2022 coal mine gas drainage operation certificate examination questions and simulation examination

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

2022 The theoretical question bank of coal mine gas drainage is the review question of coal mine gas drainage over the years ！2022 The examination questions and simulation examination of coal mine gas drainage operation certificate are based on the new examination outline of coal mine gas drainage . The coal mine gas drainage test paper has passed the safety production simulation test. Check all the question banks at one point .

1、【 Multiple choice 】 The following practices are illegal operations ( ).（ ABCDE ）
A、 Go on duty without certificate
B、 Don't wear a safety helmet when entering the well 、 Miner's lamp 、 Self rescuer
C、 leave one's post temporarily 、 sleep 、 Work after drinking
D、 Don't execute “ Knock on the top ” System and “ Support principle ”
E、 In the empty gang 、 Empty roof 、 Work under the eaves of pumice umbrella or enter the goaf ( Laotang ) Homework
2、【 Multiple choice 】 stay ( ), The establishment of gas extraction system should be considered .（ ABCD ）
A、 When the absolute gas emission of the mine reaches the specified value
B、 The gas emission of heading face is greater than 3m/3min, Use ventilation to solve unreasonable
C、 Mining coal seams with risk of coal and gas outburst
D、 The gas emission of coal face is greater than 5m3/min, Use ventilation to solve unreasonable
3、【 Multiple choice 】 In situ stress is one of the important causes of coal and gas outburst . Its main function is ( ).（ ABCD ）
A、 Increase gas pressure
B、 Make the coal body produce sudden crushing and displacement
C、 Affect the adsorption and permeability of coal
D、 Affect the storage and migration of gas
4、【 Multiple choice 】 When inspecting the outburst prevention measures in the pre pumped coal seam gas area , It can be tested according to the residual gas pressure index or residual gas content index . accord with ( ) Highlight hazardous areas .（ AB ）
A、 The residual gas pressure is greater than 074MPa
B、 Residual gas content greater than 8m/3t
C、 The residual gas pressure is less than 074MPa
D、 The residual gas content is less than 8m³/t
5、【 Multiple choice 】 The pumping and production pump room must be equipped with a detection device ( ) Instrument or automatic detection system with equal parameters .（ ABCD ）
A、 pressure
B、 temperature
C、 Gas concentration
D、 Traffic
6、【 Multiple choice 】 The sealing methods of pumping and mining boreholes mainly include ( ).（ ABC ）
A、 Sealing holes with cement mortar
B、 Polyurethane sealing
C、 Mechanical hole sealer for hole sealing
D、 Wood wedge sealing hole
7、【 Multiple choice 】 According to the intensity of each coal and gas outburst ( The amount of coal thrown by each outburst ) branch , The salient points are divided into ( ).（ ABCD ）
A、 Small protrusions ( Less than 100t)
B、 Medium sized protruding (100 to 500t)
C、 Large protrusions (500 to 1000t)
D、 Extra large and outstanding (1000t above )
8、【 Multiple choice 】 The hazards of coal and gas outburst are ( ).（ ABCD ）
A、 Cause personnel suffocation 、 Death
B、 Gas explosion 、 burning
C、 Destroy the ventilation system and even reverse the air flow
D、 Block and destroy the roadway 、 Destroy the equipment

9、【 Multiple choice 】 The underground emergency refuge facilities of coal mine mainly include ( ).（ ABC ）
A、 Permanent refuge chamber
B、 Temporary refuge chamber
C、 Movable rescue capsule
D、 Waiting chamber
10、【 Multiple choice 】 The methods of coal mine gas drainage are ( ) etc. .（ ABCD ）
A、 Gas drainage in this coal seam
B、 Gas drainage in adjacent layers
C、 Gas drainage in goaf
D、 Surface gas extraction
11、【 Multiple choice 】 Gas is mixed with air ( ) Will increase the explosiveness of gas , Reduce the lower limit of gas explosion concentration .（ ABC ）
A、 Explosive coal dust
B、 Carbon monoxide gas
C、 Hydrogen sulfide gas
D、 Carbon dioxide gas
12、【 Single topic selection 】 When the quality controller prepares the quality related documents , comply with ( ) Consider aspects .（ A ）
A、 people 、 machine 、 material 、 Law 、 Ring
B、 material 、 Law 、 Ring
C、 machine 、 material 、 Law 、 Ring
D、 Law 、 Ring
