2022 machine fitter (Advanced) test question simulation test question bank simulation test platform operation

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

2022 Mechanical fitter （ senior ） The operation test questions are machine fitter （ senior ） The test 100 Question bank of the new textbook outline ！2022 Years of mechanical fitter （ senior ） Test question simulation test question bank simulation test platform operation according to machine fitter （ senior ） examination syllabus . Mechanical fitter （ senior ） The simulated examination question bank exercises through the intelligent question bank through the safety production simulated examination .

1、【 Single topic selection 】() Mainly to increase the outer diameter , Compensate for wear size .（ C ）

A、 machining

B、 Extrusion

C、 Expansion method

D、 Upsetting method

2、【 Single topic selection 】() This will cause the pressure control valve to fail , The hydraulic system does not cycle correctly , The moving parts do not move or the moving speed decreases .（ A ）

A、 Not enough pressure

B、 Hydraulic pump suction

C、 noise

D、 Mechanical vibration

3、【 Single topic selection 】() Contract refers to the contract concluded by the parties on the transfer of patent right .（ A ）

A、 Technology transfer

B、 technical service

C、 Technical consulting

D、 technological development

4、【 Single topic selection 】() It refers to the working object in the assembly process , Orderly transfer from one worker to another .（ B ）

A、 Component assembly

B、 Mobile assembly

C、 Fixed assembly

D、 General Assembly

5、【 Single topic selection 】() It is suitable for DC motors with small capacity and infrequent start .（ C ）

A、 Direct start

B、 Depressurization start

C、 Start the rheostat in series in the armature circuit

D、 Autotransformer start

6、【 Single topic selection 】8000 Series rolling bearings refer to ().（ D ）

A、 Deep groove ball bearing

B、 Angular contact ball bearing

C、 Tapered roller bearing

D、 Thrust ball bearing

7、【 Single topic selection 】T68 Horizontal boring machine () When testing , The unevenness of the finish turning end face is only allowed to be concave .（ C ）

A、 Dimensional accuracy

B、 Geometric precision

C、 Working accuracy

D、 Rotation accuracy

8、【 Single topic selection 】 The following description belongs to the inspection of the hydraulic system of the machine tool in the medium repair of the equipment ().（ D ）

A、 Observe whether the oil flow is sufficient through the oil window

B、 Check the linoleum 、 Oil line 、 Oil quantity and quality of oil ring

C、 There should be oil film on the sliding guide surface

D、 Check whether the system oil temperature is normal

9、【 Single topic selection 】 The common temperature for cold treatment is ()oC.（ B ）

A、-70～-60

B、-80～-60

C、-90～-70

D、-100～-70

10、【 Single topic selection 】 The purpose of labor contract conclusion is ().（ D ）

A、 Convenient and quick

B、 Consider comprehensive

C、 Easy to operate

D、 legal

11、【 Single topic selection 】 After reasonable selection of metal materials for precision parts , It is necessary to select a reasonable one according to the needs of the parts ().（ B ）

A、 Processing technology

B、 Heat treatment process

C、 manufacturing process

D、 Surface treatment process

12、【 Single topic selection 】 High altitude operation in strong wind ： In a gust of wind （） Work at heights above grade .（ C ）

A、4

B、5

C、6

D、7

13、【 Single topic selection 】 The qualifications of the personnel participating in the assessment of special construction operations shall be （）（ B ）

A、 Primary school and above

B、 Junior high school or above

C、 High school and above

D、 College or above

14、【 Single topic selection 】 according to “ About implementation 《 Safety management regulations for divisional and subdivisional works with high risk 》 Notice about the problem ” Regulations , The acceptance personnel of dangerous and large projects do not include （）.（ C ）

A、 Technical director of general contractor and subcontractor

B、 Project leader

C、 Professional and technical personnel

D、 Full time safety production management personnel of the project

15、【 Single topic selection 】 The type of work most likely to cause benzene poisoning in construction is （）.（ A ）

