Operation of 2022 welder (Advanced) examination question bank simulation examination platform

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

2022 Welder （ senior ） The examination questions are welders （ senior ） Various practice modes of operating examination questions ！2022 Annual welder （ senior ） Test question simulation test question bank simulation test platform operation basis welder （ senior ） The new exam Syllabus . Welder （ senior ） All the examination question banks have passed the safety production simulation examination, and all the wrong questions have been strengthened .

1、【 Single topic selection 】( ) Not oblique Y The content of test and calculation of V-groove butt crack .（ C ）

A、 Section crack rate

B、 Surface crack rate

C、 Crater crack rate

D、 Root crack rate

2、【 Single topic selection 】( ) It's not the function of nonferrous metal flux .（ D ）

A、 Remove the oxide on the surface of the weldment

B、 It can protect the molten pool metal

C、 Improve the fluidity of the liquid

D、 Desulfurization and dephosphorization

3、【 Single topic selection 】( ) The design pressure of the vessel is 0.1MPa≤P＜1.6MPa.（ D ）

A、 Ultra high pressure

B、 High pressure

C、 medium voltage

D、 low pressure

4、【 Single topic selection 】HT100 yes ( ) The brand of the material .（ C ）

A、 Mild steel

B、 aluminum

C、 Grey cast iron

D、 copper

5、【 Single topic selection 】 Of the following cast iron grades ,( ) Gray cast iron .（ A ）

A、HT100

B、QT400-15

C、SQT

D、KTB

6、【 Single topic selection 】 In order to make the weld contain 2% Austenite of ferrite + Ferrite duplex , If the fusion ratio is 40% when , Choose ( ) welding 1Cr18Ni9 Stainless steel and Q235 Mild steel .（ D ）

A、J507 Welding rod

B、A102 Welding rod

C、A407 Welding rod

D、A307 Welding rod

7、【 Single topic selection 】 In order to ensure the safety of production and workers , Pressure vessel ( ) Must have enough strength .（ C ）

A、 Important stressed parts

B、 Main supports

C、 Every part

D、 Main components

8、【 Single topic selection 】 In order to obtain high-quality welded joints , The key to argon arc welding of titanium and titanium alloys is to 400℃ Protection of the above areas , There are no special protective measures required ( ).（ D ）

A、 Adopt nozzle and towing cover

B、 When filling with argon or argon - Welding of helium mixture in the tank

C、 Argon filling device is adopted on the back of weldment

D、 In charge CO2 Or argon +CO2 Welding in the gas mixture box

9、【 Single topic selection 】 The cutting torch of the profiling gas cutting machine is ( ) Move , To cut a workpiece of the desired shape .（ D ）

A、 Along the track

B、 According to the drawing

C、 Follow the given procedure

D、 As the magnetic head follows a certain shape

10、【 Single topic selection 】 stay ( ), The cleaned aluminum and aluminum alloy shall be generally in 4h Internal welding .（ D ）

A、 In the environment polluted by acid vapor

B、 In the environment polluted by alkali vapor

C、 In dry air

D、 In a humid environment

11、【 Single topic selection 】《 Regulations on the administration of safe production of construction projects 》 Regulations , Construction unit ( ) Be fully responsible for the work safety of the unit according to law .（ A ）

A、 Principal Responsible Person

B、 Chairman of the board of directors

C、 Person in charge of safety production

D、 The general manager

12、【 Single topic selection 】 Cost accounting in the kitchen is mainly for () Cost accounting .（ D ）

A、 Main ingredient

B、 Supplementary material

C、 seasoning

D、 raw material

13、【 Single topic selection 】 The most suitable concentration of monosodium glutamate is ().（ A ）

A、0.2~0.5%

B、0.6~0.8%

C、0.8~1.0%

D、0.1~0.2%

14、【 Single topic selection 】 When the melting amount of the two base metals is the same , welding 1Cr18Ni9 Stainless steel and Q235 Low carbon steel , Such as ( ), The weld will get martensitic structure .（ C ）