13、【 Multiple choice 】 Stabilizing drilling is the key to ensure safe construction , It is also the key to realize the construction according to the design ; It is also the key to make the drilling rig play its due role . Six instabilities are required ：( ); The back road is blocked , Unstable drilling ; There is a problem with the drilling rig that has not been eliminated 、 Drilling stabilizing facilities are not complete 、 The stable drilling measuring instruments are not complete , Unstable drilling .（ ABCD ）
A、 Imperfect safety facilities and unstable drilling
B、 roof 、 The head-on coal and rock wall support is incomplete , Unstable drilling
C、 The floating gangue at the base is not cleaned up , Unstable drilling
D、 There is no midline point in the head , Unstable drilling
14、【 Multiple choice 】 Emergency shelter facilities should have ( ) And other basic functions , Without any outside support , The rated protection time shall not be less than 96h.（ ABCDEF ）
A、 Safety protection
B、 Oxygen supply guarantee
C、 Harmful gas removal
D、 The environmental monitoring
E、 Communications 、 lighting
F、 Personnel survival guarantee
15、【 Multiple choice 】 After regional outburst risk prediction , The outburst coal seam is divided into ( ).（ AB ）
A、 Highlight the danger zone
B、 There is no prominent danger zone
C、 Outburst coal seam
D、 No outburst coal seam
16、【 Multiple choice 】 The annual special training for outburst prevention workers includes ( ) The content such as .（ ABCD ）
A、 Theoretical knowledge of outburst prevention
B、 Highlight the regularity of occurrence
C、 Regional and local comprehensive outburst prevention measures
D、 Rules and regulations on outburst prevention
17、【 Single topic selection 】 Horizontally suspended main 、 The length of main air duct exceeds 20m The system of , It shall be set at least ( ) A fixed support to prevent the air duct from swinging .（ A ）
A、1
B、2
C、3
D、4
18、【 Single topic selection 】 Variable volume and pressure gas desorption instrument （ Determination △h2) The pressure range is ( ), Error margin 2%.（ A ）
A、0 to 3kPa
B、0 to 5kPa
C、0 to 10kPa
19、【 Single topic selection 】 Three level safety education refers to the company 、 Project management department 、 Three levels of safety education for construction teams . The content of company education does not include ( ).（ D ）
A、 National guidelines on work safety
B、 Local safety production policies
C、 Safety rules and regulations of the enterprise
D、 Site safety system
20、【 Single topic selection 】 When starting the extraction pump with lubrication system and cooling system , Start the lubrication system and cooling system first , And adjust ( ).（ B ）
A、 temperature
B、 Traffic
C、 pressure
21、【 Single topic selection 】 In coal mine production , When there is a contradiction between production and safety, we must adhere to ( ).（ A ）
A、 Safety first
B、 Production comes first
C、 Complete the task first
22、【 Single topic selection 】 In the return air lane of the mining area 、 The gas concentration in the air flow of the return air roadway of the mining face exceeds ( ) Or carbon dioxide concentration exceeds 1.5% when , Must stop working , Evacuate personnel , Take measures to , To deal with .（ C ）
A、0.5%
B、0.75%
C、1.0%
D、1.5%
23、【 Single topic selection 】 The height of similar distribution boxes in the same building shall be consistent , The allowable deviation is ( )mm.（ A ）
A、10
B、15
C、20
D、25
24、【 Single topic selection 】 Installation works , application ( ) The level gauge has met the requirements .（ D ）
A、DS0.5
B、DS1
C、DS3
D、DS10
25、【 Single topic selection 】 During drilling construction , In order to prevent gas out of limit accidents , The drilling construction site must have good facilities ( ), Gas automatic alarm and power-off instrument shall be installed .（ C ）
A、 Water spray pipe
B、 lighting
C、 ventilation
26、【 Single topic selection 】 Insist on management 、( )、 Paying equal attention to training is the basic principle of coal mine safety production in China .（ A ）
A、 equipment
B、 technology
C、 Check
27、【 Single topic selection 】 Pumping station driver ( ) Mount guard , Test on time 、 Record the pumping parameters and pumping pump operation .（ B ）
A、 As long as they are trained
B、 Must pass the training to hold the certificate
C、 You can hold a certificate without training
