Source of question bank: Safety Production Mock Test Yidiantong official account applet
The 2022 chemical automation control instrument operation certificate exam questions are the new version of the chemical automation control instrument review question bank! The 2022 chemical automation control instrument exam question bank and online mock exam are based on the new version of the chemical automation control instrument exam question bank. All test question banks for chemical automation control instruments can check the learning results in advance according to the safety production simulation test.
1. [Multiple choice question] In the CENTUMCS3000R3 system, the function of () in the control station KFCS is used to connect the local node and the remote node. (A)
A. ER bus
B. ESB bus
C. Vnet bus
2. [Multiple choice questions] In the CENTUMCS3000 system, PH is (). (B)
A, given value
B, high report set value
C. output value
3. [Multiple choice question] In the CENTUMCS3000 system, the () operation cannot be performed on the control group screen. (C)
A. Modify the control mode MODE
B. Modify the SP value
C, check the status of the process point
4. [Multiple choice question] The fire extinguishing range of the MY5 portable 1211 fire extinguisher is () m. (B)
A、3
B、2
C、4.5
5.【单选题】Which of the following options does not belong to the role of lubricants is ( ). (B)
A. Lubrication
B. Waterproof
C. to cool
6.【单选题】Which of the following statements is correct? (B)
A. The size of the output signal of the valve positioner is proportional to the size of the input signal
B. The input signal and the output of the valve positioner are not necessarily the same
C. The stroke of the valve stem is proportional to the output signal of the valve positioner
7.【单选题】The basic methods of heat transfer are conduction, convection, and ( ). (C)
A. Forced convection
B) natural convection
C. Radiation
8. [Multiple choice question] The split-range control loop can be divided into ( ) in terms of the opening and closing type of the control valve. (B)
A. One
B. two
C. Three
9. [Multiple choice question] The advantage of the () control system of the heating furnace is that when the fuel oil flow changes and does not affect the furnace outlet temperature, the auxiliary circuit will be controlled first to eliminate the interference of the fuel oil. (B)
A, temperature - temperature cascade
B, temperature-flow cascade
C, temperature-pressure cascade
10.【单选题】Which of the following is a relatively uncommon valve in chemical plants? (A)
A. Plug valve
B. Ball valve
C. Gate valve
11. [Multiple choice question] The International Electrotechnical Commission (IEC) IEC61508 standard divides the safety level of the safety instrumented system into 4 levels, of which the average probability of SIL4 level failure danger per year is between ( ). (A)
A、0.00001-O.000001
B、0.0001-O.00001
C、0.001-O.0001
12. [Multiple choice question] The standard throttling device pressure taking method specified in GB/T2624-93 is: standard orifice plate can be used to take pressure and flange to take pressure. (B)
A. Ring room
B. Corner connection
C. Drilling alone
13. [Multiple choice question] The safe voltage for working in a wet container is ()v. (C)
A、36
B、24
C、12
14. [Multiple choice question] For the equal percentage characteristic valve, the maximum opening and the minimum opening should be (). (B)
A、≤80%,≥30%
B、≤90%,≥30%
C、≤80%,≥10%
15. [Multiple choice question] The absolute value of the variation during calibration of the differential pressure transmitter should not exceed the maximum (). (A)
A, allowable error value
B. Relative error value
C, deviation value
16.【单选题】A current that changes in direction and size alternately is called ( ) current. (B)
A. Direct current
B. to communicate
C. Period
17.【单选题】The formula for Ohm's law is ( ). (C)
A、U=R/I
B、I=RU
C、I=U/R
18.【单选题】Which of the following statements about full-time safety production managers is incorrect? ( ). (C)
A. The person in charge of the safety production management organization of the construction unit and its staff are full-time safety production management personnel
B. The full-time production safety management personnel at the construction site belong to the full-time production safety management personnel
C. Full-time production safety management personnel refer to the full-time personnel who have passed the safety production assessment of the construction unit and obtained the safety production assessment certificate
D. Full-time production safety management personnel shall conduct on-site supervision and inspection of production safety
19.【单选题】Which of the following statements about the main technical properties of ordinary concrete is correct? ( ). (A)
A. The main technical properties of concrete mixtures are workability, and the main technical properties of hardened concrete include strength, deformation and durability.