A、 use HOCr26Ni21 Welding wire

B、 use E310-15 Welding rod

C、 No filling material

D、 use E310-16 Welding rod

15、【 Single topic selection 】 In mechanical drawing , The projection law of three views is the main view and top view ( ).（ D ）

A、 Gao pingqi

B、 Equal width

C、 Equal thickness

D、 Long alignment

16、【 Single topic selection 】 The best oil temperature for paper wrapped fried raw materials is ().（ B ）

A、120℃

B、150℃

C、180℃

D、210℃

17、【 Single topic selection 】 Belonging to human endocrine glands ().（ C ）

A、 Islet

B、 ovarian follicle

C、 thymus

D、 Corpus luteum

18、【 Single topic selection 】 There are more than two resistors connected one by one in the circuit , And ( ), This is the resistor in series .（ A ）

A、 The current flowing through these resistors is the same

B、 The current flowing through these resistors is different

C、 The voltage across these resistors is the same

D、 The voltage across these resistors is approximately equal

19、【 Single topic selection 】 The performance test of submerged arc welding machine trolley includes ( ).（ C ）

A、 Arc striking operation performance

B、 Test of output current and voltage

C、 Spreading and recycling of flux

D、 Test of trolley traveling speed

20、【 Single topic selection 】 The requirements for pressure vessels include ( ).（ D ）

A、 plasticity

B、 Thermal conductivity

C、 hardness

D、 Tightness

21、【 Single topic selection 】 The most ideal form of friction between various parts of an automobile engine is ().（ C ）

A、 Dry friction

B、 Semi dry friction

C、 Liquid friction

D、 Semi liquid friction

22、【 Single topic selection 】 When bending the specimen , Should not be ( ).（ C ）

A、 Adopt machining

B、 Grinding is adopted

C、 There are transverse knife marks or scratches

D、 Prevent case hardening or material overheating

23、【 Single topic selection 】 When repairing gray cast iron with non cast iron welding materials , Welds also produce ( ).（ C ）

A、 Cold crack

B、 Lamellar tear

C、 Hot crack

D、 Reheat crack

24、【 Single topic selection 】() Commonly known as arsenic or white arsenic .（ A ）

A、 Arsenic trioxide

B、 Calcium arsenate

C、 Sodium arsenite

D、 Lead arsenate

25、【 Single topic selection 】 The dough prepared by bread and oil noodles with water is ().（ C ）

A、 Sweet crisp pasta

B、 Salty pasta

C、 Crispy pasta

D、 Mixed pastry

26、【 Single topic selection 】 Protective neutral connection is to connect the shell of electrical equipment with () Next to each other .（ C ）

A、 Grounding device

B、 Small resistance

C、 Zero line of system

D、 High resistance of the system

27、【 Single topic selection 】 Bamboo strips used for binding shall be soaked in clean water ( ) Hours .（ C ）

A、4

B、8

C、12

D、16

28、【 Single topic selection 】 The following () It's not that the hydraulic braking system has poor braking 、 The cause of the failure .（ B ）

A、 There is air in the hydraulic braking system

B、 The bypass hole or oil return hole of the master cylinder is blocked

C、 Master cylinder cup 、 The sealing rubber ring is aging 、 Swell or turn over

D、 The brake shoes are excessively worn

29、【 Single topic selection 】 Press ( ) Mass fraction classification of , Carbon steel can be divided into low carbon steel 、 Medium carbon steel and high carbon steel .（ A ）

A、 carbon

B、 iron

C、 silicon

D、 manganese

30、【 Single topic selection 】 oblique Y The restraint weld at both ends of the V-groove butt crack test piece shall be ( ).（ B ）

A、 Titanium calcium electrode

B、 Low hydrogen electrode

C、 Ilmenite type electrode

D、 High fiber potassium electrode

31、【 Single topic selection 】 oblique Y After welding the butt crack specimen with V-groove , Should be ( ) Start the detection and dissection of cracks .( ).（ A ）

