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2022 safety officer-a certificate test question simulation test question bank simulation test platform operation
2022-06-11 16:29:00 【Fairy tale town (wangyali)】
Source of question bank : Safety production simulation test, a little public official account.
2022 Security Officer -A Certificate exercise is a safety officer -A Various practice modes of real questions in certificate examination !2022 Security Officer -A The simulated examination question bank of certificate examination questions and the simulated examination platform are operated according to the safety officer -A Certificate examination outline . Security Officer -A The certificate reexamination simulated examination passes the safety production simulated examination and the intensive training is provided .

1、【 Multiple choice 】《 Circular of the State Council on Further Strengthening the work of production safety in enterprises 》( Guo fa [2010]23 Number ) Pointed out that , Strict enterprise safety management , Comprehensively carry out the activities of safety production standardization . Safety production standardization standards include ( ).( AD )
A、 The post meets the standard
B、 The team meets the standard
C、 The workshop meets the standard
D、 Enterprises meet the standards
2、【 Multiple choice 】《 Safe production method 》 Article 67 : The Department responsible for the supervision and administration of production safety shall make a decision on the production and business operation entities with major potential accidents according to law ( ) Decision , The production and business operation entities shall carry out according to law , Eliminate potential accidents in time .( ABC )
A、 Stop production or business
B、 Stop construction
C、 Stop using facilities or related equipment
D、 Stop the water supply
3、【 Multiple choice 】 The following statements about the setting of distribution box and switch box are correct :( ).( ABC )
A、 The distribution system shall be equipped with distribution cabinet or general distribution box 、 Distribution box 、 Switch box , Implement three-level power distribution .
B、 The main distribution box shall be set in the area close to the power supply .
C、 The distribution box shall be set in the area with relatively concentrated electrical equipment or load .
D、 The distance between the distribution box and the switch box shall not exceed 15m
4、【 Multiple choice 】 Which of the operators of the following construction units belong to the special operators stipulated by our province ?( ACD )
A、 scaffolder
B、 A steel worker
C、 Electrician
D、 Signalman
5、【 Multiple choice 】 The types of open drainage of foundation pit water collection are ( ).( AC )
A、 Open ditch drainage
B、 Artificial drainage
C、 Blind ditch drainage
D、 Natural drainage
6、【 Multiple choice 】 Of tower crane ( ) And other safety protection devices shall not be adjusted and removed at will , It is forbidden to replace the operating mechanism with a limit device .( ABCD )
A、 Torque limiter
B、 Weight limiter
C、 Luffing limiter
D、 Travel stop
7、【 Multiple choice 】 Safety inspection is an important part of safety production management , It is an effective measure to find unsafe conditions and unsafe behaviors in safety production , yes ( ) Important means of .( ABC )
A、 Eliminate potential accidents
B、 Improving working conditions
C、 Implementation of rectification measures
D、 Do a good job in safety technical disclosure
8、【 Multiple choice 】 The neutral point of the special power supply for temporary power engineering on the construction site is directly grounded 220/380V Three phase four wire low voltage power system , What rules must be met .( )( AC )
A、 Three level power distribution system is adopted
B、 use TN-C-S System
C、 use TN-S System
D、 Adopt three-level power distribution and three-level protection system

9、【 Multiple choice 】 The grounding body of the grounding device of temporary power engineering on the construction site should adopt ( ).( ABD )
A、 Angle steel
B、 Steel pipe
C、 Screw thread steel
D、 Round steel
10、【 Single topic selection 】《 Safe production method 》 Regulations , Special operation personnel must receive special safety operation training . Obtain special operation ( ) certificate , Before starting work .( A )
A、 Operation qualification
B、 The license
C、 Security
D、 Position
11、【 Single topic selection 】《 Regulations on the administration of safe production of construction projects 》 Regulations , The construction unit shall provide... To the operators ( ), And inform the operating procedures of dangerous posts and the hazards of illegal operation in writing .( B )
