2022g3 boiler water treatment examination question simulation examination question bank and simulation examination

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

2022 year G3 Boiler water treatment reexamination question bank yes G3 Boiler water treatment simulation examination question bank high-frequency examination questions cover ！2022G3 Boiler water treatment test question simulation test question bank and simulation test basis G3 Boiler water treatment examination Textbook .G3 All examination question banks of boiler water treatment can practice wrong questions at any time according to the one point of safety production simulation examination .

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 】 basis 《 Measures for supervision and management of special equipment operators 》, Under any of the following circumstances , Except that it should be revoked 《 Special equipment operator certificate 》 Outside , Certificate holder 3 It is not allowed to apply for special equipment operator certificate again within one year .（）（  ABCD  ）

A、 The operator with certificate obtains the certificate by cheating in the exam or by other deceptive means 《 Special equipment operator certificate 》 Of

B、 Operators with certificates operate or manage in violation of regulations, resulting in special equipment accidents

C、 Operators with certificates fail to immediately report potential accidents or other unsafe factors, resulting in special equipment accidents

D、 The certified operator fails to apply for reexamination within the time limit or fails to pass the reexamination and fails to take the examination

E、 Staff members of examination institutions or license issuing departments abuse their power 、 be forgetful of one's duties 、 Violating legal procedures or exceeding the scope of issuing certificates

3、【 Multiple choice 】 according to 《 Supervision Regulation on safety technology of steam boiler 》 The requirements of , In case of any of the following conditions when operating the boiler , The boiler shall be shut down immediately ？（）（  BCF  ）

A、． All water treatment equipment failed

B、． All safety valves fail

C、． Continuously increase water supply and take other measures , But the water level continues to fall

D、． The blowdown valve cannot be opened

E、． Low water level interlock protection device fails

F、． Boiler components are damaged , Endanger the safety of operators

4、【 Single topic selection 】《 Regulations on safety supervision of special equipment 》 The so-called local special equipment safety supervision and administration departments above the county level under the current system refer to （）.（  B  ）

A、 Work safety supervision and administration department ;

B、 Quality and technical supervision department ;

C、 Transportation department ;

D、 The labor department

5、【 Single topic selection 】 In general 、 The conductivity of a solution is defined as the conductivity at （） Conductivity at .（  A  ）

A、．25±0.2℃

B、．20±0.2℃

C、．30±0.2℃

6、【 Single topic selection 】 Which of the following is wrong to describe the relationship that affects the working layer thickness of the exchanger .（）（  A  ）

A、 The smaller the resin particles , The slower the exchange reaction , The thicker the working layer

B、 The faster the operating flow rate , The thicker the working layer

C、 The lower the temperature , The slower the exchange reaction , The thicker the working layer

D、 The higher the amount of influent ions , The thicker the working layer

7、【 Single topic selection 】 In the following experimental operations , The right is （）.（  A  ）

A、 Heat the test tube with the outer flame of the alcohol lamp ;

B、 Put the remaining drugs back into the original trial bottle immediately ;

C、 Prepare a certain percentage concentration of solution in the measuring cylinder ;

D、 Put the weight on the right weighing tray

8、【 Single topic selection 】 Among the following substances, it is easy to scale the boiler （）.（  B  ）

A、．Cl

B、．Ca2+

C、．CO32

9、【 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

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 】 basis 《 Safe production method 》 Relevant provisions on the rights and obligations of employees , When you find an emergency that directly endangers your own safety , Employees ( ).（  C  ）

A、 Report to the on-site safety management personnel immediately

B、 We should take all technical means to rescue and provide disaster relief

C、 Have the right to stop the operation or evacuate the operation site after taking possible emergency measures

12、【 Single topic selection 】 About the combination reaction, the following （） That's right .（  C  ）

A、 There is only one chemical reaction ;

B、 Only two substances react chemically to form another substance ;

C、 The chemical reaction of two or more substances to produce another substance ;