A、 the 48 Hours later

B、 immediately

C、 After visual inspection

D、 the X After radiographic inspection

32、【 Single topic selection 】 The purpose of health technology is to improve working conditions 、().（ B ）

A、 Reduce the occurrence of casualty accidents

B、 Prevent the occurrence of occupational diseases

C、 Reduce unnecessary waste

D、 Prevent food poisoning

33、【 Single topic selection 】 The hydrostatic test shall be conducted after the NDT is qualified ; If necessary ( ) The container of , After heat treatment .（ D ）

A、 Composition analysis

B、 Correct the deformation

C、 Performance test

D、 heat treatment

34、【 Single topic selection 】 Generally, the brazing flame of cast iron is gray ( ) As solder .（ C ）

A、 Stainless steel welding wire

B、 Low carbon steel welding wire

C、 Brass welding wire

D、 Cast iron welding wire

35、【 Single topic selection 】 Generic synthetic sweetener , Ann Whole life Pass the production simulation exam at one point , Yes. .（ C ）

A、 Stevioside

B、 Xylitol

C、 Saccharin sodium

D、 malt dust

36、【 Single topic selection 】 Number of impact specimens for welded joints , Press ( ) The location shall not be less than 3 individual .（ D ）

A、 weld line

B、 Fusion line

C、 Heat affected zone

D、 The gap

37、【 Single topic selection 】 The cold spell of the same theme in the layout , Between the main body and the secondary body ().（ A ）

A、 Can replace

B、 Irreplaceable

C、 Cancel the main body

D、 Cancel secondary body

38、【 Single topic selection 】 Number of impact specimens for welded joints , According to the position of the notch, it should be ( )3 individual .（ A ）

A、 Each not less than

B、 Not less than in total

C、 The average is no more than

D、 The average is not less than

39、【 Single topic selection 】 Not easy to rancidity , Yeast with strong fermentation ability is ().（ C ）

A、 Liquid fresh yeast

B、 Pressed fresh yeast

C、 active dry yeast

D、 Pressed dry yeast

40、【 Single topic selection 】 In one color , Add different amounts of () The resulting deep 、 Light different hues are also called similar colors .（ A ）

A、 black 、 white

B、 Three primary colors

C、 Standard color

D、 Pure color

41、【 Single topic selection 】 The types of work at heights are divided into ( ) And special work at heights .（ B ）

A、 Ordinary work at heights

B、 General work at heights

C、 Normal work at heights

D、 All wrong

42、【 Single topic selection 】 The notch of Charpy impact sample of welded joint shall not be opened in..., according to the test requirements ( ) On .（ D ）

A、 weld line

B、 Fusion line

C、 Heat affected zone

D、 Base metal

43、【 Single topic selection 】 Determine product pricing objectives , Must keep the product () Based on the best adaptability to market demand .（ B ）

A、 cost

B、 Price

C、 cost

D、 Taxes

44、【 Single topic selection 】() It is not the main reason for the phenomenon of high-speed swing .（ D ）

A、 Front tire repair 、 The front wheel rim is deformed 、 The shortage of front hub bolts causes dynamic imbalance

B、 Failure of damper , The elasticity of the front steel plate is inconsistent

C、 The frame is deformed or the rivets are loose

D、 Toe in too large 、 Camber angle 、 Kingpin caster angle decreases

45、【 Single topic selection 】 Oil production in high temperature season “ Harrumi ”, This is the reason why grease occurs .（ B ）

A、 Enzymatic hydrolysis

B、 rancid

C、 Hydrolysis

D、 decompose

46、【 Single topic selection 】 When the cook selects the tool , Consider its () And geometry , Try to match the operator , To reduce labor injury .（ D ）

A、 size

B、 Sharpness

C、 Processing purposes

D、 weight

47、【 Single topic selection 】 Water surface dough and oil dough are inside and outside each other ,() "Stack..." , It is one of the reasons for the formation of clear layers of crisp dough .（ D ）