A、 Labor protection articles
B、 Safety protective equipment and safety protective clothing
C、 Safety protection articles
D、 Personal protective equipment
12、【 Single topic selection 】 Dang Liang 、 The slab span is greater than or equal to ( ) when , beam 、 The slab shall be arched according to the design ; When there are no specific requirements in the design , The arching height should be... Of the span 1‰~3‰.( A )
A、4m
B、2.5m
C、5m
D、3m
13、【 Single topic selection 】 New version GB/T19001-2008 The three aspects of planning in the standard do not include ( ).( D )
A、 Planning of quality management system
B、 Planning of product realization process
C、 Measurement analysis and improvement planning
D、 Product development prospect planning
14、【 Single topic selection 】 What are the three levels of safety education ( )?( B )
A、 Legal representative of the enterprise 、 Project leader 、 Team leader
B、 company 、 project 、 team
C、 The general contractor 、 Subcontractors 、 The project
D、 Subcontractors 、 The project 、 team
15、【 Single topic selection 】 Manually Excavated narrow foundation trench , If the excavation depth is large or there is a risk of slope collapse, measures shall be taken ( ) measures .( A )
A、 Support
B、 strengthening
C、 Drainage
D、 Precipitation
16、【 Single topic selection 】 Mixing gas in a closed container with respect to pressure 、 In the following statement of volume ,() It's wrong. .( D )
A、 The component pressure of a gas component in a gas mixture refers to the pressure of a gas when it occupies the container alone ;
B、 Component volume refers to the total pressure of a certain component of the gas mixture 、 Volume at temperature ;
C、 A certain gas in the mixed gas has a certain partial pressure and partial volume ;
D、 The component pressure of a certain gas in the gas mixture has nothing to do with the number of components ;
17、【 Single topic selection 】 The load acting on the scaffold can be divided into ( ) Loads and variable loads .( A )
A、 permanent
B、 temporary
C、 wind
D、 gravity
18、【 Single topic selection 】 The duration of electric current passing through the human body () The less likely it is to rescue .( A )
A、 The longer the ;
B、 Shorter
19、【 Single topic selection 】 About the installation and disassembly of construction hoisting machinery , The following statement is wrong :( ).( C )
A、 install 、 Dismantle construction hoisting machinery and integral lifting scaffold 、 Formwork and other jack up erection facilities , A disassembly and assembly plan shall be prepared 、 Formulate safety construction measures
B、 install 、 Dismantle construction hoisting machinery and integral lifting scaffold 、 Formwork and other jack up erection facilities , It should be supervised on site by professional technicians
C、 Construction hoisting machinery and integral lifting scaffold 、 After the formwork and other jack up erection facilities are installed , The general contractor shall conduct self inspection , Issue self inspection certificate , And provide safe use instructions to the construction unit , Go through the acceptance procedures and sign
D、 Operators of vertical transportation machinery 、 Installation and disassembly workers 、 Blasting operators 、 Crane signalman 、 Special operators such as climbing and erection operators , Special safety operation training must be conducted in accordance with relevant national regulations , After obtaining the qualification certificate for special operation , Before starting work
20、【 Single topic selection 】 The following are not the construction quality control points of cement soil mixing pile foundation ( ).( D )
A、 Quality of cement and admixture
B、 Cement consumption
C、 Pile strength
D、 Flatness of top surface
21、【 Single topic selection 】 The service life of the fiber circumferential wound cylinder in the metal liner of compressed natural gas for automobile is ().( A )
A、15 year
B、10 year
22、【 Single topic selection 】 In the structure of single bucket excavator , By boom 、 Stick 、 The bucket consists of ( ).( B )
A、 The engine
B、 Working device
C、 Slewing device
D、 Walking gear
23、【 Single topic selection 】 More dangerous divisional and subdivisional works , Submit the argumentation report after expert argumentation , Put forward clear opinions on the content of the argument ,( ) The special scheme shall be revised and improved according to the demonstration report ( A )
A、 Construction unit
B、 Construction unit
C、 construction control unit
D、 Design unit
24、【 Single topic selection 】 The tower crane is out of service ( ) The above , Before returning to work , The acceptance shall be carried out again , It can be used only after it is qualified .( C )