A、 painter

B、 Bricklayer

C、 Waterproof worker

D、 electric welder

16、【 Single topic selection 】 When detecting the Perpendicularity Error of transverse guide rail and longitudinal guide rail of cylindrical grinder bed , Start with the of the scraped transverse guide rail Single V Type guide rail as the benchmark , Make the working surface of the square square parallel to it and fix it . Then measure the single length of the longitudinal guide rail V The error of the working surface perpendicular to the box angle ruler , The error value is the Perpendicularity Error of the two groups of guide rails .（ B ）

A、 Straightness

B、 Parallelism

C、 verticality

D、 Flatness

17、【 Single topic selection 】 The depth of various openings near the safety passage and the site is （　　） Holes more than meters , In addition to setting protective facilities and safety signs , A red light should also be set at night .（ C ）

A、3

B、1

C、2

D、5

18、【 Single topic selection 】 The safety production responsibility system is the most basic part of the safety production system 、 The most important system , The essence of which is （）.（ B ）

A、 Safety in production is more important than Mount Tai

B、 Safe production , Everyone is responsible.

C、 Develop and implement safety management system

D、 Production management must be in charge of safety

19、【 Single topic selection 】 In drilling , Generally, the machining diameter is in () Holes less than mm , It's called a small hole .（ C ）

A、1

B、2

C、3

D、4

20、【 Single topic selection 】 In the working principle of hydrostatic bearing , When the spindle is under external load , Oil chamber 1 The oil return clearance increases ,.（ C ）

A、 The oil return resistance decreases , The oil chamber pressure decreases

B、 The oil return resistance decreases , The oil chamber pressure increases

C、 The oil return resistance decreases , The oil chamber pressure decreases

D、 The oil return resistance decreases , The oil chamber pressure increases

21、【 Single topic selection 】 The overhanging length of the overhanging operation platform should not be greater than （）.（ A ）

A、5m

B、7m

C、9m

D、10m

22、【 Single topic selection 】 The signs of vehicles transporting dangerous goods on roads are divided into （）.（ B ）

A、 Sign lines and signboards

B、 Signboards and lights

C、 Sign lines and lights

D、 Signboards and sign maps

23、【 Single topic selection 】 Safety inspection is a () Strong and meticulous work .（ A ）

A、 technical

B、 Management

C、 planned nature

D、 Organization

24、【 Single topic selection 】（　　） The work done by pushing free electrons to move in a directional direction , It's called electric work .（ B ）

A、 voltage

B、 electric current

C、 Electric field force

D、 pressure

25、【 Single topic selection 】 The following describes the main functions of the lifting torque limiter （） That's right. .（ B ）

A、 Limit the slewing radius of tower crane

B、 Prevent overload of tower crane

C、 Limit the lifting speed of tower crane

D、 Prevent the tower crane from derailing

26、【 Single topic selection 】 Safety inspection is to promote enterprises to do well () Important methods of work .（ B ）

A、 The enterprise management

B、 labor protection

C、 Enterprise technology

D、 Enterprise security

27、【 Single topic selection 】 Personnel engaged in special construction operations , The basic conditions that should be met do not include （　）.（ D ）

A、 Over the age of 18 One year old and meet the age requirements of corresponding special operation regulations

B、 Within the past three months, they have passed the physical examination in hospitals above grade II B, and there are no diseases and physiological defects that hinder them from engaging in corresponding special operations

C、 Junior high school or above

D、 Have the operation experience of corresponding ordinary type of work

28、【 Single topic selection 】 On the guide rail surface (), It is usually made of rod-shaped electric graphite .（ C ）

A、 Temper

B、 Anneal

C、 quench

D、 Normalize

29、【 Single topic selection 】 The Department responsible for the supervision and administration of work safety shall establish （） Public reporting telephone number 、 Mailbox or email address , Accept reports about work safety .（ B ）