B. Workability is a comprehensive property that meets the requirements of construction technology, including fluidity and water retention
C. The workability of concrete mixtures is currently mainly determined by measuring the fluidity
D. When the concrete is classified according to the size of the slump value, the concrete with a slump of 160mm is a fluid concrete
20. [Multiple choice question] If the number of employees in the enterprise exceeds ( ), a safety production management agency shall be set up or full-time safety production management personnel shall be assigned. (C)
A. 100 people
B. 200 people
C. 300 people
D. 400 people
21.【单选题】The force of the fluid ( ) acting on a unit area is called the pressure of the liquid. (B)
A. to flow
B. Vertical
C. parallel
22. [Multiple choice question] The measurement principle of the velocimeter tube flowmeter is that a metal tube with a small hole is installed in the center of the pipeline, and the end is facing the flow direction of the fluid to measure the ( ) of the fluid. (B)
A. Static pressure
B. full pressure
C. Dynamic pressure
23. [Multiple choice question] Construction regulations refer to the regulations formulated by the state legislature or its authorized administrative organs to adjust the relationship between the state and its related institutions, enterprises and institutions, ( ), in construction activities or construction administrative activities. The collective term for the laws and regulations of various social relations that occur. (C)
A. the community
B. Citizens
C. social groups, citizens
D. local community
24.【单选题】The thermocouple is welded by two ( ) materials. (A)
A. different
B. the same
C. any
25.【单选题】The unit symbol of current is ( ). (C)
A、W
BmV
C、A
26. [Single-choice question] Click the "Auto-Sum" button ( ) on the "Common" toolbar to complete the automatic sum. (B)
A、B、
B、D、
27. [Multiple choice question] The valve position of the regulating valve is generally at ( ) during actual operation. (C)
A、20%-100%
B、15%-90%
C、30%-80%
28. [Multiple choice question] "Special Equipment Safety Supervision Regulations" stipulates that the special equipment user shall () conduct a self-inspection of the special equipment in use and make a record. (B)
A. every year
B. every month
C. half a year
29. [Multiple choice questions] Inspection batches and sub-projects should be checked and accepted by ( ) the person in charge of the professional quality (technical) of the project of the construction unit. (D)
A. Chief Supervising Engineer
B. Representative of the chief supervisory engineer
C. Professional supervision engineer
D. supervising engineer
30. [Multiple choice question] The rotor flowmeter is to select rotors of different materials and shapes according to the physical and chemical properties and () size of the measured medium. (C)
A. Measurement error
B, the upper limit of measurement
C. Range
31. [Multiple choice question] The structural feature of the control system is that ( ) is used in the control system. (B)
A. Limiter
B. selector
C. Two regulators
32.【单选题】Which of the following is true for each axis? (A)
A、+0.007
B、50
C、0.025
D、-0.018
33.【单选题】When the valve stroke changes, the flow rate Q changes proportionally, then its characteristics are ( ). (B)
A. Quick opening feature
B. Linear
C, equal percentage characteristics
34.【单选题】In the distributed control system, the main function of the operation station is ( ). (A)
A. Operation and monitoring
B. Control and Communication
C. to control
35.【单选题】Which part of the boiler has the lowest working fluid temperature during operation? (C)
A. Superheater
B. Steam drum
C. Economizer
36. [Multiple choice question] For hanging mountains, the purlins are usually picked out of the gable, and ( ) cement lime hemp knife mortar is used to make the water line, and the tiles are sealed. (B)
A、1:1
B、1:2
C、1:3
D、1:4
37. [Single-choice question] For those who have already performed the acceptance procedures for batch and sub-projects, unless ( ) has a clear requirement, generally no concealed project acceptance will be carried out. (B)
A. Construction unit
B. Supervision unit
C. Construction general contractor
D. Municipal engineering management unit
38. [Multiple choice question] The punishment methods for the person in charge of the unit include criminal responsibility, administrative sanctions, personal financial fines, and detention within ( ) days. (B)
A、10
B、15
C、20
D、25
39. 【Multiple Choice Questions】Which of the following statements is correct ( ). (ABDE)
A. The excavation of urban roads must be approved by the construction unit
B. The newly built urban road shall not be excavated within 5 years after it is put into use
C. The overhauled urban roads shall not be excavated within 5 years after the completion of the construction
D. Where urban roads are to be excavated upon approval, conspicuous signs shall be set up on the construction site
E. The temporary occupation of urban roads upon approval shall not damage the urban roads
40.【单选题】Which of the following is wrong? ( ). (C)
A. There are two types of common templates: combined templates and tool templates.
B. Climbing formwork is suitable for cast-in-place reinforced concrete vertical (or inclined) structure
C. The flying formwork is suitable for the construction of reinforced concrete floors with small openings, small column nets and small depths
D. The combined formwork can be assembled into large formwork of beams, columns, walls and floors according to the design requirements in advance, and the overall hoisting can be used, or the dismantling method can be adopted.