A、1 Months
B、3 Months
C、6 Months
D、12 Months
25、【 Single topic selection 】 To ensure the effectiveness and safety of safety management rules and regulations and safety operation procedures (), The user unit shall specify the timing and frequency of review and revision , Review and revise regularly .( B )
A、 reliability
B、 Applicability
C、 Promotion
26、【 Single topic selection 】 When selecting the wavelength of spectrophotometry , The incident light shall be selected from the solution of the substance to be tested () wavelength .( D )
A、 Visible light
B、 ultraviolet
C、 Infrared light
D、 Maximum absorption
27、【 Single topic selection 】 Trial hoisting shall be carried out before hoisting , Lift heavy objects off the ground ()mm about , Conduct inspection by all parties .( A )
A、200
B、300
C、400
D、500
28、【 Single topic selection 】 When low temperature corrosion occurs , Acid dew point () Wall temperature .( B )
A、 higher than
B、 lower than
C、 be equal to
D、 Above and below
29、【 Single topic selection 】 Multiple excavators excavate mechanically on the same action surface , The distance between excavators shall be greater than ( ).( B )
A、5m
B、10m
C、15m
D、20m
30、【 Single topic selection 】《 Safe production method 》 The stipulated safety production management policy is ().( A )
A、 Safety first 、 Prevention first ;
B、 Safety is for production 、 Production must be safe ;
C、 Everyone is responsible for safe production
31、【 Single topic selection 】 The sinking amount of the piston rod of the hydraulic cylinder of the working device of the crawler single bucket hydraulic excavator shall not be greater than ( )mm/h.( C )
A、50
B、80
C、100
D、120
32、【 Single topic selection 】 The neutral point of the special power supply for temporary power engineering on the construction site is directly grounded 220/380V_ Phase four wire low voltage power system , A three-level distribution system must be used 、( ) Neutral protection system 、 Secondary leakage protection system .(《 Technical code for safety of temporary electricity on construction site 》(JGJ46-2005))( A )
A、TN-S
B、TN-C
C、TN-C-S
D、TN
33、【 Single topic selection 】 The rated leakage action current of the leakage protector in the switch box shall not be greater than ( )mA, The rated leakage action time shall not be greater than ( )s.( C )
A、15mA、0.1s
B、15mA、0.2s
C、30mA、0.1s
D、30mA、0.2s
34、【 Single topic selection 】 steam 、 Water sampling must pass through ().( B )
A、 Heating device
B、 cooling system
C、 Filter unit
D、 Moisture absorption device
35、【 Single topic selection 】 The height of the operating platform shall not exceed 5m, Stability checking calculation shall also be carried out , And take measures to reduce the of columns ( )( B )
A、 Aspect ratio
B、 Slenderness ratio
C、 Area of operating platform
D、 Pole spacing
36、【 Single topic selection 】 The process by which a substance changes from a liquid state to a solid state is called ().( A )
A、 freezing
B、 liquefaction
37、【 Single topic selection 】() Are two different aspects of communicating with babies .( C )
A、 Facial expressions and hand movements
B、 Listen and communicate
C、 Understand and speak
D、 Verbal communication and nonverbal communication
38、【 Single topic selection 】GB1576 Pot water in the standard PH The value should be controlled at ____.( B )
A、8~10
B、10~12
C、9~11
39、【 Single topic selection 】 Temperature characteristics of convection superheater , When the boiler load increases , Fuel consumption (), Due to the heat absorption of water wall, there is little growth , More heat will leave the furnace with the flue gas , Flue gas velocity and temperature in convection superheater (), Working medium in superheater ' Safety student Production simulation Pass the exam at one o'clock ' And then the enthalpy of ().( A )
A、 Increase... Increase
B、 Increase increase decrease
C、 Decrease, increase, decrease
D、 Increase and decrease unchanged
40、【 Single topic selection 】 The accidental injury insurance premium for the personnel engaged in dangerous operations on the construction site shall be borne by ( ) payment .( B )
A、 Construction unit
B、 Construction unit
C、 Subcontractors
D、 personal
41、【 Single topic selection 】 There are construction and installation workers in an engineering team 300 people , Monthly planned construction output value 3750000 element , The wage coefficient of 100 yuan output value is 14%, Then the planned labor productivity of workers is ( ) element / people .( C )
A、10500
B、11500
C、12500
D、13500
42、【 Single topic selection 】 The following concrete pumps are classified by mode of movement ( ).( A )
A、 Fixed type
B、 Piston type
C、 Squeeze