D、 A substance that reacts chemically to produce another substance

13、【 Single topic selection 】 The main cause of condensate pollution is （）.（  B  ）

A、 The make-up water is unqualified

B、 Condenser leakage

C、 Improper dosing

D、 The return water is unqualified

14、【 Single topic selection 】 Fixed bed backwashing expansion height , Usually it is （）.（  A  ）

A、 Resin layer height 50％~80％

B、 The height of quartz sand cushion 30%~40%

C、 The total height of the equipment is 50%~70%

D、 The total height of the equipment is 50%~80%

15、【 Single topic selection 】 When the water temperature is low , The complexation reaction is slow , Therefore, the water sample should be heated to （）.（  D  ）

A、40~50℃;

B、50~60℃;

C、10~20℃;

D、30~40℃

16、【 Single topic selection 】 Control processor and communication network of distributed control system ().（  A  ）

A、 Partial redundancy

B、 All redundancy

C、 No redundant

17、【 Single topic selection 】() It's a chemical hazard 、 Harmful factors .（  C  ）

A、 Noise hazard

B、 Electromagnetic radiation

C、 Toxic Substances

18、【 Single topic selection 】 Pay attention to personal safety in chemical production , What is wrong ().（  A  ）

A、 Pay close attention to the safe operation of pressure vessels in production , People can't be far away

B、 Pay attention to toxic substances in production

C、 Stay away from places prone to fire and explosion

19、【 Single topic selection 】 The residual pressure of the hydraulic station refers to ( ).（  C  ）

A、 Outlet pressure of oil pump under no-load condition

B、 The indicated pressure of the pressure gauge when the disc brake is fully released

C、 The indicated pressure of the pressure gauge when the coil current of the electro-hydraulic pressure regulating device is zero

20、【 Single topic selection 】 The distance a fluid flows in the direction of flow per unit time , be called ().（  B  ）

A、 Traffic

B、 Current Speed

C、 Mass flow rate

21、【 Single topic selection 】 The laboratory needs to take the solution 10.00mL, The instrument used is （）.（  C  ）

A、．10ml Measuring cylinder

B、．25ml Acid burette

C、．10ml Pipette

22、【 Single topic selection 】 In the wind current of mining face and other operation sites 、 The motor or its switch is installed near the place 20m In the inner wind , The gas concentration reaches ( ) when , Must stop working , Cut off the power supply , Evacuate personnel , To deal with .（  D  ）

A、0.5%

B、0.75%

C、1.0%

D、1.5%

23、【 Single topic selection 】 The interval for the operator to change the mechanical oil of the motor bearing bush is every ( ).（  C  ）

A、 Zhou

B、 month

C、 Half a year

24、【 Single topic selection 】3300 The series eddy current sensor system measures vibration and relative position by means of the gap between the probe tip and the observed conductor surface , And convert it into () The signal is sent to the monitor .（  B  ）

A、 Positive proportional voltage

B、 Positive proportional negative voltage

C、 Inverse proportional positive voltage

25、【 Single topic selection 】 The gas facilities in front of the pressurizer or extractor shall ( ) Check the wall thickness , If the wall thickness is less than the safety limit , Measures should be taken after , To continue to use .（  B  ）

A、 Irregular

B、 regular

C、 At any time

26、【 Single topic selection 】 When the amount of water droplets entrained by steam is certain , The increase in the salt content of steam is due to （） Caused by .（  B  ）

A、 Increase in load

B、 The salt content of pot water increases

C、 The pressure increases

D、 The water level rises

27、【 Single topic selection 】 Organic phosphonates and Cr2+,Mg2+ And other scaling substances to form stable （）, Thus, the precipitation of calcium carbonate in aqueous solution is prevented .（  A  ）

A、． Chelates

B、． complex compound

C、． precipitate

28、【 Single topic selection 】 The reason why the resin is contaminated by iron is （）.（  D  ）

