning （） Can't clean .（  A  ）

A、． Low concentration open circuit

B、． Low concentration isocycle

C、． High concentration open circuit

D、． High concentration circulation

36、【 Single topic selection 】 The filter shall be in accordance with （） To determine whether backwashing is required .（  D  ）

A、 Salt content of effluent ;

B、 The elapsed time ;

C、 Effluent turbidity ;

D、 The pressure drop of water flow through the filter

37、【 Single topic selection 】 Primary chemical desalting system , The effluent index that should be controlled is （）.（  A  ）

A、 Sodium ions 、 silicon dioxide 、 conductivity ;

B、 hardness 、PH value 、 Chloride ;

C、 hardness 、 Chloride 、 Alkalinity ;

D、 Alkalinity 、 hardness 、 conductivity

38、【 Single topic selection 】 In the primary desalination system , If you find water from the anion bed PH The value suddenly decreases , The silicon content increases , The conductivity first drops and then rises sharply , explain （）.（  B  ）

A、 Yin 、 All cation beds have failed

B、 Anion bed failure 、 The cation bed does not fail

C、 Yin 、 The cation bed has not failed

D、 Cation bed failure 、 The anion bed does not fail

39、【 Single topic selection 】 The chemical condition of oxidizing water is that the water quality is very pure and （） Add an appropriate amount of oxygen to the water under certain conditions , Make the surface of the equipment form a protective film .（  B  ）

A、． alkalinity

B、． Neutral or weakly alkaline

C、． Acidic

D、． Neutral or weakly acidic

40、【 Single topic selection 】 The main reason for silicon pollution of saturated steam of subcritical boiler is （）.（  A  ）

A、 Dissolve and carry

B、 Mechanical carrying

C、 Mechanical carrying is greater than dissolution carrying

D、 The sum of dissolution carrying and mechanical carrying

41、【 Single topic selection 】 When the product of the relevant ion concentration is equal to its solubility product , Saturated solution , And in equilibrium ,（）.（  B  ）

A、 There is precipitation

B、 No precipitation

C、 Precipitate continuously

D、 Precipitate first and then dissolve

42、【 Single topic selection 】 When the boiler is shut down, maintenance measures must be taken to prevent corrosion , Otherwise it would be （） service life .（  B  ）

A、． extend

B、． To shorten the

C、． unchanged

43、【 Single topic selection 】 The harm of insufficient water cushion of floating bed is （）.（  B  ）

A、 Insufficient resin height will affect the effluent quality ;

B、 The resin is crushed by extrusion ;

C、 Resin failure and excessive volume shrinkage ;

D、 When the bed is formed or dropped, the layer is disordered

44、【 Single topic selection 】 The following accidents are handled incorrectly （）.（  A  ）

A、 Put out the alcohol lamp with water when it is on fire

B、 Phenol on the skin , Wash immediately with alcohol

C、 Concentrated sulfuric acid on the skin , Quickly wipe away with a cloth , And rinse with water , Apply 3．5% Sodium bicarbonate solution

45、【 Single topic selection 】 When there are bubbles in the burette before titration , There are no bubbles after titration , The titration value is higher than the real value （）.（  C  ）

A、． Partial

B、． equal

C、． Larger

46、【 Single topic selection 】 When the sedimentation treatment equipment is running , The tank without sludge suspension layer is called （）（  A  ）

A、 Sedimentation tank

B、 Clarifier

C、 Inclined tube sedimentation tank

D、 Inclined plate sedimentation tank

47、【 Single topic selection 】 In order to prevent the boiler from forming calcium scale , The of boiler water shall be supervised （） Equal index （  A  ）

A、 Phosphate

B、 Chloride ion

C、 Salt content and silicon content

D、NA And PO4 Morby

48、【 Single topic selection 】 The main reason for silicon pollution of saturated steam of ultra-high pressure boiler is （）.（  A  ）

A、 Dissolve and carry

B、 Mechanical carrying

C、 Mechanical carrying is greater than dissolution carrying

D、 The sum of dissolution carrying and mechanical carrying

49、【 Single topic selection 】 When determining active silicon in water , Join in 1-2.4 The purpose of acid is （）.（  C  ）

A、． Eliminate phosphate interference

B、． Adjust the water sample PH value

C、． Change silicon molybdenum yellow to silicon molybdenum blue

D、． Prevent precipitation

50、【 Single topic selection 】 When measuring the hardness of water sample , For elimination Fe3+ Interference of , Often join （）.（  A  ）

A、 Triethanolamine

B、 Citric acid

C、 Tartaric acid

51、【 Single topic selection 】 When using ether , I have a headache 、 dizzy 、 During anesthesia , Leave the test site immediately , To （） rest .（  B  ）