A、 Supervision system

B、 Reporting system

C、 Supervision and reporting system

D、 Mass prevention and mass governance system

30、【 Single topic selection 】 The level of balance accuracy is 11 Kind of ,G0.4 For the most advanced ,() Is the lowest level .（ C ）

A、G0.4

B、G1600

C、G4000

D、G6000

31、【 Single topic selection 】 Which of the following statements about the main functions of the lifting torque limiter is correct ?（）（ B ）

A、 Limit the slewing radius of tower crane

B、 Prevent overload of tower crane

C、 Limit the lifting speed of tower crane

D、 Prevent the tower crane from derailing

32、【 Single topic selection 】 The upper hole of single-phase three hole socket is connected （　　）.（ C ）

A、 Zero line

B、 Phase line

C、 Ground wire

D、 Fire line

33、【 Single topic selection 】 A production safety accident occurred at a construction site , cause 5 People are seriously injured 、 Direct economic loss reporting reaches 1000 Ten thousand yuan . according to 《 Regulations on investigation and handling of production safety accidents 》 The provisions of the , This accident should be caused by （） Responsible for investigation .（ B ）

A、 The State Council

B、 The people's government at the municipal level divided into districts where the accident occurred

C、 The people's government at the county level where the accident occurred

D、 The provincial people's Government where the accident occurred

34、【 Single topic selection 】 When the air is mixed into the hydraulic oil , Part of it dissolves in pressure oil , Big ’ Security Production simulation test a little through ’ Some bubbles form and float in the pressure oil , Make the pressure oil have (), Drive rigidity decreases , Crawling .（ A ）

A、 Compressibility

B、 It must be

C、 Mobility

D、 A certain pressure

35、【 Single topic selection 】 Construction in the tunnel , The voltage of lighting power supply shall not be greater than （　　）.（ A ）

A、36V

B、24V

C、12V

D、6V

36、【 Single topic selection 】 The wall thickness of brick furnace shall not be less than （　　）.（ C ）

A、10cm

B、25cm

C、30cm

D、20cm

37、【 Single topic selection 】 The following items that do not belong to the evaluation and evaluation items of safety management on the construction site are （）.（ D ）

A、 Safety production responsibility system

B、 Safe and civilized fund guarantee system

C、 Safety education and training system

D、 Construction organization design

38、【 Single topic selection 】 In our country 《 Law on the prevention and control of environmental noise pollution 》 Regulations , It is necessary to emit occasional strong noise when engaging in production activities within the city , The approval unit shall be local ().（ A ）

A、 police

B、 Competent department of environmental protection

C、 The health sector

D、 The people's government

39、【 Single topic selection 】 It is strictly forbidden for construction personnel to climb over the wall when entering and leaving the construction site 、 Cross the guardrail and climb the scaffold , Access to the construction area must take （）（ D ）

A、 Sidewalk and horse road

B、 Underground passage

C、 Scaffolding voids

D、 Emergency Access

40、【 Single topic selection 】 The purpose of manufacturing mechanical parts is to ensure the minimum production cost and the highest labor productivity , Produce products that meet all requirements of product drawings ().（ B ）

A、 Partially Prepared Products

B、 finished product

C、 parts

D、 Assembly parts

41、【 Single topic selection 】 The wear of the drum wall reaches... Of the original wall thickness （　　） It should be scrapped .（ B ）

A、5%

B、10%

C、15%

D、20%

42、【 Single topic selection 】 Before each use of insulating appliances, they must be checked , Found to have () Do not use .（ D ）

A、 rupture

B、 Slight wear

C、 Leak

D、 Air leakage and rupture

43、【 Single topic selection 】 Hydraulic pump parts are worn , Can not form rated ().（ B ）

A、 Flow and power

B、 Flow and pressure

C、 Pressure and power

D、 Speed and power

44、【 Single topic selection 】《 Regulations on the administration of work safety license of construction enterprises 》 Pointed out that , The State implements the policy of （） The system .（ A ）

