Question bank and answers of G3 boiler water treatment examination in 2022

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

2022 year G3 The examination question bank of boiler water treatment special operation certificate is G3 The new examination questions of the national question bank for boiler water treatment ！2022 year G3 Boiler water treatment examination question bank and answers are based on G3 Boiler water treatment examination Textbook .G3 The real questions of boiler water treatment test can be quickly recited at any time according to the point of safety production simulation test .

1、【 Single topic selection 】2009 year 5 month 1 Effective as of 《 Regulations on safety supervision of special equipment 》 Added in （） The content of .（  C  ）

A、． site （ factory ） Safety supervision of special motor vehicles in the

B、． Energy Saving Supervision of high energy consumption special equipment

C、． Special equipment accident investigation

D、． Others are

2、【 Single topic selection 】98% The density of concentrated sulfuric acid is 1.84( g / ml ), The molecular weight of sulfuric acid is 98, Then its molar concentration is ()M.（  B  ）

A、36.8;

B、18.4;

C、9.2;

D、10

3、【 Single topic selection 】《 Safe production method 》 The stipulated safety production management policy is （）.（  A  ）

A、 Safety first 、 Prevention first ;

B、 Safety is for production 、 Production must be safe ;

C、 Everyone is responsible for safe production

4、【 Single topic selection 】 Which of the following statements is wrong to characterize the valence of an element （）.（  D  ）

A、 Hydrogen in compounds is +1 price

B、 Oxygen in compounds is -2 price

C、 In the molecule of a simple substance, the valence of the element is zero

D、 Non metallic elements are positive

5、【 Single topic selection 】 Among the following substances, which can inhibit the generation of scale in the boiler is （）.（  D  ）

A、Na+

B、Mg2+

C、Cl-

D、PO4

6、【 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

7、【 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+

8、【 Single topic selection 】 The wrong reading about oxide is （）.（  B  ）

A、CaO, It's called calcium oxide ;

B、FeO, It's called iron oxide ;

C、Al2

D、SO3

9、【 Single topic selection 】 Recovery rate is an important parameter in the design and operation of reverse osmosis system , The recovery rate increases , Salt content of concentrated water of reverse osmosis （）.（  A  ）

A、 increase

B、 Reduce

C、 Don't change

D、 unstable

10、【 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

11、【 Single topic selection 】 Most of them are born in the boiler 、 The junction of the low temperature zone , Scale color is mixed , The scale that can be divided into levels is （）.（  D  ）

A、 Carbonate scale ;

B、 Sulfate scale ;

C、 Silicate scale ;

D、 Mixed scale

12、【 Single topic selection 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations ： The State implements catalogue management for special equipment . The catalogue of special equipment shall be formulated by the Department in charge of safety supervision and administration of special equipment under the State Council , newspaper ( ) Execute after approval .（  A  ）

A、 The State Council

B、 AQSIQ

13、【 Single topic selection 】 The operation of the electrical equipment of the crane must be carried out in strict accordance with the regulations , The order of power supply is ( ).（  A  ）

A、 Send the disconnector first , Evacuation load switch

B、 Send the load switch first , Evacuation disconnector

C、 Isolating switch 、 The power transmission of load switch is not divided into front and rear .

14、【 Single topic selection 】 Drain the water Na+ As the end point of cation exchanger operation control , Because （）.（  D  ）

A、Na+ Easy to monitor

B、Na+ It has serious corrosivity to the boiler , We must strictly control

C、Na+ Easy to remove

D、Na+ Finally exchanged , leak Na+ An increase in volume is considered a failure

15、【 Single topic selection 】 When inhaling a small amount of chlorine , When feeling sore throat , Inhalable （）.（  D  ）

A、1％ acetic acid

B、1％ Acetic acid hot steam

C、2％ Soda water

D、2％ Soda steam

16、【 Single topic selection 】 To be configured pH The value is 10.0 Buffer solution for , Which of the following substances should be selected is more appropriate （）（  B  ）

A、． acetic acid

B、． ammonia

C、． Sodium hydroxide

17、【 Single topic selection 】 use AgNO3 Titrate... In water sample Cl— when , If the amount of indicator added is too small , Will make the determination result （）.（  B  ）