41. [Multiple Choice Questions] The archives should distribute engineering documents according to ( ) approved by the supervisor. (BC)
A. Catalogue of construction drawings
B. Construction drawings are published
C, equipment data distribution
D. Equipment data catalog
E. Equipment list
42. 【Multiple choice questions】The technical requirements of commonly used cement are mainly ( ). (ABD)
A, coagulation time
B. Volume stability
C. Expansion
D. Strength
E. Endothermic
43. [Multiple Choice Questions] Brief history of the accident: In the material preparation workshop of a company, when an electrician was climbing from the workshop steel frame to the crane maintenance platform, he was squeezed by the running crane in the steel frame column and the crane wheel protective suite. And fell to the ground to death. Accident investigation: within the validity period of inspection, the crane has a special repaired access ladder against the wall, and the crane has no defects related to the accident. Analysis of the cause of the accident: () (ACD)
A. The electrician violates the work regulations
B. No maintenance personnel channel is set up
C. There is no on-site safety alert and safety supervision
D. The safety management system is not strict, and the safety education is not deep
44. 【Multiple choice questions】The load-bearing scheme of the wall is ( ). (BCDE)
A. Column load-bearing
B, horizontal wall bearing
C, longitudinal wall bearing
D. Mixed load-bearing of vertical and horizontal walls
E. Mixed load-bearing of walls and columns
45. [Multiple Choice Questions] Article 17 of the "Safety Production Law" stipulates that the main person in charge of a production and business unit shall have the following responsibilities for the safety production work of the unit ( ). (ABCD)
A. Establish and improve the safety production responsibility system of the unit
B. Organize the formulation of safety production rules and regulations and operating procedures of the unit
C. Guarantee the effective implementation of the unit's safety production input
D. Supervise and inspect the safety production work of the unit, and eliminate hidden dangers of production safety accidents in time
E. Deal with it in a timely manner after a safety accident
46. [Multiple choice question] Without qualified operators corresponding to the boiler, the boiler shall not be put into use. (A)
A. Category
B. model
C. Kind
47. 【Multiple choice questions】Which of the following are the main quality indicators of vehicle gear oil ( ). (ABCD)
A. Extreme pressure and wear resistance
B. Antioxidative stability
C. Shear stability
D, viscosity temperature characteristics
E. High temperature resistance
48. [Multiple Choice Questions] The construction of masonry projects includes ① laying out lines, ② leveling, ③ laying bricks, ④ erecting several bars, ⑤ hanging lines, ⑥ laying bricks, ⑦ pointing joints, and ⑧ cleaning. The correct order is ( ) . (B)
A、②→③→①→④→⑤→⑥→⑦→⑧
B、②→①→③→④→⑤→⑥→⑦→⑧
C、②→③→①→⑤→④→⑥→⑦→⑧
D、②→①→③→⑤→④→⑥→⑦→⑧
49.【单选题】Which of the following is the most common operation method of bulldozers? (A)
A. Straight shovel operation
B. Side shovel operation
C, inclined shovel operation
D. Soil loosening work
50. [Multiple Choice Questions] The following incidents occurred in a construction company: employee Li lost his ability to work 'safety production mock exams' due to work-related injuries; employee Wang was given administrative punishment by the public security organ for stealing a white car; Employee Xu became pregnant because of cohabitation with others; employee Chen was sent overseas and overdue; employee Zhang was sentenced for the crime of major engineering safety accident. In this regard, construction companies can terminate the labor contract at any time ( ). (DE)
A. Lee
B. Wang
C. Xu
D. Chen
E. Zhang
51. 【Multiple choice questions】Brick masonry forms are ( ). (ABC)
A, one straight and one small
B. Sanshunyiding
C, plum blossom
D, "three one" brick laying method
E. Squeeze method
52. 【单选题】Which of the following is the wrong description? (D)
A, the installed power is large
B. Large output torque
C, the axial pressure is large
D, the construction efficiency is low
53.【单选题】The calorific value of coal is ( ) when water exists in the state of water vapor in the combustion product of coal. (C)
A, the highest calorific value
B, high calorific value
C, low calorific value
D, the lowest calorific value
54. [Multiple Choice Questions] The construction materials of construction projects should meet the requirements of ( ). (AE)
A、GB50300
B、GB50202
C、GB50203
D、GB50242
E. Relevant professional acceptance specifications
55. [Multiple choice questions] The theoretical air volume can be calculated according to the oxidation reaction of ____ in coal. (D)
A、C、H、N
B、C、O、N
C、H、S、N
D、C、H、S
56. [Multiple choice questions] For the accidental injury insurance of employees engaged in dangerous operations in labor subcontracting enterprises, the insurance premium shall be paid by ( ). (B)