A、 Insufficient regenerant concentration

B、 The hardness in the source water is too high

C、 Incomplete backwashing

D、 Poor corrosion prevention of regeneration system and exchanger

29、【 Single topic selection 】 The content of chloride ion in water sample is 401—1000mg/L when , Should measure （） water sample , And dilute with distilled water to 100ml After determination .（  A  ）

A、．10ml

B、．50ml

C、．25ml

30、【 Single topic selection 】 According to the elevator patrol inspection chart, the time of patrol inspection is ( ) Hours .（  B  ）

A、0.5

B、1

C、2

31、【 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

32、【 Single topic selection 】 Corrosion under sediment can generally be divided into alkaline corrosion and （）.（  C  ）

A、． Caustic embrittlement

B、． Stress corrosion

C、． Acid corrosion

33、【 Single topic selection 】 The characteristics of electrical fire mainly include : Overload 、 poor contact 、( ).（  A  ）

A、 A short circuit

B、 Spread

C、 Fighting difficulties

34、【 Single topic selection 】 Solubility means , At a certain temperature ,（） The number of grams of solute that can be dissolved .（  B  ）

A、100 G solution ;

B、100 Gram solvent ;

C、1 Liters of solution ;

D、1 Liters of solvent

35、【 Single topic selection 】 The algebraic difference between the upper and lower limits of the measurement range of the sensor is called ( ).（  A  ）

A、 range

B、 Measured value

C、 Response values

D、 precision

36、【 Single topic selection 】 The unit using special equipment shall provide special equipment safety education and training for special equipment operators , Ensure that special equipment operators have the necessary （）.（  B  ）

A、 Operation certificate ;

B、 Knowledge of safe operation ;

C、 Cultural knowledge ;

D、 Work license

37、【 Single topic selection 】 The weight of zero line of DC line . Ann whole Pass the production simulation exam at one point . Multiple grounding ( ).（  A  ）

A、 Artificial grounding body should be used

B、 There should be metal connection with underground pipe network

C、 Artificial grounding body should not be used

38、【 Single topic selection 】 Among the following options, those that do not belong to occupational contraindications for noise operation are ().（  C  ）

A、 Sensorineural hearing loss (500Hz、1000Hz and 2000Hz Pure tone air conduction hearing threshold at any frequency >25

B、 Moderate or above conductive deafness

C、Ⅰ Period and Ⅰ Hypertension above stage

39、【 Single topic selection 】 When heating liquid with beaker , The height of the liquid shall not exceed the height of the beaker （）.（  C  ）

A、 three-fourths

B、 One-third

C、 Two-thirds

D、 A half

40、【 Single topic selection 】 At present, China's thermal power plants mainly use natural circulation 、 Forced circulation boiler 、（）、 Compound circulation boiler .（  A  ）

A、 Once through boiler

B、 Coal fired boiler

C、 Solid slag removal boiler

D、 Layer fired boiler

41、【 Single topic selection 】 For key posts with high risk , The production and business operation entity shall formulate the rules for key work posts ().（  B  ）

A、 Comprehensive emergency plan

B、 Site disposal plan

C、 Special emergency plan

42、【 Single topic selection 】 The main difference between once through boiler and natural circulation boiler is （）.（  C  ）

A、． Once through boiler has no water pipe

B、． Once through boiler without superheater

C、． Once through boiler has no drum

43、【 Single topic selection 】 Once through boiler has stricter requirements on water quality than drum boiler , This is because （）.（  A  ）

A、 Its water 、 There is no circulating boiler water in the steam system , No water treatment in the pot

B、 Parameter: high water capacity

C、 The material of the system has low corrosion resistance

44、【 Single topic selection 】 If the ion exchange resin is dehydrated , When used （）.（  C  ）

A、． Soak in water

B、． First use 8% Brine pretreatment

C、． First soak in saturated salt water

45、【 Single topic selection 】 Acid can make （）.（  A  ）

A、 Turn purple litmus test solution red ;