D、 Pneumatic
43、【 Single topic selection 】 The end of the steel wire rope is fixedly connected with a rope clamp , The rope clamp pressing plate shall be on the steel wire rope ().( A )
A、 One side of the long rope
B、 One side of the short rope
C、 Either side
44、【 Single topic selection 】 according to 《 Safe color 》 Regulations , The safety color is divided into red 、 yellow 、 blue 、 Four colors of green , respectively ( )( C )
A、 prohibit 、 Instructions 、 Warnings and tips
B、 Instructions 、 prohibit 、 Warnings and tips
C、 prohibit 、 Warning 、 Instructions and tips
D、 Tips 、 prohibit 、 Warnings and instructions
45、【 Single topic selection 】 according to 《 Regulations on the administration of safe production of construction projects 》 Regulations , Rental of mechanical equipment, construction machines and tools and accessories , Should have ( ).( A )
A、 production ( manufacture ) license
B、 Equipment resume
C、 Product instructions
D、 Product structure diagram
46、【 Single topic selection 】 According to the regulation , The wear or corrosion amount of steel wire on the surface of steel wire rope is up to ( ) when , Should be scrapped .( D )
A、0.07
B、0.1
C、0.2
D、0.4
47、【 Single topic selection 】() The dehydration unit is placed at the last stage outlet of the compressor .( A )
A、 High pressure ;
B、 medium voltage ;
C、 low pressure
48、【 Single topic selection 】 Each electric equipment must have its own special switch box , It is forbidden to use the same switch box to directly control ( ) Taiwan and ( ) More than one electric equipment ( Including socket ).( D )
A、1,3
B、1,2
C、1,1
D、2,2
49、【 Single topic selection 】 Networks of security organizations such as France ,( ) China's management system , In terms of safety work , There is no obvious administrative subordinate relationship between the Ministry and the district and province .( B )
A、 Be similar to
B、 differ
C、 Same as
D、 be better than
50、【 Single topic selection 】 Among the following measures , Those that do not belong to the economic guarantee measures in the safety production guarantee measures of production and business operation entities are ( ).( D )
A、 Ensure labor protection articles 、 Funds required for safety production training
B、 Guarantee the funds needed for work-related injury social insurance
C、 The funds needed to guarantee the safety facilities
D、 Ensure the funds needed for staff accommodation equipment
51、【 Single topic selection 】 The included angle between the cable wind rope of the material hoist and the ground shall not be greater than ( )( A )
A、45 degree
B、50 degree
C、60 degree
D、65 degree
52、【 Single topic selection 】 The formulation and adoption Department of construction law is ( ).( A )
A、 The National People's Congress and its Standing Committee
B、 The State Council
C、 The Standing Committee of the State Council
D、 The competent administrative department of construction under the State Council
53、【 Single topic selection 】 The secondary line of electric welding machine shall adopt ( )( A )
A、 Waterproof rubber sheathed copper core flexible cable
B、 Insulated copper wire
C、 Insulated aluminum wire
D、 Insulation and conductor structures ( As a ground wire )
54、【 Single topic selection 】 The cover of electric welding machine shall be rainproof 、( )、 Moisture-proof .( B )
A、 Windbreak
B、 dustproof
C、 waterproof
D、 Anti impact
55、【 Single topic selection 】 Employees or their close relatives think it is work-related injury , Employers don't think it's work-related injury , from ( ) Bear the burden of proof .( A )
A、 Employer
B、 workers
C、 The government
D、 A close relative
56、【 Single topic selection 】 basis 《 Regulations on safety supervision of special equipment 》 Article 22 provides that , Unqualified cylinder filling unit ().( A )
A、 Do not engage in cylinder filling activities ;
B、 Filling operation is allowed after being approved by the competent department ;
C、 Filling activities can be carried out after being approved by the work safety supervision department ;
D、 Can fill self supplied gas cylinders
57、【 Single topic selection 】 When frog rammer works , One person shall be responsible for tamping , One person passes the cable , And should ( ).( D )
A、 Wear insulating gloves
B、 Wear insulated shoes
C、 Wear a mask
D、 Wear insulated gloves and insulated shoes
58、【 Single topic selection 】 During lifting operation , except ( ) Land available outside " Safety student Production model I plan to pass the exam at one point " Anchor to fix ( C )
A、 Drag rope
B、 Cable wind rope
C、 Movable pulley
D、 windlass
59、【 Single topic selection 】 The diameter of the bottom of the pulley groove of the crane is reduced to the diameter of the steel wire rope due to the wear of the pulley ( ) Should be scrapped .( A )