A、 Work safety license

B、 Closed management

C、 Mass prevention and mass governance

D、 Safety production education

45、【 Single topic selection 】 Spark hardening process , Short discharge time , The area of discharge point is small , And limited to ().（ C ）

A、 Alloy steel

B、 Ordinary carbon steel

C、 workpiece surface

D、 Inside the workpiece

46、【 Single topic selection 】 The safety supervision and Administration Department of special equipment found a violation of 《 Regulations on safety inspection of special equipment 》 There are hidden dangers in the behaviors specified in the regulations and safety technical specifications or the special equipment in use , Those that do not meet the energy efficiency index , Should take （） Issue special equipment safety supervision instructions , Order relevant units to take measures in time , Correct or eliminate the potential accident .（ D ）

A、 Oral form

B、 Letter form

C、 Form of announcement

D、 Written form

47、【 Single topic selection 】 The starting of DC motor usually has () Ways of planting .（ A ）

A、2

B、3

C、4

D、5

48、【 Single topic selection 】 The machining accuracy and service life of precision machine tools depend on the accuracy of precision parts ().（ C ）

A、 Working accuracy

B、 Geometric precision

C、 Manufacturing and assembly accuracy

D、 Installation and working accuracy

49、【 Single topic selection 】 The production and business operation unit is responsible for safe production （）, It shall bear the main responsibility for the safety production of the unit .（ B ）

A、 The main body

B、 Subject of responsibility

C、 Responsible unit

D、 The first responsible person

50、【 Single topic selection 】 The construction unit shall, in accordance with the provisions of relevant national fire control regulations and construction project safety production regulations , Establish fire protection organization on the construction site , Develop fire fighting and emergency evacuation plans , And at least every （） Organize a drill .（ D ）

A、 Two years

B、 One and a half years

C、 A year

D、 Half a year

51、【 Single topic selection 】 The teams responsible for the repair work are divided into... According to the nature of the work () Two categories: .（ A ）

A、 Maintenance and overhaul

B、 Maintenance and minor repairs

C、 Maintenance and intermediate repair

D、 Minor repair and medium repair

52、【 Single topic selection 】 When the safety operation regulations for riggers stipulate the use of rollers , The diameter of the roller should be the same , The length should not exceed both ends ()m.（ A ）

A、0.5

B、0.8

C、1

D、1.2

53、【 Single topic selection 】 When drilling , Using the optical gap method, the perpendicularity error between the workpiece processing surface and the spindle can be detected .（ C ）

A、 Straight edge and feeler gauge

B、 Ruler and micrometer

C、 Square and feeler gauge

D、 Square and micrometer

54、【 Single topic selection 】 The allowable voltage loss of lines in general lighting places is... Of the rated voltage （　　）.（ B ）

A、±10%

B、±5%

C、±15%

D、±20%

55、【 Single topic selection 】 When inspecting the steel wire rope of the hanging basket for work at heights , Not only to test its quality , Whether the specification, model and solidarity mode meet the requirements , The safety factor shall also be calculated as （） And shall not be less than （）.（ D ）

A、 Rated load capacity / Breaking force of steel wire rope ,6

B、 Rated load capacity / Breaking force of steel wire rope ,9

C、 Dead weight and rated load of hanging basket / Breaking force of steel wire rope ,6

D、 Dead weight and rated load of hanging basket / Breaking force of steel wire rope ,9

56、【 Single topic selection 】 When driving the roller , driver （　　）（ C ）

A、 Put your head out of the car

B、 Put your hand out of the car

C、 head 、 hand 、 Feet and other limbs shall not stretch out of the car

D、 You can leave the steering wheel with both hands

57、【 Single topic selection 】 according to 《 Safe production method 》, Production and business operation entities shall register and file major hazard installations , Conduct regular testing 、 assessment 、 monitor , And formulate an emergency plan , Inform employees and relevant personnel that they should （）.（ A ）