A、 home

B、 Fresh air

C、 Outside the house

D、 An air-conditioned room

52、【 Single topic selection 】 With the increase of temperature and pressure , The density of steam （）, The density of water （）.（  B  ）

A、 increase

B、 Reduce

C、 unchanged

D、 identical

53、【 Single topic selection 】 Which of the following methods is not an indication of corrosion rate （）（  C  ）

A、 Corrosion depth ;

B、 Corrosion quality ;

C、 Thickness of protective film ;

D、 Corrosion current

54、【 Single topic selection 】 acid 、 alkali 、 What do the three kinds of salt have in common （）.（  A  ）

A、 It's all electrolytes ;

B、 All contain oxygen ;

C、 All contain carbon ;

D、 All contain acid radical

55、【 Single topic selection 】 In the following pot dosing treatment agents , Can improve the pot water PH It's worth it （）.（  B  ）

A、 sodium chloride ;

B、 Sodium hydroxide ;

C、 Phosphate ;

D、 Tannin extract

56、【 Single topic selection 】 Boiler water treatment personnel must be trained 、 Pass the examination , obtain （） Before engaging in water treatment .（  B  ）

A、 Water treatment certificate ;

B、 Special equipment operator certificate ;

C、 Water quality analysis certificate ;

D、 Safety operation certificate

57、【 Single topic selection 】 according to 《 Boiler water （ Medium ） Quality treatment supervision and management rules 》, It is judged that the following statement about commissioning after the installation of water treatment system outside the boiler is incorrect （）.（  C  ）

A、． Determine reasonable operating parameters or effective dosing methods and quantities

B、． The commissioning report shall be issued by the unit responsible for commissioning

C、． The commissioning report shall be provided to the inspection organization and stored in the boiler technical archives

58、【 Single topic selection 】 Quartz sand filters shall be in accordance with （） To determine whether backwashing is required .（  D  ）

A、 The elapsed time

B、 Effluent turbidity

C、 Salt content of effluent

D、 The pressure drop of water flow through the filter

59、【 Single topic selection 】 Flow rate during exchanger replacement 、 Flow direction and flow rate during regeneration 、 flow （）（  A  ）

A、 All the same

B、 Completely different

C、 On the contrary

D、 The flow rate is the same , The flow direction is opposite

60、【 Judgment questions 】 Install blowdown flash tank , Recyclable sewage heat , Reduce blowdown heat loss .（  √  ）

61、【 Judgment questions 】 According to the structural form of thermal deaerator, it is divided into ： Shower tray 、 Spray packing type 、 Membrane type, etc .（  √  ）

62、【 Judgment questions 】 The reason of steam pollution is that steam carries water and steam dissolves impurities .（  √  ）

63、【 Judgment questions 】 Because the cupboard is not enough , Strong oxidizing reagents can be put together with organic solvents .（  ×  ）

64、【 Judgment questions 】 The purpose of adding ammonia to feed water is to remove dissolved oxygen in water .（  ×  ）

65、【 Judgment questions 】 The water from the clarifier in operation is muddy , It is caused by drastic changes in raw water flow and temperature .（  ×  ）

66、【 Judgment questions 】 When hydrazine is used for feed water treatment , The dose should be kept stable . Steam containing hydrazine is not suitable for domestic use .（  √  ）

67、【 Judgment questions 】 The stoker gives any illegal command that is harmful to the safe operation of the boiler , Have the right to refuse to implement and report to the local safety supervision organization .（  √  ）

68、【 Judgment questions 】 steam 、 Water sampling location , There should be good lighting . Gloves should be worn when sampling .（  √  ）

69、【 Judgment questions 】 Because of the condensation water 100% Handle , Therefore, leakage operation of condenser is allowed .（  ×  ）

70、【 Judgment questions 】 In order to maintain the heat transfer effect of boiler heating surface , The accumulated dust on the pipe wall shall be removed regularly .（  √  ）

71、【 Judgment questions 】《 Regulations on safety supervision of special equipment 》 Specified in the , Inspection score of special equipment ： Supervision and inspection 、 There are three forms of inspection and hydrostatic test .（  ×  ）

72、【 Judgment questions 】 Boiler operators and their relevant management personnel shall pass the examination , obtain 《 Special equipment operator certificate 》, Before engaging in corresponding operation or management .（  √  ）

73、【 Judgment questions 】 When the pH meter is used for a long time , Always locate with standard buffer solution , In order to ensure the accuracy of instrument measurement .（  √  ）