A、 at will

B、 arbitrarily

C、 No rules

D、 Regular pattern

48、【 Single topic selection 】 Sauce dishes are () Of , So try to choose the degree of tenderness 、 Cooked with ingredients of similar size .（ D ）

A、 Quantitative production

B、 Fixed point production

C、 Single production

D、 Volume production

49、【 Single topic selection 】 Charpy impact test of welded joint is used to determine the strength of each area of welded joint ( ).（ A ）

A、 Shock absorption energy

B、 Strength

C、 plasticity

D、 hardness

50、【 Single topic selection 】EFI The system is divided into... According to the fuel injection mode () Two kinds of .（ B ）

A、 Direct injection into the cylinder or injection into the intake manifold

B、 Continuous injection mode or intermittent injection mode

C、 Single point injection or multi-point injection

D、 Direct measurement and indirect measurement

51、【 Single topic selection 】 The national standard for bending test of welded joints is applicable to the welding of fusion welding and pressure welding ( ).（ A ）

A、 Butt joint

B、 Lap joint

C、T Type a joint

D、 Corner joint

52、【 Single topic selection 】 Welding rod arc welding hot welding method is generally not used for welding repair of gray cast iron ( ) Casting of .（ C ）

A、 Processing is required after welding

B、 The color shall be consistent

C、 Simple structure

D、 The weld repair is rigid and easy to crack

53、【 Single topic selection 】 When repairing cast iron , The purpose of using the heating stress reduction zone method is to ( ).（ A ）

A、 Reduce welding stress , Prevent cracks

B、 Prevent the formation of white cast iron structure

C、 Get high strength welds

D、 Get a weld with high plasticity

54、【 Single topic selection 】《 Safe production method 》 It stipulates the rights and obligations of employees , Of the following options, those that are obligatory for practitioners are ( ).（ D ）

A、 Put forward suggestions on the safety production work of the unit

B、 Refuse to command operations against rules and force risky operations

C、 Damaged , Claim for compensation may be made to the unit

D、 Report the potential accident hazards and unsafe factors

55、【 Single topic selection 】 Make ’ Safety student Production simulation exam A little ' When filling with dried fruit , The following operation is wrong ().（ C ）

A、 When heating brown sugar , Melt all the brown sugar

B、 When boiling sugar, boil the sugar deeper

C、 After the processed dry fruit filling is completely cooled , Proceed to the next step

D、 Heat the dry fruit filling over medium heat and stir constantly

56、【 Single topic selection 】 Pearlitic steel and austenitic stainless steel are made of E309-15 Electrode butt welding , Special attention should be paid to ( ).（ D ）

A、 Reduce the width of the heat affected zone

B、 Reduce weld reinforcement

C、 Reduce the weld forming factor

D、 Reduce the melting amount of pearlite steel

57、【 Single topic selection 】 Due to the low melting point of aluminum , Low strength at high temperature , and ( ) Therefore, it is easy to collapse during welding .（ D ）

A、 Strong ability to dissolve hydrogen

B、 Strong chemical binding with oxygen

C、 Low melting eutectic is more

D、 There is no significant color change when melting

58、【 Single topic selection 】 Mobile pressure vessel , Including railway tank cars 、 Tank car, etc 《 Tolerance rules 》 Within the scope of application ( ) One of the pressure vessels .（ D ）

A、 The second category

B、 Fourth category

C、 The first category

D、 The third category

59、【 Single topic selection 】 The combination of dishes with multiple main ingredients means that the number of main ingredients in dishes is two or more , nothing () The difference , The weight of each main material is basically the same .（ A ）

A、 Any accessories

B、 Main and auxiliary condiments

C、 Any seasoning

D、 Main seasoning

60、【 Single topic selection 】 Use the lamp test method to detect the engine ignition system fault , should ().（ A ）

A、 One end is connected to the electrical equipment terminal , The other end is connected to the vehicle body