28、【 Single topic selection 】 The extracted gas is directly discharged underground , The exhaust outlet of the extraction pipeline must be set at ( ) In the roadway .（ B ）
A、 Air intake
B、 Return air
C、 Any one
29、【 Single topic selection 】 The influence of human factors on the quality of construction projects refers to the decision makers who directly perform the quality functions of construction projects 、 Personal of managers and operators ( ) And quality activity ability .（ B ）
A、 Decision-making ability
B、 Quality awareness
C、 safety consciousness
D、 Ability to see the big picture
30、【 Single topic selection 】ISO9000:2000 There are terms in 80 individual , The following are related to management terms ( ).（ A ）
A、 The management system
B、 Organizational structure
C、 Quality characteristics
D、 Customer satisfaction
31、【 Single topic selection 】 without ( ) Qualified practitioners , Do not work .（ B ）
A、 Basic knowledge education
B、 Safety production education and training
C、 Technical training
D、 Laws and regulations education
32、【 Single topic selection 】 Coal and gas outburst mines should build refuge chambers in mining areas . The length of the driving roadway in the outburst coal seam and the advancing length of the coal face exceed 500m when , It shall be at a distance from the working face ( ) Within the scope of , Build temporary refuge chamber or set movable life-saving cabin .（ D ）
A、50m
B、100m
C、300m
D、500m
33、【 Single topic selection 】 The function of the wheel speed sensor is to detect the wheel speed , And convert it into an electrical signal and send it to （）.（ A ）
A、ECU
B、CEU
C、UEC
D、EUC
34、【 Single topic selection 】 The foundation of a building project adopts dynamic compaction foundation , According to the requirements of foundation construction quality acceptance , The results after completion must meet the standards required by the design . For the quantity in the foundation inspection , The following error is ( ).（ A ）
A、 Each unit of work shall not be less than 4 spot
B、1000 Projects above square meters , Every time 100 Square meters should have at least 1 spot
C、3000 Projects above square meters , Every time 300 Square meters should have at least 1 spot
D、 There shall be at least... Under each independent foundation 1 spot , Foundation trench every 20 The linear meter should have 1 spot
35、【 Single topic selection 】 The clearance between the underground extraction pipeline and the outermost edge of the mine car must be greater than ( ).（ C ）
A、500mm
B、600mm
C、700mm
36、【 Single topic selection 】 The air temperature in the underground Electromechanical chamber of the coal mine exceeds ( )℃ when , The operation must be stopped .（ A ）
A、34
B、36
C、40
37、【 Single topic selection 】 Coal mines shall establish and improve leadership ( ) Downhole system , And strict assessment .（ B ）
A、 Irregular
B、 Lead the class
C、 regular
38、【 Single topic selection 】 The maximum allowable concentration of carbon monoxide in mine air is ( ).（ A ）
A、0.0024%
B、0.00025%
C、0.0005%
D、0.00066%
39、【 Single topic selection 】《 Regulations on the administration of safe production of construction projects 》 Regulations ,《 Regulations on safety supervision of special equipment 》 Specified construction hoisting machinery , Before acceptance, it shall be subject to inspection and testing institutions with corresponding qualifications ( ) qualified .（ A ）
A、 Supervision and inspection
B、 Check
C、 testing
D、 test
40、【 Single topic selection 】 In the following statement about the basic provisions of stair structure construction drawings , The wrong is ( ).（ A ）
A、 The stair structure plan shall directly draw the reinforcement of the rest platform plate
B、 The construction drawing of stair structure includes the plan of stair structure 、 Stair structure section and component details
C、 The visible outline of reinforced concrete stairs is represented by thin solid lines , Invisible contours are represented by thin dashed lines
D、 When the scale of stair structure section is large , The reinforcement of stair slab can also be shown directly on the sectional view of stair structure
41、【 Single topic selection 】 Absolute gas emission from the mine ( ) when , A permanent surface gas extraction system or a temporary underground gas extraction system must be established .（ A ）