74、【 Judgment questions 】《 Boiler safety technical supervision regulations 》 Regulations ： The user shall use the equipment in accordance with 《 Boiler water ( Medium ) Quality treatment supervision and management rules 》(TSGG5001) The provisions of the , Do a good job in water treatment , Ensure water vapor quality . No reliable water treatment measures , The boiler should not be put into operation .（  √  ）

75、【 Judgment questions 】 Deaerated water 、 Sampling pipe of feed water , Stainless steel pipes shall be used as far as possible .（）（  √  ）

76、【 Judgment questions 】 Element is the general name of the same kind of molecules with the same number of nuclear charges .（  ×  ）

77、【 Judgment questions 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations ： Special equipment operators find potential accidents or other unsafe factors during operation , Report to the safety management personnel of special equipment immediately .（）（  ×  ）

78、【 Judgment questions 】 Only sodium chloride is called salt .（  ×  ）

79、【 Judgment questions 】 During chemical cleaning of boiler with superheater , The superheater shall be cleaned together with the boiler body （  ×  ）

80、【 Judgment questions 】 The advantage of counter current regeneration ion exchanger is that the layer will not be disordered during regeneration .（）（  ×  ）

81、【 Judgment questions 】 Mechanical filter operation is divided into ： function 、 Backwashing 、 There are three steps to expansion .（）（  ×  ）

82、【 Judgment questions 】 In acid-base titration , It is required that the acid-base indicator must change color just at the stoichiometric point .（）（  ×  ）

83、【 Judgment questions 】 In water quality analysis , Turbidity is often used as an index to measure suspended solids .（  √  ）

84、【 Judgment questions 】 Chemical cleaning is a complicated process , Poor control of cleaning process parameters will cause harm to the boiler .（  √  ）

85、【 Judgment questions 】 Colorimetric analysis is based on the absorption of light by substances , Analytical method for determining the content of measured substances .（）（  ×  ）

86、【 Judgment questions 】 Soluble salts “ hide ” The harm caused by this phenomenon is generally very light , Don't think about .（  ×  ）

87、【 Judgment questions 】 When the boiler room is set in the basement , Forced ventilation measures shall be taken .（）（  √  ）

88、【 Judgment questions 】 Deaerated water 、 water supply 、 Water sampling device and drain pan , The cooler must be installed , The sampling cooler shall have sufficient cooling area , And connected to the water source that can continuously supply sufficient cooling water .()（  √  ）

89、【 Judgment questions 】 Truthfully inform the employees of the risk factors existing in the workplace and job , There will be negative effects , Cause panic , Increase the ideological burden , Not conducive to safe production .（）（  ×  ）

90、【 Judgment questions 】 When the surface of calcium chloride desiccant is wet or discolored, and the color of silica gel turns red , Indicates desiccant failure , Should be replaced .（）（  √  ）

91、【 Judgment questions 】 Laboratory personnel should wear work clothes . The laboratory should have tap water , Ventilation equipment , Fire Equipment , First aid kit , Emergency acid 、 Solution for neutralization in case of alkali injury and towel 、 Soap and other items .（）（  √  ）

92、【 Judgment questions 】 The stable and uniform liquid obtained after the dissolution of substances is called solution .（  √  ）

93、【 Judgment questions 】 The purpose of Backwashing in the regeneration process of ion exchanger is to loosen the resin layer and wash away the broken particles and surface suspended solids in the resin layer .（  √  ）

94、【 Judgment questions 】 Special equipment operators refer to operators 、 install 、 Personnel who repair and transform special equipment , Excluding special equipment management personnel .（）（  ×  ）

95、【 Judgment questions 】 When applying for review , The holder shall submit 《 Special equipment operator certificate 》 original script .（）（  √  ）

96、【 Judgment questions 】 Acid aqueous solution can turn blue litmus test paper red .（）（  √  ）

97、【 Judgment questions 】 Combustibles with lower explosion limit , The more dangerous it is to explode .（  √  ）

98、【 Judgment questions 】 The focus of internal inspection of carbon remover is ： Wind pressure of carbon removal fan 、 Whether the air volume and steering meet the requirements .（）（  ×  ）

99、【 Judgment questions 】 stay PH With the same value , The greater the conductivity , The higher the salt content in the solution .（  √  ）

100、【 Judgment questions 】 Workers handling and using concentrated acid or strong alkaline drugs , Be familiar with the properties and operation methods of drugs ; And wear masks according to work needs 、 Rubber gloves and protective glasses , Wear rubber apron and long rubber boots ,（ The trouser legs must be placed outside the boots ). The person in charge of the work must check whether the protective equipment is suitable .（  √  ）

Support all regions of the country to accurately G3 Boiler water treatment examination questions , Support safety certificate , Special operation certificate , Exercises on the question bank of vocational skill appraisal and other types of work .