B、 One end is connected to the start switch , The other end is connected to the ignition coil “ Ten ” Terminal

C、 One end is connected to the battery , One end is connected to the vehicle body

D、 None of the above is true

61、【 Single topic selection 】 For larger crisp products , In order to prevent affecting the looseness of the product , Should be ().（ D ）

A、 Prick some eyes before baking

B、 Open the oven door when baking

C、 Bake with high heat

D、 The temperature of the fire during baking

62、【 Single topic selection 】 The number of tensile specimens of pipe joints shall not be less than ( ).（ B ）

A、1 individual

B、2 individual

C、3 individual

D、5 individual

63、【 Single topic selection 】 Red copper gas welding , Ask for · Safety production simulation Pass the exam at one o'clock · use ( ).（ A ）

A、 Neutral flame

B、 Carbonization flame

C、 Oxidation flame

D、 Weak oxidation flame or carbonization flame

64、【 Single topic selection 】 The weldment shall be preheated before red copper welding , Generally, the flame energy rate higher than that of low carbon steel should be selected during gas welding , The reason is ( ).（ C ）

A、 Improve the strength of welded joints

B、 Prevent evaporation of zinc

C、 Red copper has good heat conduction and is difficult to fuse

D、 Prevent cold cracks

65、【 Single topic selection 】 Fluorescent flaw detection , Due to the action of fluorescent liquid and developer , Strong fluorescence appears at the defect , according to ( ) Different , The location and size of the defect can be determined .（ D ）

A、 The time the light stays

B、 The color of light

C、 The wavelength of light

D、 How luminous

66、【 Single topic selection 】 The best sauce type for oil explosion sauce should be vertical sauce .（ C ）

A、 Hard Gorgon

B、 Thicken with soft sauce

C、 Thicken with sauce

D、 Rice soup and Gorgon sauce

67、【 Single topic selection 】 use ( ) Electrode welding 1Cr18Ni9 Stainless steel and Q235 Mild steel , If the fusion ratio is 40% when , Then the weld contains 2% Austenite of ferrite + Ferrite duplex .（ C ）

A、E5015

B、E310-15

C、E309-15

D、E308-16

68、【 Single topic selection 】 Before TIG welding, ignite the arc and then , The arc does not move vertically on the workpiece , Observe the color around the melting point , It's to check ( ).（ A ）

A、 Cathodic fragmentation

B、 Tungsten electrode melting

C、 Airflow protection effect

D、 Arc stability

69、【 Single topic selection 】 When changing to winter maintenance , Adjust the spark plug gap of gasoline engine （ If adjustable ） Make it ().（ B ）

A、 Bigger

B、 smaller

C、 unchanged

D、 All the answers are right

70、【 Single topic selection 】 Generally speaking , The overall shape of the fat cake is made of () Decisive .（ D ）

A、 Characteristics of products

B、 The size of the baking tray

C、 Forming method

D、 Mold shape

71、【 Single topic selection 】 The reason why AC welding is used in tungsten argon arc welding of aluminum and aluminum alloy is ( ).（ D ）

A、 Stable arc and good welding quality

B、 Simple equipment and low cost

C、 It is conducive to droplet transfer and small spatter ,

D、 It can break the cathode and prevent the tungsten electrode from melting

72、【 Single topic selection 】 Same specification 、 Quality raw materials , Due to different processing technologies , Yield of raw materials ().（ D ）

A、 identical

B、 unchanged

C、 Certain reduction

D、 Not necessarily the same

73、【 Single topic selection 】 Cast iron ( ) when , The groove area must be greater than 8cm2.（ A ）

A、 Thermal welding

B、 Semi hot welding

C、 Cold welding

D、 Wire planting welding

74、【 Single topic selection 】 The working conditions of boiler and pressure vessel do not include ( ).（ A ）

A、 Time

B、 Working load

C、 temperature

D、 medium

75、【 Single topic selection 】 Breast beauty in breast beauty cosmetics () Suitable for oily skin .（ C ）