A、 Greater than or equal to 40m3/min
B、 Greater than or equal to 30m3/min
C、 Greater than or equal to 10m3/min
42、【 Single topic selection 】 The safety sign of mining products is to confirm that mining products comply with national safety standards 、 Industry safety standards ,( ) The production unit sells and uses the certificate used by the unit .（ A ）
A、 Permission
B、 prohibit
C、 Limit
43、【 Single topic selection 】 The concentration of oxygen in the air is lower than ( ) when , The mixture of gas and air loses its explosiveness .（ C ）
A、20%
B、16%
C、12%
D、14%
44、【 Single topic selection 】 The same end bearing can not only limit the ( ), It can also limit the ( ).（ D ）
A、 motion , Move
B、 Move , Activities
C、 turn , Activities
D、 Move , turn
E、 Activities , turn
45、【 Single topic selection 】 Time sequence between construction records 、 Constraints and ( ) Be consistent with .（ A ）
A、 Organic connection
B、 Coordination between civil works
C、 Catalog
D、 Records between subcontractors
46、【 Single topic selection 】 In the mining face and other roadways , Volume greater than 0.5 The gas concentration accumulated in the space reaches ( ) when , near 20m Work must be stopped within , Evacuate personnel , Cut off the power supply , To deal with .（ D ）
A、0.5%
B、1.0%
C、1.5%
D、2.0%
47、【 Single topic selection 】 During column installation , The leveling of cup bottom shall ensure that ( ) The elevation shall meet the design elevation requirements .（ B ）
A、 The top of the column
B、 Oxleg noodles
C、 Crane beam
D、±0.000
48、【 Single topic selection 】 In the air inlet flow of the mining face , The concentration of carbon dioxide shall not exceed ( ).（ A ）
A、0.5%
B、0.75%
C、1.0%
D、1.5%
49、【 Single topic selection 】ISO9000:2000 Family standards enhance the integration with other management system standards such as environmental management system standards ( ), So as to create conditions for the establishment of an integrated management system .（ C ）
A、 The opposite sex
B、 similarity
C、 Compatibility
D、 Difference
50、【 Single topic selection 】 The traffic accident 、 The fire accident starts from the date of occurrence ( ) Intraday , The number of casualties caused by the accident has changed , A supplementary report should be made in time .（ D ）
A、20
B、30
C、14
D、7
51、【 Single topic selection 】 The requirements for quality management of construction enterprises are . Security Production simulation Pass the exam at one o'clock . adopt ( ) Realized .（ A ）
A、 quality management system
B、 Project management system
C、 Quality management system
D、 quality control system
52、【 Single topic selection 】 according to 《 Regulations on the administration of work safety 》, Which of the following is not a project that needs to prepare a special construction scheme ( ).（ D ）
A、 Formwork works
B、 Scaffolding works
C、 Earth excavation works
D、 Hydropower installation works
53、【 Single topic selection 】 The dangerous voltage in case of electric shock is generally from ( ) The volt begins .（ C ）
A、24
B、26
C、65
54、【 Single topic selection 】 Factors that may cause explosion at the welding construction site do not include ( ).（ C ）
A、 Explosion of fuel container
B、 Explosion of combustible gas or gas cylinder for gas welding
C、 Explosion of incombustible dust
55、【 Single topic selection 】 The outburst risk prediction of coal face can be carried out with reference to the outburst risk prediction method of coal roadway heading face . However, it shall be carried out at intervals along the coal mining face 10~15m Arrange a prediction borehole , depth ( ).（ B ）
A、10 to 15m
B、5 to 10m
C、5m following
56、【 Single topic selection 】 The outburst risk prediction of coal face can be carried out with reference to the outburst risk prediction method of coal roadway heading face . However, it shall be carried out at intervals along the coal mining face 10~15m Set up a forecast . Safe production simulation Examination Try a little . drill hole , depth ( ).（ B ）
A、10
B、15m
C、5
D、10m
E、5m following
57、【 Single topic selection 】 Process flow of pressurization equipment and water tank installation , The right is ( ).（ C ）
A、 Installation preparation → Foundation acceptance → Hoisting in place → Equipment unpacking inspection → Leveling and alignment → Piping installation → Commissioning