A. Engineering contracting companies
B. Labor subcontracting enterprises
C. the owner
D. The individual employee
57. [Multiple Choice Questions] The construction contract of a construction project shall be deemed invalid if one of the following circumstances: The safety production simulation test has passed one point: ( ). (BCD)
A. The general construction contractor subcontracts labor operations to construction labor enterprises with corresponding qualification levels
B. The construction project must be tendered and the tender is not invited or the winning bid is invalid
C. The contractor has not obtained the qualification of a construction enterprise or has exceeded the qualification level
D. Unqualified actual construction workers borrow the name of a qualified construction enterprise
E. The general contractor for the construction of special-grade housing construction projects undertakes the construction of residential quarters with a construction area of more than 200,000 m² and the contract value of a single construction and installation contract exceeds 5 times the registered capital of the enterprise.
58. 【Multiple Choice Questions】The basic principles of contract conclusion are ( ). (ABCD)
A. Voluntary
B. The principle of abiding by the law
C, the principle of good faith
D. the principle of fairness
E. The principle of legality
59.【单选题】Which of the admixtures improves the workability of concrete mixtures is ( ). (C)
A, retarder
B, early strength agent
C. Air-entraining agent
D. Accelerator
60. 【Multiple Choice Questions】The construction project quota includes many types, and the production factors reflected by the quota are classified as follows: ( ). (ABD)
A. Work quota
B. Material consumption quota
C. Construction quota
D. The quota for mechanical shifts
E. Budget quota
61. 【True or False】BCD code is a hexadecimal number represented by 4 binary numbers. ( × )
62. [True or False] Waterproof mortar waterproof layer is usually called rigid waterproof layer, which depends on increasing the thickness of the waterproof layer and improving the compactness of the mortar layer to meet the waterproof requirements. ( √ )
63. [True or False] MTBF refers to the mean time between failures of a computer control system. ( √ )
64. [True or False] The protective part of the cam controller consists of a handwheel and an arc extinguishing cover to prevent arc short-circuit. ( × )
65. [True or False] The last step in putting the cascade control system into operation. The safety production mock exam is easy to understand. It is to switch the sub-controller to automatic. ( × )
66. [True or False] 90% of the general skilled workers, special operators, and registered labor service workers must hold the post certificate of the corresponding type of work. ( × )
67. [True or False] In the vertical structure, if the pouring height exceeds 2m, a chute or a stringer should be used to unload the material. ( × )
68. [True or False] In the split-range control scheme, the opening and closing form of the regulating valve and the selection of the same direction or different direction law are completely determined by the needs of the process. ( √ )
69. [True or False] The selection of pressure detection instruments mainly includes: selection of instrument type, selection of instrument range and selection of instrument additional devices. ( × )
70. [Judgment question] The steel structure welding workers temporarily employed by the production and operation unit are not employees of the production and operation unit, so they do not enjoy the rights that the corresponding employees should enjoy. ( × )
71. [Judgment question] The quality inspector randomly checked the insulation resistance value of the line, and the measured value was different from the detected value of the operation team during construction, indicating that the measured value was wrong. ( × )
72. [True or False] Outdoor low-voltage power distribution lines should be directly buried with cables, and the metal sheaths and steel pipes of the cables should be connected to potential connection belts or lightning-proof grounding devices at the households. ( √ )
73. 【True or False】The protection of the mouth and nose is the protection of the oral cavity and nasal cavity. ( × )
74. [True or False] The installation positions of the combustible gas detector and the toxic gas detector should be determined according to the density of the detected gas. When its density is greater than air, the detector should be installed at a distance of 200~300mm from the ground; when its density is less than air, the detector should be installed above the leakage area. ( √ )
75. [True or False] Employers may implement piece-rate wages instead of the minimum wage system. ( × )