A、． Partial

B、． Larger

C、． unchanged

18、【 Single topic selection 】 To develop 《 Safety Law of the people's Republic of China on special equipment 》 To strengthen the safety of special equipment , Prevent special equipment ( ), Protect personal and property safety , Promote economic and social development .（  C  ）

A、 Production safety accidents

B、 Major accident

C、 accident

19、【 Single topic selection 】 When the following conditions occur after chemical cleaning of Utility Boiler , It is determined that the cleaning quality is unqualified （）.（  B  ）

A、 The average value of metal corrosion rate is 6g／(m2

B、 A good passivation protective film is formed on the cleaning surface of the boiler , There is no secondary floating rust on the metal surface , But pitting

C、 The cleaned metal surface is clean , There is no obvious over washing phenomenon of metal coarse crystal precipitation , No copper plating .

D、 The valves on the fixed equipment are not damaged

20、【 Single topic selection 】 The reason why electrolytes can conduct electricity is （）.（  C  ）

A、 The electrolyte itself conducts electricity ;

B、 Water can conduct electricity ;

C、 Dissociate into freely moving charged ions in water ;

D、 It can conduct electricity by chemical reaction with water

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

A、． Methyl orange indicator does not change color

B、． Methyl orange indicator turns yellow

C、． Methyl orange indicator turns red

22、【 Single topic selection 】 Personnel engaged in special equipment operation , After pre job training and assessment, I have obtained ( ) after , Can operate independently .（  C  ）

A、 Work license

B、 Skill certificate

C、 Special equipment operator certificate

23、【 Single topic selection 】 After chemical cleaning of the boiler , If not 20 Put into operation within days , There should be （） measures .（  A  ）

A、 Corrosion protection

B、 Antifreeze protection

C、 safeguard

24、【 Single topic selection 】 The condition of boiler alkali embrittlement is ： The pot water contains free NaOH、 The pot water is partially concentrated 、 Metal materials are subject to （） The role of .（  B  ）

A、． Compressive stress

B、． Tensile stress

C、． external force

25、【 Single topic selection 】 After the cation bed fails , The first cation to penetrate the resin layer is （）.（  D  ）

A、．Fe3+

B、．Ca2+

C、．Mg2+

D、．Na+

26、【 Single topic selection 】 Choose the correct view according to the following phenomena ？

（  C  ）

A、 When entering the garage, you need to open the door manually

B、 Shut down the engine for maintenance

C、 The vehicle shall be stopped stably for maintenance

D、 There are no precautions when repairing , Fork tooth falling accident

27、【 Multiple choice 】 Troubleshooting method for brake failure to open （  BDEF  ）

A、 Adjust the clearance between brake shoe and brake wheel , Make the gap on both sides even .

B、 Replace the solenoid

C、 Check the oil level , Keep the oil level between the dipstick marks

D、 Check the hydraulic brake oil level for lack of oil

E、 Adjust the spring tightness

F、 Adjust the working stroke

28、【 Single topic selection 】 When the charged body is grounded and there is current flowing underground , The voltage drop caused by the current in the soil around the grounding point . People are around the grounding point , The voltage between the two pins is called ( ).（  A  ）

A、 Step voltage

B、 Safe voltage

C、 Zero voltage

29、【 Multiple choice 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations , The use of special equipment fails to go through the use registration in accordance with the regulations , Order to make corrections within a time limit ; Failing to correct within the time limit , Order to stop using relevant special equipment , It's about ( ) above ( ) The following fines .（  AC  ）

A、1 Ten thousand yuan

B、2 Ten thousand yuan

C、10 Ten thousand yuan

30、【 Single topic selection 】《 Safety Law of the people's Republic of China on special equipment 》 Specified in the , The unit using special equipment uses personnel who have not obtained corresponding qualifications to engage in safety management of special equipment 、 Detection and operation , The legal liability to be borne is ( ).（  B  ）

A、 Revocation of business license

B、 Order to make corrections within a time limit ; Failing to correct within the time limit , Order to stop using relevant special equipment or suspend production or business for rectification , Impose a fine of not less than 10000 yuan but not more than 50000 yuan

