Questions and Answers of Building Safety Knowledge Contest (3)

"Four prohibitions" means that mechanical and electrical equipment is not allowed to operate in spite of illness; Do not overload operation; Maintenance is not allowed during operation; When mechanical and electrical equipment is running, the operator shall not extend his head, hands and body out of the range of mechanical travel.

Third, grab the answer (***40 questions, each question 10)

1, the policy of safe production is (a)

First, safety first, prevention first, comprehensive management

B, safety first, prevention first, combining prevention with elimination.

C, safety first, prevention first, combining prevention with control.

2, production safety accident level is divided into (b).

I. General accidents, major accidents, major accidents, major accidents and particularly major accidents

B, general accidents, major accidents, major accidents, especially major accidents.

C, major accidents, major accidents, major accidents, especially major accidents

3, labor protection articles "four unification" refers to (a)

I. Unified planning, unified standards, unified procurement and unified distribution

B, unified planning, dressing the, unified procurement, unified wear.

C, unified planning, unified standards, unified procurement, unified destruction

4, safe voltage level is divided into (a) five grades.

A42V，36V，24V， 12V，6V

B6 Volt, 12 Volt, 24 Volt, 42 Volt, 84 Volt.

C6 Volts, 12 Volts, 24 Volts, 36 Volts, 48 Volts.

5. In (c), China established the enterprise safety production access system by law for the first time, which is an important measure to strengthen the source management of safety production and fully implement the safety production policy of "safety first, prevention first".

A. Regulations on the Administration of Work Safety

B, "production safety law"

C. Regulations on Safety Production License

6, according to the relevant provisions of the state, have the right to special operations personnel of production and business units of special operations qualification certificate examination and certification unit is (B).

A. Safety training institutions

B. Safety production supervision and management department

C. Labor and social security departments

7. The four colors of safety color are (B)

Red, yellow, white and black

Red, yellow, blue and green

Red, yellow, blue and black

8, wire rope broken generally have (c) omen, easy to check, easy to prevent accidents.

First, the surface is bright

get rusty

C, broken wires, broken strands

9. In the power system of the construction site, the PE line connecting the exposed conductive parts of electrical equipment should adopt (B).

I. Insulated aluminum wire

B, insulated copper wire

C. Low carbon steel wire

10, the horizontal distance between the switch box and the electrical equipment should not exceed (a)

I. 3m

b、5m

c、8m

1 1. Before entering a new post or a new construction site, the operator shall accept (c).

I. Professional training

B, operating procedure training

C, production safety education and training

12, the temporary dormitory is not less than (c) from the production site with high fire risk.

A, 10 meter

B, 20 meters

30 meters

13, the main occupational hazard of welder contact is (c)

First, infrared rays

ultraviolet ray

C, manganese dust

14, the main point of using seat belts is (c)

First, low hanging and high use

B, homework personnel chest level.

C, hang high and use low

15. According to the noise regulations of industrial enterprises in China, the allowable noise of newly built, rebuilt and expanded enterprises is (B).

A: 60 decibels

85 decibels

C, 90 decibels

16, China's fire policy is: (a)

A. Safety first, prevention first.

B, prevention first, combining prevention with elimination.

C, prevention first, combining prevention with control.

17, if the skin contains chemicals, it should be (a)

A, immediately rinse the affected area slowly with clear water.

B, immediately dry with a cloth.

C, after finishing the work as soon as possible, seek medical advice.

18, when the car refuels (c)

First, it is forbidden to use car horns.

B, it is forbidden to turn on the fog lights.

C, prohibit the use of hand-held phones

19, personnel engaged in special operations must be at least (a) years old?

a、 18

b、20

c、22

Day 24

20, the red line in the three-wire cable represents (B)

First, the zero line

B, fire line

C, grounding wire

2 1, if the workplace is wet, in order to avoid electric shock, people who use hand-held power tools should (b)

A, standing on the iron plate operation

B, standing on the insulating rubber plate operation

C, wear anti-static shoes operation

22, trapped in the elevator should be (C)

First, open the door and escape

B, escape from the top of the elevator

C. Call for help or shout loudly

23. If people are exposed to (b) noise environment for a long time, it will lead to permanent hearing loss?

I. 100 dB

120 dB

C, 140 dB

24. The main reasons why people are killed by fire are: (b)

First, being trampled on

B, suffocation

C, burns

25. In case of fire, which of the following escape methods is incorrect? (3)

Cover your mouth and nose with a wet towel.

B. Bend down and run to a safe place quickly.

C, hiding under the bed, waiting for firefighters to rescue.

D, immediately run to a safe place from the nearest fire escape.

26, before and after loading and unloading dangerous chemicals, vehicle warehouse must be necessary (a), clean, tools used in loading and unloading operations should be able to prevent sparks.

A. Ventilation equipment

B, washing

C, disinfection

27, storage of dangerous chemicals warehouse management personnel must be equipped with reliable (A).

I. Labor protection articles

B, safety supervision and measuring instruments

C, portable fire fighting equipment

28. When encountering a thunderstorm outdoors, which of the following practices is not easy to be dangerous? c)

A, hiding under the billboard

Hide under a big tree

C. When there is nowhere to hide, put your legs together and squat down.

29, serious external bleeding caused by accidents, should be (b).

A, clean the wound and bandage it.

B, directly with a cloth to stop bleeding.

C, absorbent cotton will flow out of blood.

30, with a fire extinguisher, aim at the flame (C).

I. Upper part

B, the central part

C, root

3 1. Project (c) newly built, rebuilt and expanded by production and business units must be designed, constructed and put into production and use at the same time as the main project.

I. Living facilities

B, welfare facilities

C, safety facilities

32, safety signs are divided into four categories, they are (b).

1. Traffic signs, no traffic signs, warning signs and warning signs

B. Prohibition signs, warning signs, command signs and prompt signs

C Prohibition signs, warning signs, traffic signs and warning signs

D. Prohibition signs, warning signs, command signs and traffic signs

33. Which of the following gases is flammable? (2)

A. Carbon dioxide

acetylene

C, oxygen