A、 Emergency measures taken

B、 Reduce losses

C、 Protect life

D、 Report to relevant departments in time

58、【 Single topic selection 】 The height of work at height is （） when , It is called class I work at heights .（ B ）

A、2 Meters above

B、2 Meters to 5 rice

C、2 Meters to 7 rice

D、7 Meters above

59、【 Single topic selection 】 When drilling intersecting holes , When holes and holes are about to be drilled through () Feed rate , Or use manual feed , Avoid breaking the drill bit or causing hole deflection .（ B ）

A、 increase

B、 Reduce

C、 Remain unchanged

D、 continuity

60、【 Single topic selection 】 The casting process is () Manufacturing is often used and selected .（ B ）

A、 Shaft parts

B、 Precision parts

C、 Gear parts

D、 Box parts

61、【 Single topic selection 】 The senior engineer shall specify the purpose of guiding the operation , have . Safety student Production simulation exam A little . Guide junior workers in this major 、, Safe production simulation Pass the exam at one o'clock , Intermediate workers carry out (), And master the methods to guide the operation .（ D ）

A、 Lecture on the spot

B、 Professional teaching

C、 Class teaching

D、 Ability to operate

62、【 Single topic selection 】 Available frequencies of high frequency induction quenching equipment ()kHz, The output power is 60KW Lamp heating equipment .（ A ）

A、200～300

B、250～350

C、300～400

D、350～450

63、【 Multiple choice 】 Production safety accidents can be divided into （）.（ ABCE ）

A、 General accidents

B、 Major accident

C、 Major accident

D、 Minor accident

E、 Extraordinarily serious accident

64、【 Judgment questions 】 For the use of drilling machines 、 Operators at the side of milling machine and conveyor and parts with pinch risk must use protective gloves .（ × ）

65、【 Judgment questions 】() Universal tool microscope is mainly used to measure the length, size and geometry of mechanical tools and parts .（ √ ）

66、【 Judgment questions 】 The project supervisor believes that the project does not meet the engineering design requirements 、 Construction technical standards and contract agreement , Have the right to require the construction enterprise to rectify .（ √ ）

67、【 Judgment questions 】 The regular assessment results of passenger drivers' professional behavior shall be linked with the enterprise's safety production reward and punishment system .（ √ ）

68、【 Judgment questions 】() After the three-phase motor is started , If the motor does not rotate and makes a buzzing sound, it may be out of phase , Disconnect the power supply immediately , Find cause .（ √ ）

69、【 Judgment questions 】 During the maintenance of the construction elevator , Do not carry irrelevant personnel .（ √ ）

70、【 Judgment questions 】 Crawler crane shall operate on flat and solid ground 、 Walking and parking , During normal operation , The slope shall not be greater than 3 degree .（ √ ）

71、【 Judgment questions 】 On the way to work , Traffic accidents or urban rail transit that are not my main responsibility 、 Passenger ferry 、 The train accident hurt , It shall not be recognized as work-related injury .（ × ）

72、【 Judgment questions 】 Construction practitioners should earnestly implement “ Safety first ”、“ Prevention first ” Of ’ Ann Full production Mock exam 1 Diantong ’ guidelines , Strengthen safety management , To achieve safe production .（ × ）

73、【 Judgment questions 】 Each electric equipment shall be equipped with its own special switch box , implement “ One machine, one switch ” system , It is forbidden to use the same switch to directly control two or more electrical equipment （ Without socket ）.（ × ）

74、【 Judgment questions 】 It is forbidden to work after drinking at the construction site , Except ethnic minorities .（ × ）

75、【 Judgment questions 】 It is forbidden to use fire or open fire for heating in the color steel plate movable room .（）（ √ ）

76、【 Judgment questions 】() Common steering mechanisms include Samsung gear steering mechanism and bevel gear steering mechanism .（ × ）