76. [True or False] The standard throttling device pressure taking method stipulated in GB/T2624-93 is: standard orifice plate and standard nozzle can be used to take pressure and flange to take pressure. ( × )
77. [True or False] For a liquid level gauge installed in an open container, the corresponding gauge cannot be used due to the existence of a liquid column in the negative pressure guiding tube. ( × )
78. [True or False] In the centrifugal separation operation, the magnitude of the centrifugal force has no effect on the separation effect. ( × )
79. 【True or False】The collected data mainly include construction specifications, quality assessment standards and similar engineering experience. ( √ )
80. [True or False] When arranging the construction procedures for erecting electric wires, laying pipe networks, building railways and building roads, the off-site needs to be from far to near, first the trunk and then the branch. ( × )
81. [Judgment question] The difference between the control system of “one-stop production safety simulation test” and the simple control system and safe production simulation test is that the purpose of control is different ( √ )
82. [True or False] () Generally, when two wire ropes are used for lifting, the angle between 60° and 120° is considered ideal. ( × )
83. [Decision questions] () After receiving the accident report, the person in charge of the accident unit should immediately start the accident emergency plan, take effective measures, organize rescue, prevent the accident from expanding, and reduce casualties and property losses. ( √ )
84. [True or False] The detailed test of thermal efficiency of boiler operating conditions is a thermal efficiency test for evaluating the energy efficiency of industrial boilers under actual operating parameters or for energy-saving diagnosis. ( √ )
85. [True or False] The management of the use of computers and other information equipment should be strengthened, and all electronic equipment, communication and office automation systems involving confidential information should meet the confidentiality requirements. ( √ )
86. [Judgment question] When the signal pressure increases, the push rod moves upwards and the push rod moves upwards, which is called a positive-acting actuator. On the contrary, when the signal pressure increases, the push rod moves downwards is called a reaction-acting actuator. ( × )
87. [True or False] For Siemens PLC, the block comparison function can be used to compare offline and online blocks, but the blocks of two user programs on the hard disk cannot be compared. ( × )
88. [True or False] Process emissions are the main way to cause pollution in the petrochemical industry. ( √ )
89. [True or False] The pneumatic diaphragm control valve is mainly composed of an actuator and a valve body. ( √ )
90. [True or False] The quality of natural limestone should meet the requirements of "Natural Limestone Building Board" GB/T23453. ( √ )
91. [True or False] Flowmeters can be generally divided into three categories according to the measurement method: velocity flowmeters, positive displacement flowmeters, and mass flowmeters. ( √ )
92. [Judgment question] Cleaner production is achieved through end-to-end pollution control. ( × )
93. [Judgment question] During the inspection of the thickness of the protective layer of the steel bar, the allowable deviation of the thickness of the protective layer of the steel bar under longitudinal stress is +8mm and -5mm for beam members. ( × )
94. [True or False] When the boiler is overpressured, the safety valve will automatically open, the exhaust steam will be depressurized, and an alarm will be issued at the same time. ( √ )
95. [Judgment question] Electric actuators are generally divided into three types: straight stroke, angular stroke, and multi-turn type (√)
96. [True or False] Compared with the traditional pneumatic diaphragm actuator, the fine and small pneumatic diaphragm actuator has a height reduction of 30%, a weight reduction of 30%, a 30% increase in the flow capacity, and an adjustable range of 50:1. ( √ )
97. [True or False] The compensation wire is open to various thermocouples. ( × )
98. 【True or False】To reduce the evaporation of the liquid, reduce the temperature of the liquid, increase the surface area of the liquid and reduce the air flow on the surface of the liquid. ( × )
99. [Judgment question] The angle contact pressure method is that the upstream and downstream pressure taps are located at the angle between the front and rear surfaces of the orifice plate or the nozzle and the pipe wall to take pressure. ( √ )
100. [True or False] Usually, the interference channel in the object is not unique. ( √ )
Support the examination questions of precision chemical automation control instrument operation in various regions of the country, and support the practice of work types such as safety qualification certificates, special operation certificates, and occupational skill appraisals.