B、 Installation preparation → Foundation acceptance → Equipment unpacking inspection → Leveling and alignment → Hoisting in place → Piping installation → Commissioning
C、 Installation preparation → Foundation acceptance → Equipment unpacking inspection → Hoisting in place → Leveling and alignment → Piping installation → Commissioning
D、 Installation preparation → Foundation acceptance → Equipment unpacking inspection → Hoisting in place → Piping installation → Leveling and alignment → Commissioning
58、【 Single topic selection 】 Of the following properties , What does not belong to the nature of the project management department is ( ).（ A ）
A、 The law is mandatory
B、 Relative independence
C、 Comprehensive
D、 Temporary
59、【 Single topic selection 】 Control of subgrade compactness , Compaction should be light first and then heavy 、 First slow, quick 、 Uniform , The maximum speed of the roller should not exceed ( )km/h.（ D ）
A、1
B、2
C、3
D、4
60、【 Single topic selection 】 In the following options , What does not belong to the common organic thermal insulation materials is ( ).（ D ）
A、 Foam plastics
B、 Insulation film
C、 Rubber powder polystyrene particles
D、 Foam glass
61、【 Single topic selection 】 Gas drainage in goaf , The final hole height for drilling and extraction shall not be less than ( ) Double mining height .（ A ）
A、4 to 5
B、3 to 6
C、4 to 8
62、【 Single topic selection 】 In the construction face of a subway project in a city , Because of a lot of water and quicksand , Cause damage to some structures and ground subsidence in surrounding areas , cause 3 The building is leaning heavily , The direct economic loss is about 1.5 One hundred million yuan . according to 《 Regulations on reporting, investigation and handling of production safety accidents 》 Regulations , The accident belongs to this level ( ).（ A ）
A、 Especially serious accident
B、 Major accident
C、 Major accident
D、 General accidents
63、【 Multiple choice 】 Uneven settlement of foundation 、 most New explanation Analysis 、 Falling often leads to cracking of buildings 、 The causes of collapse are ( ).（ ABC ）
A、 The geological report is not true
B、 The quality assurance system in construction is not perfect , Poor quality management, etc
C、 The single building design is too long 、 The plane figure is complex
D、 The concrete is not vibrated compactly
E、 The slope gradient of foundation pit is too large
64、【 Single topic selection 】 The vertical water pump should adopt ( ) Vibration isolator , It is also required that the bearing points of the vibration isolation elements of the water pump unit shall be an even number , And not less than ( ) individual （ C ）
A、 Damping spring ,4
B、 Damping spring ,6
C、 rubber ,4
D、 rubber ,6
65、【 Multiple choice 】 The main properties of steel include mechanical properties and process properties . The mechanical properties include ( ) etc. .（ ACE ）
A、 Tensile properties
B、 Elastic properties
C、 Impact performance
D、 Bending resistance
E、 Fatigue performance
66、【 Single topic selection 】 Structural reliability refers to the structure within the specified time 、 The ability to complete a predetermined function under specified conditions , Including security 、 Applicability and ( ).（ C ）
A、 reliability
B、 Long term
C、 Durability
D、 Firmness
67、【 Multiple choice 】 The following is about when the working state of the circuit is short circuit , The right thing to say is ( ).（ ABDE ）
A、 Short circuit is that the power supply is directly composed of wires without load
B、 Short circuit is an accident , In case of short circuit , The current in the circuit is much greater than during normal operation
C、 Short circuit is an accident , In case of short circuit , The current in the circuit is much less than that in normal operation
D、 The short circuit accident of the circuit shall be strictly prevented
E、 Short circuit may burn out the power supply and equipment in the circuit
68、【 Multiple choice 】 The following statement about cushion cap structure is correct ( ).（ BCE ）
A、 The width of bearing platform shall not be less than 300mm
B、 Reinforcement of bearing platform , For the rectangular bearing platform, the reinforcement shall be uniformly reinforced in two directions , The diameter of reinforcement shall not be less than 10mm