A、50%
B、40%
C、30%
D、20%
60、【 Single topic selection 】 All data sections ( room ) It is necessary to carry out the safe keeping of the archived data on a regular basis every year ( )% Safety sampling inspection .( A )
A、10
B、20
C、30
D、40
61、【 Single topic selection 】 The diameter of the mandrel of the steel bar bending machine shall be... Of the diameter of the steel bar ( ) times ( C )
A、1.5
B、2
C、2.5
D、3
62、【 Single topic selection 】 The remaining part of the steel wire rope on the drum is in addition to the number of turns of the fixed rope tail , At least... Should be retained () circle ( Safety circle ).( A )
A、2~3
B、3~4
C、4~5
63、【 Single topic selection 】 Excavation of foundation trench in rainy season ( pit ) Or pipe trench , Attention should be paid to ( . most New analysis .)( A )
A、 Slope stability
B、 Drainage
C、 strengthening
D、 Precipitation
64、【 Multiple choice 】 One model is DZL1-1.0-AⅡ Boiler , Its rated evaporation capacity is ____, The rated pressure is ____.( AC )
A、1 Tons of / Hours
B、1.25 Tons of / Hours
C、1.0Mpa
D、1.25Mpa
65、【 Multiple choice 】 The weighing apparatus shall be equipped with gas cylinders () or () Interlocking device . secondly () The oxygen content in the liquid gas exceeds ()( Volume fraction ) It is forbidden to fill .( ABCD )
A、 Overload alarm
B、 Automatically cut off the air supply
C、 Flammable
D、2%
66、【 Multiple choice 】 Climbing operation , The following () No anti-skid measures , You can't climb .( ABC )
A、 The scaffold
B、 Scaffold board
C、 ladder
D、 The light
67、【 Multiple choice 】 According to the toxicity of the medium, it can be divided into ().( ABCD )
A、 Extremely harmful ;
B、 Highly hazardous ;
C、 Moderate hazard ;
D、 Mild hazard
68、【 Multiple choice 】《 Safety Law of the people's Republic of China on special equipment 》 The principle that special equipment safety work should adhere to is ().( ABCD )
A、 Safety first
B、 Prevention first
C、 Energy conservation and environmental protection
D、 Comprehensive management
69、【 Multiple choice 】《 Safety Law of the people's Republic of China on special equipment 》 Regulations , The use of special equipment fails to go through the use registration in accordance with the regulations , Order to make corrections within a time limit ; Failing to correct within the time limit , Order to stop using relevant special equipment , It's about () above () The following fines .( AC )
A、1 Ten thousand yuan
B、2 Ten thousand yuan
C、10 Ten thousand yuan
70、【 Multiple choice 】 Time weighted average allowable concentration of toxic substance ammonia in the air of workplace ≦(), Allowable concentration of short-time exposure ≦().( AC )
A、20mg/m3
B、25mg/m3
C、30mg/m3
D、35mg/m3
71、【 Judgment questions 】 It is strictly prohibited to attach billboards or other standard boards to the tower of the tower crane .( √ )
72、【 Judgment questions 】 The inspection cycle of seamless gas cylinders is 3 year .()( × )
73、【 Judgment questions 】 In the industrial injury insurance mechanism, the task of the government is to prevent accidents and pay the insurance premium after accidents .( √ )
74、【 Judgment questions 】 The boiler can be chemically cleaned , So there is no need to carry out water treatment .( × )
75、【 Judgment questions 】 The vehicle gas cylinder filling unit may charge the gas cylinder that has not been used or registered 、 Safe production Mock exam A little 、 Filling of gas cylinders that are inconsistent with the use registration certificate .( × )
76、【 Judgment questions 】 The setting sequence of safety valve is from low pressure to high pressure .( × )
77、【 Judgment questions 】 During construction and production , Cause death 、 damage 、 Occupational Diseases 、 Accidents of property loss or other losses , It is called production safety accident .( √ )
78、【 Judgment questions 】 Under the condition of complying with relevant gas cylinder safety technical specifications and national standards , The manufacturer of gas cylinders can meet the requirements of the filling unit of gas cylinders , Production of special identification gas cylinders .()( √ )
79、【 Judgment questions 】 When loading mechanical equipment , Lifting rings shall be used for lifting , Do not bind the steel wire rope on the finishing face .( √ )
80、【 Judgment questions 】 The heat produced by the hot water boiler per hour , Called the heat supply of the boiler . For symbols Q Express , Unit is MW.( √ )
81、【 Judgment questions 】 Air preheater is an exchange equipment that uses the waste heat of flue gas in the tail flue to heat air .()( √ )