B、 Methyl orange test solution turns yellow ;

C、PH The test paper turns colorless ;

D、 Phenolphthalein test solution turns blue

46、【 Single topic selection 】 Water treatment system outside the boiler （ equipment ） After installation , Should be provided by （） Commissioning by the company , Determine reasonable operating parameters .（  B  ）

A、 test

B、 Debugging capability

C、 Use

D、 manufacture

47、【 Single topic selection 】 nail 、 Class B combustible gas 、 The tall frame and equipment group of combustible liquid equipment shall be protected by water cannon , The distance between the setting position and the protection object should not be less than ( )m.（  C  ）

A、10

B、12

C、15

48、【 Single topic selection 】 The purpose of monitoring chloride ion in boiler water is ： Prevent corrosion caused by excessive chloride ion damaging the protective film of heating surface ; Prevent chlorine ions carried by steam from entering the steam circulation part （） The corrosion of .（  B  ）

A、 carbon steel

B、 Austenitic stainless steel

C、 Ferritic stainless steel

D、 Martensite stainless steel

49、【 Single topic selection 】 Enterprises should every () At least once on safety production laws and regulations 、 Standard specification 、 Rules and regulations 、 Check and evaluate the implementation of operating procedures .（  B  ）

A、 Two years

B、 year

C、 Half a year

50、【 Single topic selection 】 Poisoning of carrier catalyzed methane sensing element means that the element encounters ( ) Gas .（  A  ）

A、 Hydrogen sulfide or sulfur dioxide

B、 High concentration gas

C、 carbon monoxide

D、 Carbon dioxide

51、【 Single topic selection 】 The part of the boiler heating surface that is most likely to form hard scale is （）.（  C  ）

A、 Economizer ;

B、 The drum ;

C、 Water wall ;

D、 Downcomer

52、【 Single topic selection 】 Boiler water （ Medium ） Quality treatment inspection is divided into water （ Medium ） Quality treatment, regular inspection and （）.（  C  ）

A、． Water vapor quality inspection

B、． Operation inspection of water treatment system

C、． Supervision and inspection of boiler cleaning process

53、【 Single topic selection 】 When the boiler is boiling , Pot water is not allowed to enter （）.（  C  ）

A、． Economizer

B、． Water wall

C、． Superheater

54、【 Single topic selection 】 Failing to set up obvious safety warning signs in places that constitute major hazard sources ; Or the equipment in major hazard sources is not 、 Regular inspection of facilities, etc 、 Tested , The work safety supervision and Administration Department of the people's government at or above the county level shall order the unit of hazardous chemicals to make corrections within a time limit ; Failing to correct within the time limit , Order to suspend production and business for rectification , Concurrently () A fine of less than ten thousand yuan .（  B  ）

A、3

B、5

C、10

55、【 Multiple choice 】 The mine should have a complete independent ventilation system .( ) The air volume must meet the safety production requirements .（  BCD  ）

A、 Damper

B、 mine

C、 Mining face

D、 mining area

56、【 Multiple choice 】 The coal face must be checked for gas and gas CO₂ The locations are ( ).（  ABCDE  ）

A、 Coal face area

B、 Return air flow area of coal face

C、 Air inlet area of coal mining face

D、 Upper corner

E、 Lower corner

57、【 Single topic selection 】 Pressure test of pressure pipeline , The test pressure shall be the highest · Safety student Production simulation exam A little · Working pressure ()P.（  B  ）

A、1.15

B、1.5

C、1.25

58、【 Single topic selection 】 accord with GC3 The classification standard of class I industrial pipeline is ().（  A  ）

A、 Delivery is non-toxic 、 Non combustible fluid medium , The design pressure is less than or equal to 1.0Mp, And the design temperature is higher than -20℃ But not higher than 185℃ The pipe