A、 frost

B、 oil

C、 Gel: Set & Match

D、 cream

76、【 Single topic selection 】 The rated working pressure marked on the boiler nameplate refers to the working pressure of the boiler ( ) working pressure .（ A ）

A、 Design

B、 The highest

C、 Average

D、 Calculation

77、【 Judgment questions 】() The country is ‘ Safe production Mock exam One Diantong ‘ The daily working hours of migrant workers shall not exceed 8 Hours , The average working time per week does not exceed 44 The hour system .（ √ ）

78、【 Judgment questions 】() Oil pipe blockage will not cause unstable idle speed of the engine .（ × ）

79、【 Judgment questions 】() The preparation of fat cake batter mostly adopts step-by-step stirring method .（ × ）

80、【 Judgment questions 】 The cold dish is made in the knife technique , In addition to mastering general Sabre techniques , Also master the art of beautifying knives and carving knives .（ √ ）

81、【 Judgment questions 】() Button is to put the raw materials used in dishes in the bowl at will , When ripe, pour into the container , The technique of making it have beautiful patterns .（ × ）

82、【 Judgment questions 】 Setting out must also be carried out before cutting with the numerical control gas cutting machine 、 Scribing, etc .（ × ）

83、【 Judgment questions 】 The distance between inflammables and explosives and the cutting site of gas cutting machine shall be 5 Meters away .（ × ）

84、【 Judgment questions 】 Red crab or safflower crab belongs to sea crab , From the first month to the Qing Dynasty “ Security Production simulation test 1 Diantong “ Bright and good quality .（ √ ）

85、【 Judgment questions 】() Although sebaceous glands are all over the body , But only the head and face .（ × ）

86、【 Judgment questions 】 After the dishes are thickened , Glutathione in starch protects vitamins C.（ √ ）

87、【 Judgment questions 】() Sweat gland secretions contain water 、 protein 、 sugar 、 Amino acids, .（ × ）

88、【 Judgment questions 】() Irrigation of vegetable fields with human and animal manure can seriously pollute parasitic eggs .（ √ ）

89、【 Judgment questions 】 By Salmonella 、 Staphylococcus aureus is a kind of bacterial food poisoning .（ √ ）

90、【 Judgment questions 】 The power supply of the generator set cannot operate in parallel with the external power line .（ √ ）

91、【 Judgment questions 】 When reading drawings , Yes, fuzzy 、 If there are problems, you can modify the drawings according to your own ideas .（ × ）

92、【 Judgment questions 】() The fruits of all melons and vegetables belong to berries .（ × ）

93、【 Judgment questions 】() Observing customers is identifying customers , The premise of emotional interaction with customers .（ √ ）

94、【 Judgment questions 】 Juice used to adjust the taste of dishes , It must be heated and eaten .（ × ）

95、【 Judgment questions 】 The bird's nest with good hair should be white in color , The texture is soft and unremitting , The impurities , No swallow hair .（ √ ）

96、【 Judgment questions 】 The national standard for bending test of welded joints is applicable to butt joints of fusion welding and pressure welding .（ √ ）

97、【 Judgment questions 】 When welding gray cast iron with electrode arc welding and thermal welding , High thermal stress , Welded joints are prone to cracks .（ × ）

98、【 Judgment questions 】 The harm of electric current to human body can be in the form of electric shock 、 Electric injury 、 Electromagnetic fields can cause physical damage 、 noise 、 Rays, etc .（ × ）

99、【 Judgment questions 】 Copper and copper alloy workpieces are easy to adopt all position welding .（ × ）

100、【 Judgment questions 】 High pressure vessel is 《 Tolerance rules 》 One of the third type of pressure vessels within the scope of application .（ √ ）

Support accurate welding in all regions of the country （ senior ） Examination questions , Support safety certificate , Special operation certificate , Exercises on the question bank of vocational skill appraisal and other types of work .