31、【 Multiple choice 】 In case of sudden power failure during operation , Emergency measures taken by crane driver ( ).（  ABC  ）

A、 Cut off the power supply

B、 Turn the control handle to the zero position

C、 Report to electrician for maintenance

D、 Hang a heavy object in the air

32、【 Single topic selection 】 The operator with certificate obtains the certificate by cheating in the exam or by other deceptive means 《 Special equipment operator certificate 》 Of , Revoke 《 Special equipment operator certificate 》,( ) No application 《 Special equipment operator certificate 》.（  B  ）

A、5 year

B、3 year

C、4 year

D、 lifetime

33、【 Single topic selection 】《 Safety Law of the people's Republic of China on special equipment 》 Is a ( )（  A  ）

A、 law

B、 Administrative regulations

C、 Department rules

34、【 Multiple choice 】 When the motor vehicle is driving on the factory road , To drive on the road :( ).（  BC  ）

A、 left

B、 middle

C、 On the right side

35、【 Multiple choice 】 Accidents can be divided into （）.（  ABCD  ）

A、 Vehicle damage accident

B、 Minor injury accident

C、 Serious injury accident

D、 Fatalities

36、【 Single topic selection 】 The greater the current flowing through the human body , The deadly danger is ( ).（  C  ）

A、 The safer

B、 The smaller it is

C、 The bigger it is

37、【 Single topic selection 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations , The user of special equipment shall comply with the requirements of safety technical specifications , Before the expiration of the validity period of the inspection ( ) Propose regular inspection requirements to special equipment inspection institutions .（  A  ）

A、 A month

B、 Two months

C、 Three months

38、【 Single topic selection 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations , The user of special equipment shall obtain a production license and be approved by ( ) Special equipment .（  B  ）

A、 Market recognition

B、 Pass the inspection

C、 Technical qualification

39、【 Multiple choice 】 According to the twisting direction of steel wire rope, there are :( ).（  ACD  ）

A、 Clockwise winding

B、 Flat winding

C、 Mixed winding

D、 Cross wound

40、【 Multiple choice 】 The dangerous section of the hook has ( ).（  ABD  ）

A、 Hook neck

B、 The section where the bottom of the hook coincides with the center line

C、 Hook tip

D、 The section in the middle of the hook perpendicular to the centerline

41、【 Single topic selection 】《 site （ factory ） Supervision Regulations on safety technology of special motor vehicles in 》 Specified in the , The safety factor of forklift lifting chain shall not be less than （）.（  C  ）

A、1

B、3

C、5

D、6

42、【 Multiple choice 】 The pulleys used in hoisting machinery can be divided into ：( ).（  CD  ）

A、 Single pulley

B、 Double pulley

C、 Movable pulley

D、 Fixed pulley

43、【 Multiple choice 】 In order to ensure the service life and working state of the battery , It needs to be ( ).（  BCD  ）

A、 Rotation using

B、 Make up distilled water

C、 Gap overcharge

D、 Exercise cycle charging

44、【 Single topic selection 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations ： Installation of special equipment 、 reform 、 After the repair is completed , install 、 reform 、 The construction unit of repair shall... After acceptance ( ) Japan , Security production The mock exam is a little through , Relevant technical data and documents shall be handed over to the unit using special equipment .（  D  ）

A、5

B、15

C、20

D、30

45、【 Single topic selection 】( ), According to the needs of safe production , Divide the road into sections that restrict or prohibit vehicle traffic , And set up traffic signs （  B  ）

A、 Boundary wall between enterprises and factories

B、 Flammable 、 Production area or storage warehouse area of explosive products

C、 In the office area or supermarket area .