B、 The fire risk of transportation is class A 、 Class B combustible gas or class a combustible gas ( Including liquefied hydrocarbons ) The pipe , And the design pressure is greater than or equal to 4.0Mp The pipe

C、 Transport medium with extreme toxicity , Highly hazardous gas medium and highly hazardous liquid medium pipeline with working temperature higher than its standard boiling point

59、【 Single topic selection 】 The tailings pond shall be located in a large residential area as far as possible 、( )、 The downstream direction of aquatic base and key protected places of interest .（  B  ）

A、 Train station

B、 Water source

C、 factory

60、【 Multiple choice 】 When large rocks are encountered in the rescue of roof accident , Blasting is not allowed , If you threaten people in distress , Available ( ) Wait for tools to move stones , Rescue the people in distress .（  AD  ）

A、 lifting jack

B、 hammer

C、 Lifting tool

D、 Crowbar

61、【 Judgment questions 】 Butadiene self polymer will spontaneously ignite under the sun and near the steam heat source .（  √  ）

62、【 Judgment questions 】《 Boiler safety technical supervision regulations 》 Regulations ：A Economizer inlet of class I boiler 、 Drum 、 Saturated steam outlet pipe 、 Superheater 、 Reheater and other parts , Configure water vapor sampler .（  √  ）

63、【 Judgment questions 】 The occupational disease protection articles of the construction project must be designed simultaneously with the main project 、 Simultaneous construction 、 Put into production and use at the same time .（  ×  ）

64、【 Judgment questions 】《 Regulations on supervision and management of boiler energy saving technology 》 Regulations , Rated thermal power greater than 1.4MW Organic heat carrier boiler , The exhaust gas temperature of the boiler is not higher than 230℃.（  ×  ）

65、【 Judgment questions 】 Electricians must be trained and certified before taking up their posts .（  √  ）

66、【 Judgment questions 】 When the composite index method is used to predict the outburst risk of coal roadway heading face , If the measured indicators q、S All measured values are less than the critical value , And no other abnormalities were found , Then the working face is predicted to be a working face without outburst danger .（  √  ）

67、【 Judgment questions 】 During the implementation of administrative punishment, we must follow “ There are explicit provisions in the law to punish ” Principles .（  √  ）

68、【 Judgment questions 】《 Regulations on supervision and management of boiler energy saving technology 》 Regulations , The rated evaporation capacity is greater than or equal to 1t/h The steam boiler and rated thermal power are greater than or equal to 0.7MW Hot water boiler , The exhaust gas temperature of the boiler shall not be higher than 170℃.（  √  ）

69、【 Judgment questions 】 The production and business operation unit carries out blasting 、 Hoisting operation , Special personnel shall be arranged for on-site supervision .（  ×  ）

70、【 Judgment questions 】 Use respirator 、 Face dust mask 、 Earplugs are for ’ Ann whole production Pass the mock exam at one point ’ To prevent the occurrence of occupational diseases .（  √  ）

71、【 Judgment questions 】 Pneumatic piston actuator can fully use the air supply pressure of the factory to improve the output force of the actuator .（  √  ）

72、【 Judgment questions 】 In the sulfonation production process , Prevent materials from channeling into the inert gas system , vice versa .（  √  ）

73、【 Judgment questions 】 The management of safety signs of special labor protection articles shall be implemented by the safety sign management organization of special labor protection articles designated by the State Administration of work safety , The designated safety sign management organization of special labor protection articles shall be responsible for the safety signs issued by it .（  √  ）

74、【 Judgment questions 】 Level III major hazard source , According to the possibility of fire 、 Location of explosion and leakage 、 place , Set necessary combustible gas 、 Toxic gas detection and fire alarm device .（  √  ）

75、【 Judgment questions 】 A local fan can supply 2 Air supply of heading face for one operation .（  ×  ）

76、【 Judgment questions 】 Thermal resistance is a kind of temperature detector commonly used in high temperature area .（  ×  ）