77、【 Judgment questions 】() The necessary and sufficient geometric condition for the balance of plane intersection force system is that the force polygon composed of each force in the force system is closed by itself .（ √ ）

78、【 Judgment questions 】 The general plane exceeds 1200㎡ Large temporary facilities , No less than 2 Grab the bucket 、 Fire milling 、 Fire hook .（ × ）

79、【 Judgment questions 】《 Regulations on reporting, investigation and handling of production safety accidents 》 Regulations , The accident unit shall, in accordance with the official reply of the people's Government in charge of the accident investigation , Deal with the personnel responsible for the accident of the unit .（）（ √ ）

80、【 Judgment questions 】 The lifting rope can be installed and used by the operator .（ × ）

81、【 Judgment questions 】 Enter the confined space for work at heights , After handling the permit to work in confined space , The permit for work at heights is not required .（ × ）

82、【 Judgment questions 】 Dangerous goods transport vehicles after unloading ” Safety production simulation test Try a little through ” Activities such as emptying should be carried out directly .（ × ）

83、【 Judgment questions 】 The grading gradient of soil slope shall be based on the engineering geology and the height of soil slope , It is determined in combination with the stable slope value of local similar soil mass .（）（ √ ）

84、【 Judgment questions 】 Temporary suspension of construction on the construction site , The supervision unit shall do a good job in site protection .（）（ × ）

85、【 Judgment questions 】() The dimension group composed of relevant dimensions that affect a certain assembly accuracy is called assembly dimension chain .（ √ ）

86、【 Judgment questions 】《 Regulations on safety supervision of special equipment 》 It is applicable to the installation of hoisting machinery used in housing construction site and municipal construction site 、 Supervision and management of use .（ × ）

87、【 Judgment questions 】 Operators do not wear safety belts 、 The material of steel pipe fastener is unqualified 、 If the fasteners are not tightened, the scaffold is erected 、 Remove common hazard sources （ √ ）

88、【 Judgment questions 】 Manual demolition is applicable to small-sized buildings , Mechanical equipment and auxiliary facilities that can be handled manually .（ √ ）

89、【 Judgment questions 】() The so-called eccentricity is the distance between the mass center of the rotating part and the rotation center . therefore , Eccentric speed refers to the vibration speed of the center of gravity of the rotating part during rotation .（ √ ）

90、【 Judgment questions 】() According to the different shape of thread contour , It can be divided into single thread and multi thread .（ × ）

91、【 Judgment questions 】() Hydraulic pump parts are worn , Cannot form rated flow and pressure .（ √ ）

92、【 Judgment questions 】 The feeding port of the material elevator shall be hung with no riding signs and load limit warning signs .（）（ √ ）

93、【 Judgment questions 】() The load test of the hydraulic system shall be carried out when the load is higher than the maximum load , After everything is normal, the maximum load test can be carried out .（ × ）

94、【 Judgment questions 】() Penetrant method can only detect surface opening defects , Testing of porous materials is still difficult , No defect depth indication .（ √ ）

95、【 Judgment questions 】() Hot working process does not belong to metal forming process .（ × ）

96、【 Judgment questions 】() The magnification of the precision level telescope is not less than 30 times .（ × ）

97、【 Judgment questions 】() Insulation must be tested annually 1 One withstand voltage test , It is not allowed to use without factory certificate .（ × ）

98、【 Judgment questions 】 When the grinding head spindle and bearing bush are excessively worn （ The grinding amount is greater than 0.1mm） Resulting in the rigidity of the spindle 、 hardness , When the bearing capacity of the oil film is seriously affected , Replace the main shaft and bearing bush .（ √ ）

99、【 Judgment questions 】 The oxygen cylinder must not contact with the pliers wire or grounding wire of the electric welding machine .（ √ ）

100、【 Judgment questions 】 When grinding high speed steel precision reamer , The oxide abrasive can be mixed with water to form paste as abrasive .（ × ）

Support accurate machine repair fitters 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 .