46、【 Multiple choice 】 According to the type of power, the cars can be divided into （）.（  ABCD  ）

A、 Internal combustion field car

B、 Electric field car

C、 New energy field car

D、 Hybrid field car

47、【 Judgment questions 】EDTA The complexation ability to metal ions varies with the acidity ,pH The lower the value , The stronger the complexation ability .（）（  ×  ）

48、【 Judgment questions 】GB/T12145－2008《 Water and steam quality of steam power equipment of thermal power generating units 》 Quality of condensate in , It has nothing to do with whether there is a condensate treatment system , The standard is the same .（  ×  ）

49、【 Judgment questions 】 The audio signal used by the driver “ Be careful ” For a long sound .（  √  ）

50、【 Judgment questions 】 During lifting , No one is allowed to stand under the suspended object , However, the lifting object can be crossed over the personnel .（  ×  ）

51、【 Judgment questions 】 Hydraulic system is a transmission device that uses the pressure energy of the liquid in the closed container to transfer energy or power .（）（  √  ）

52、【 Judgment questions 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations , The Department responsible for the safety supervision and administration of special equipment shall supervise the school 、 Kindergartens and hospitals 、 Station 、 Passenger terminal 、 The mall 、 The stadium 、 Exhibition Hall 、 Special equipment in public gathering places such as parks , Implement key safety supervision and inspection .（  √  ）

53、【 Judgment questions 】 When the overhead transmission line breaks and falls to the ground , People are not allowed to enter the radius 10m Dangerous area of the range .（  √  ）

54、【 Judgment questions 】 The sign indicates that the vehicle 、 The of pedestrians 、 Safety production mold I plan to take an exam Diantong 、 sign .（  ×  ）

55、【 Judgment questions 】Na+ The static measurement method shall be adopted as far as possible , Because the sensitivity of static measurement is higher than that of dynamic measurement 、 Little error .（）（  ×  ）

56、【 Judgment questions 】PH The value is equal to the logarithm of the hydrogen ion concentration .（  ×  ）

57、【 Judgment questions 】 After using safe voltage, there will be no electric shock accident .（  ×  ）

58、【 Judgment questions 】《 Boiler water （ Medium ） Quality treatment supervision and management rules 》 The scope of application and 《 The safety management rules of boiler room are the same 》.（  ×  ）

59、【 Judgment questions 】 When the hook is in use , Regular inspection is required, but lubrication is not required .（  ×  ）

60、【 Judgment questions 】 The chassis is used to support itself , Accept the power generated by the engine , And ensure that the vehicle can run normally .（  √  ）

61、【 Judgment questions 】 In order to remove water slag in time , Blowdown shall be carried out as soon as possible after boiler dosing .（  ×  ）

62、【 Judgment questions 】 All operations using concentrated acid , It must be carried out outdoors or in a wide and well ventilated indoor fume hood . If there is no fume hood in the room , Strong ventilation equipment must be installed .（）（  √  ）

63、【 Judgment questions 】《 Safe production method 》 Regulations ： When employees find an emergency that directly endangers personal safety , Have the right to stop work or evacuate the workplace after taking possible emergency measures .（  √  ）

64、【 Judgment questions 】 In case of danger, you should first look after people and then things , This is a basic principle of avoidance .（  √  ）

65、【 Judgment questions 】 The analytical balance is made according to the lever principle .‘ Latest analysis ‘（）（  √  ）

66、【 Judgment questions 】 Sampling should ensure that the sample is representative .（）（  √  ）

67、【 Judgment questions 】 The boiler in use must obtain the regular inspection certificate , And can continue to use... Only within the validity period of the inspection certificate .（  √  ）

68、【 Judgment questions 】 The commonly used colorimetric method is visual colorimetry , Spectrophotometry .（  √  ）

69、【 Judgment questions 】 The crane is passing through the railway 、 Underground water pipes 、 Underground gas pipeline 、 Cable and other facilities , Boards shall be laid to protect , And don't spin on it .（  √  ）

70、【 Judgment questions 】 When the forklift meets someone in front , Sound signals shall be sent in advance , If pedestrians do not avoid , Slow down or even stop in time ; Driving in the noisy Workshop , Sound signals should be sent continuously .（  √  ）

71、【 Judgment questions 】 The included angle of steel wire rope for sling is greater than 120° Do not lift when .（  √  ）

72、【 Judgment questions 】 After the completion of furnace merging , An external inspection shall be conducted for each part of the boiler , And make boiler operation records .（  √  ）

73、【 Judgment questions 】 When strong alkali 、 When strong acid splashes into the eyes , Send to hospital for first aid immediately .（  ×  ）