77、【 Judgment questions 】 The thickness of the steel plate around the leakage point shall be measured before hot work repairs the leakage point of the gas pipeline , To prevent burn through during repair welding .（  √  ）

78、【 Judgment questions 】 Use and handling quicklime 、 Diamond bitter earth 、 Staff of coagulant, bleach and other drugs , Be familiar with the characteristics and operation methods of drugs . Wear work clothes when working , Wear protective glasses 、 masks 、 glove , Wear rubber boots . When loading and unloading these drugs in the open air , Stand upwind , To prevent inhalation of flying drug powder .（）（  √  ）

79、【 Judgment questions 】 When series ventilation is adopted in coal mining face , The air inlet roadway of the linked working face must be set “ Safety production mold Proposed examination Try a little “ Place Methane Sensor .（  √  ）

80、【 Judgment questions 】 The greater the permeability of the reverse osmosis membrane , The greater the desalination rate .（  √  ）

81、【 Judgment questions 】 The purpose of adding diamine to feed water is to eliminate the corrosion of dissolved oxygen .（  √  ）

82、【 Judgment questions 】 Periodic water production is reduced , It's usually resin “ poisoning ” Caused by the .（）（  ×  ）

83、【 Judgment questions 】 In the coal dust explosion ” Ann Full production Mock exam A little ” So , Most of the victims died of high temperature 、 High pressure and shock wave .（  ×  ）

84、【 Judgment questions 】 When adjusting the brake handle, the drilling tool elevator must be seated on the rotary table , Unload the load , Loosen the hook spring .（  √  ）

85、【 Judgment questions 】 Open pit lighting uses voltage , Should be 380V.（  ×  ）

86、【 Judgment questions 】 In the coal face with outburst risk , Advance drilling can be used as one of the outburst prevention measures .（  √  ）

87、【 Judgment questions 】 In UHV units ,SiO2 It is mainly deposited in the low-pressure cylinder of steam turbine .（  √  ）

88、【 Judgment questions 】 The discharged polluted air must be purified , Do not return to the system .（  √  ）

89、【 Judgment questions 】 When the boiler load increases sharply , Furnace water PO43— Reduce , Phenolphthalein alkalinity increases , Because of the salt hiding phenomenon .（  √  ）

90、【 Judgment questions 】 Due to the increase of furnace temperature , Therefore, the water temperature in the water wall is much higher than that of the convection tube bundle .（  ×  ）

91、【 Judgment questions 】 Individuals can buy highly toxic chemicals other than pesticides .（  ×  ）

92、【 Judgment questions 】 The seals used on rotating equipment are generally dynamic seals .（  ×  ）

93、【 Judgment questions 】 Anyone who enters a confined space must wear gas masks and other personal protective equipment , Do not rescue blindly .（  √  ）

94、【 Judgment questions 】 The team leader is the first person in charge of production safety , Not fully responsible for the site safety management within the jurisdiction .（  ×  ）

95、【 Judgment questions 】 Nitrogen oxides in waste gas can be directly discharged into the atmosphere without treatment .（  ×  ）

96、【 Judgment questions 】 The purpose of replacement during regeneration of ion exchange resin is mainly to eliminate the pollution of resin .（  ×  ）

97、【 Judgment questions 】 The acid-base indicator will not consume the acid-base titrant , Therefore, the amount of acid-base indicator can be increased or decreased according to the situation .（）（  ×  ）

98、【 Judgment questions 】 The selection of boiler water treatment method shall be consistent with the local water source , Consistent with boiler type .（  ×  ）

99、【 Judgment questions 】 High boiler heat load , Areas with high evaporation intensity , Such as water wall tube 、 Convection tube, etc , Due to the drastic evaporation and concentration of the pot water , It is easy to form sulfate scale and silicate scale .（  √  ）

100、【 Judgment questions 】 The dissolved carrying capacity of saturated steam to silicic acid varies with the pot water PH Increase as the value decreases .（  √  ）

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 .