82、【 Judgment questions 】 When a large amount of chlorine gas leaks out in case of failure , Workers should wear gas masks immediately , Open doors and windows , Open the indoor water spraying valve , Put the chlorine bottle into the alkali water tank . Last , Extract the residual chlorine with the exhaust fan .()( × )
83、【 Judgment questions 】 Compressed gas is in gaseous state during filling at normal temperature and during storage, transportation and use at allowable working temperature .()( √ )
84、【 Judgment questions 】 There is... In the human body 20% Left and right lead is discharged from the body through hair and nail shedding .()( × )
85、【 Judgment questions 】 Safety target assessment system is the core of all safety rules and regulations of construction enterprises .( × )
86、【 Judgment questions 】 The slope top will be impacted by sloping excavation 、 Slope 、 Water lowering and drainage measures shall be taken at the slope toe .( √ )
87、【 Judgment questions 】 During construction , According to need , Temporary fire fighting facilities and temporary evacuation facilities can be removed .( × )
88、【 Judgment questions 】 General Administration No 115 Orders 《 Regulations on accident report, investigation and handling of special equipment 》 The special equipment accident mentioned in , It refers to the unsafe state of special equipment or the unsafe behavior of relevant personnel , In special equipment manufacturing 、 install 、 reform 、 maintenance 、 Use ( Including mobile pressure vessels 、 Cylinder filling )、 Casualties caused by inspection and testing activities 、 property loss 、 Serious damage or interruption of operation of special equipment 、 Personnel stranded 、 Personnel transfer and other emergencies .( √ )
89、【 Judgment questions 】 The method of shifting attention or deliberately coldness is the right way to communicate with infants in the period of psychological resistance ‘ Security raw production The mock exam is a little through ‘ Law .()( √ )
90、【 Judgment questions 】 Generally speaking , Hoisting machinery is often made of... With general toughness Ⅱ Wire rope No .( × )
91、【 Judgment questions 】 When measuring hardness, add buffer and indicator , If the solution is wine red , Indicates the presence of hardness .()( √ )
92、【 Judgment questions 】 The boiler superheater adopts hierarchical control : The whole superheater is divided into several stages , Each stage is equipped with a desuperheating device , Control the steam temperature of Superheaters at all levels respectively , Maintain the main steam temperature as the given value .()( √ )
93、【 Judgment questions 】 The protective part of cam controller is composed of hand wheel and arc extinguishing cover to prevent arc short circuit .( × )
94、【 Judgment questions 】 When the floating bed runs to failure , The upper resin has completely failed .( × )
95、【 Judgment questions 】 Blowdown shall be carried out in the spirit of “ Line up frequently 、 Row less 、 Uniform row ”,“ Discharge under low load ” Principles , At least... Per shift 1 Time .( √ )
96、【 Judgment questions 】 Office area at the construction site 、 The living area shall be set separately from the operation area , And keep a safe distance .( √ )
97、【 Judgment questions 】 according to 《 Law of the people's Republic of China on the prevention and control of air pollution 》 The provisions of the , Construction land temporarily unavailable , The construction unit shall cover the exposed ground ; More than three months , Greening should be carried out 、 Pave or cover .( √ )
98、【 Judgment questions 】 Fire fighting products must comply with national standards ; There is no national standard , Must meet industry standards . No production 、 Sell or use unqualified fire-fighting products and fire-fighting products officially eliminated by the state .( √ )
99、【 Judgment questions 】 The production and business operation unit shall be locked in the production and business operation site 、 Blocking the export of production and business premises , Order to make corrections within a time limit , 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 .( √ )
100、【 Judgment questions 】 The power distribution cabinet shall be equipped with power isolation switch and short circuit 、 overload 、 Leakage protection appliances . There shall be obvious breakpoints when the power disconnector is disconnected .( √ )
Support accurate safety officers in all regions of the country -A Certificate examination questions , Support safety certificate , Special operation certificate , Exercises on the question bank of vocational skill appraisal and other types of work .
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