C、 For three pile caps , Reinforcement shall be in accordance with j Evenly arrange the plate and strip
D、 The strength grade of bearing platform concrete is not low 5
E、 The thickness of bearing platform shall not be less than 300mm
69、【 Multiple choice 】 according to 《 Regulations on the administration of safe production of construction projects 》, Special construction scheme shall be prepared , The divisional and subdivisional works with safety checking results include ( ).（ ABCE ）
A、 Deep foundation pit engineering
B、 Hoisting works
C、 Formwork works
D、 Floor Engineering
E、 Scaffolding works
70、【 Multiple choice 】《 Construction law 》 Regulations , The construction works delivered for completion acceptance must comply with ( ).（ ABCDE ）
A、 Must comply with the specified construction quality standards
B、 Have complete engineering technical and economic data and signed engineering warranty
C、 Meet other completion conditions stipulated by the state
D、 After the completion acceptance of the construction project is qualified , Can be delivered for use
E、 Failing to accept or failing to pass the acceptance , Shall not be delivered for use
71、【 Multiple choice 】 The production and operation units have ( ) One of the acts of , Order to change within a time limit ’ Safety production simulation test Try a little ’ just , There was an accident , The person in charge and other persons directly responsible shall be punished , Criminal , Criminal responsibility shall be investigated in accordance with the relevant provisions of the criminal law .（ ACE ）
A、 Installation of safety equipment 、 Use 、 testing 、 Transformation and scrapping do not meet national or industrial standards
B、 Approval or acceptance of matters related to production safety that do not meet the statutory conditions for production safety
C、 No regular maintenance of safety equipment 、 Maintenance and regular inspection
D、 Failing to perform the duties of supervision and management of units that have obtained approval according to law
E、 Not in the production and operation sites and relevant facilities with major risk factors 、 Obvious safety warning signs shall be set on the equipment
72、【 Single topic selection 】 Construction project objective control includes : Construction project progress control 、 Construction project quality control 、( )、 Four aspects of safety control of construction project .（ B ）
A、 Construction project management control
B、 Construction project cost control
C、 Construction project manpower control
D、 Material control of construction project
73、【 Multiple choice 】 The factors affecting the price change of materials are ( ).（ ABCD ）
A、 Changes in market supply and demand
B、 Changes in material production costs
C、 The number of circulation links
D、 Material supply system
E、 Material procurement and storage fee
74、【 Judgment questions 】 In general , The greater the dip angle of the coal seam , The higher the gas content in the coal seam .（ × ）
75、【 Judgment questions 】 Isochronous running water means that the running water rhythm of each construction section in the same construction process is equal , A flow construction method in which the flow tempo between different construction processes is not necessarily equal .（ × ）
76、【 Judgment questions 】 When checking the effect of outburst prevention measures on crosscut and other coal uncovering working faces , Drilling cuttings gas desorption index method or other effective methods proved by tests shall be selected , However, the number of inspection holes in all inspection methods by drilling method shall not be less than 5 individual , Located at the upper part of the stone gate 、 In the middle 、 Lower and sides .（ √ ）
77、【 Judgment questions 】 The pumping pump house must be equipped with a pipeline to detect the gas concentration 、 Traffic 、 Instrument or automatic monitoring system for pressure and other parameters .（ √ ）
78、【 Judgment questions 】 The person in charge of the work must be familiar with the equipment and understand the site conditions .（ √ ）
79、【 Judgment questions 】 When electricians and electricity users work , Insulating protective equipment must be worn as required , Use insulated tools .（ √ ）