74、【 Judgment questions 】 The driver's reaction time to the stimulus , Often different from changes in mood and health status , A healthy body , In a good state of mind , The reaction is quick , On the contrary, it is slow .（  √  ）

75、【 Judgment questions 】 Water slag and scale can be transformed into each other .（）（  ×  ）

76、【 Judgment questions 】 Poor water quality can cause boiler scaling 、 Corrosion and water vapor co transpiration .（  √  ）

77、【 Judgment questions 】 The rated lifting capacity of the grab crane is the weight of materials that the grab can grasp .（  ×  ）

78、【 Judgment questions 】 The forklift is powered by a power unit , chassis , Working device , Hydraulic system and electrical equipment .（  √  ）

79、【 Judgment questions 】 There are three main reasons affecting vehicle driving safety: people 、 Vehicle and road environment , Among these three elements , Vehicles are the main .（  ×  ）

80、【 Judgment questions 】 Steam water sampling must be “ Security Production simulation test try A little “ Must be through a cooling device , Keep the cold water pipe unblocked and sufficient cooling water .（）（  √  ）

81、【 Judgment questions 】 Over winch limiter （ Also known as the rising limit position limiter ） Its function is when the hook rises to the upper limit position , It starts to move , Cut off the power supply , To ensure safety .（  √  ）

82、【 Judgment questions 】 The swing of the hook is generally caused by two forces , One is the lateral horizontal force , The other is the vertical force .（  ×  ）

83、【 Judgment questions 】 site （ factory ） Special motor vehicles in the , Except for road traffic 、 Except for agricultural vehicles, only in the factory area 、 Tourist attractions 、 Special motor vehicles used in specific areas such as amusement parks . Special equipment includes the materials used 、 Attached safety accessories 、 Safety protection devices and facilities related to safety protection devices .（  √  ）

84、【 Judgment questions 】 The conductivity of the solution decreases with the increase of temperature .（）（  ×  ）

85、【 Judgment questions 】《 Regulations on safety supervision of special equipment 》 Regulations ： Special equipment, including its attached safety accessories 、 Safety protection device .（  √  ）

86、【 Judgment questions 】 Thermal power ” Security Production simulation test 1 spot through ” Deoxidation can only remove dissolved oxygen in water , Cannot remove carbon dioxide gas .（  ×  ）

87、【 Judgment questions 】 The filtration process of granular filter material has two functions ： First, mechanical screening ; Another function is contact condensation .（  √  ）

88、【 Judgment questions 】 Under thunderstorm weather and high-voltage power line , When a motor vehicle is refuelled , The engine should be shut down . Restart the engine without ignition , Do not use “ Hanging fire ” Check or use high-voltage wire “ Combustion cylinder ”.（  √  ）

89、【 Judgment questions 】 Hydrazine pipeline system shall be equipped with “ Highly toxic and dangerous ” The logo of . Storage location of hydrazine and its container , It shall be safe and reliable , No irrelevant personnel are allowed to approach .（）（  √  ）

90、【 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 .（  √  ）

91、【 Judgment questions 】 The wire ropes do not have to be arranged orderly on the drum .（  ×  ）

92、【 Judgment questions 】 The function of passivation is to form a stable anti-corrosion protective film on the metal surface .（）（  √  ）

93、【 Judgment questions 】 The field used in explosive dangerous places （ factory ） Special motor vehicles in the , It must meet the explosion-proof safety technical requirements .（  √  ）

94、【 Judgment questions 】 Seasonal maintenance , Seasonal maintenance due to climate change .（  √  ）

95、【 Judgment questions 】 Scaling on the heating surface of the boiler will lead to the decline of the thermal efficiency of the boiler .（  √  ）

96、【 Judgment questions 】 Prevention and control of fan noise in boiler room , Silencing can be used 、 Sound insulation 、 Sound absorption and vibration isolation .（  √  ）

97、【 Judgment questions 】 Whether the heating surface of the boiler has scale or smoke scale , Will affect the heat transfer of the boiler .（）（  √  ）

98、【 Judgment questions 】 Boiler overload operation will reduce thermal efficiency .（  √  ）

99、【 Judgment questions 】 The higher the water level in the drum , The worse the steam water separation conditions .（  √  ）

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

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 .