80、【 Judgment questions 】 High strength bolts shall be tightened according to the tightening torque 30% Perform initial tightening .（ × ）
81、【 Judgment questions 】 Welding and painting on the construction site cannot be carried out in the same area at the same time .（ √ ）
82、【 Judgment questions 】 basis 《 Management procedures for construction engineering data 》 Classification of data .（ √ ）
83、【 Judgment questions 】 Coal mining area ( team ) Long 、 The team leader has jurisdiction over “ Safety production simulation exam One Diantong “ Take direct responsibility for internal outburst prevention .（ √ ）
84、【 Judgment questions 】 Before maintenance of construction machinery , On site inspection of maintenance machinery is required , Completion inspection shall be conducted after repair and maintenance .（ √ ）
85、【 Judgment questions 】 The Department responsible for the supervision and administration of production safety shall be responsible for the facilities that are deemed not to meet the national or industrial standards to ensure production safety 、 equipment 、 The equipment can be sealed up or detained , And should be in 15 Make a decision according to law within days .（ √ ）
86、【 Judgment questions 】 Circular steel pipe refers to the steel pipe material with circular section .（ × ）
87、【 Judgment questions 】 Gas often exists in free state and adsorption state in coal seams and surrounding rocks .（ √ ）
88、【 Judgment questions 】 When the gas extractor carries out daily inspection and maintenance on the extraction system, he only needs to check the extraction pump of the extraction system every day .（ × ）
89、【 Judgment questions 】 The operation personnel or special operation personnel of the construction unit have not received safety education and training or fail to pass the examination , Do not engage in relevant work .（ √ ）
90、【 Judgment questions 】 The deformation joint is to prevent the building from external factors （ Temperature change 、 Uneven settlement of foundation and earthquake ） Deformation under the action of , A gap of appropriate width considered to be set due to cracking or even damage .（ √ ）
91、【 Judgment questions 】（） The start time and duration of fuel injection of electronic controlled gasoline engine injector are controlled by electronic control unit .（ √ ）
92、【 Judgment questions 】 Repeat the connecting wire of the grounding device , It can be connected through the working zero line of the leakage protector .（ × ）
93、【 Judgment questions 】 Entrusted production technology providing organization with relevant safety production technology qualification 、 Managed services , The responsibility for ensuring safe production is the responsibility of the relevant institutions providing services .（ × ）
94、【 Judgment questions 】 Frame beam 、 Corbel, column cap and other reinforcement , It shall be placed outside the longitudinal reinforcement of the column .（ × ）
95、【 Judgment questions 】 Gas drainage engineering ( Including drilling yard 、 drill hole 、 piping 、 Gas Lane, etc ), The construction must be carried out according to the design and plan .（ √ ）
96、【 Judgment questions 】 Gas is produced only after coal is formed .（ × ）
97、【 Judgment questions 】 It is the most dangerous process for the coal seam to be exposed by the crosscut , There is a high probability of outburst 、 strength 、 High risk .（ √ ）
98、【 Judgment questions 】 The ventilation system of mining area refers to that the mine air flow enters the air inlet roadway of mining area from the main air inlet roadway 、 Coal face 、 After the room and other places , The whole air flow route from the return air roadway to the main return air roadway of the mine .（ √ ）
99、【 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 ; otherwise , In order to highlight the dangerous working face .（ √ ）
100、【 Judgment questions 】 During drilling construction , To prevent gas out of limit accidents , The drilling site must be well ventilated , Gas automatic alarm and power-off instrument shall be installed .（ √ ）
Support the examination questions of precision coal mine gas drainage operation in all regions of the country , Support safety certificate , Special operation certificate , Exercises on the question bank of vocational skill appraisal and other types of work .