Question bank and answer of the 11th Jiangsu University Students' Safety Knowledge Competition in 2022 (question 40 1-500)
40 1, it is forbidden to store inflammable and explosive articles in the dormitory, and the inflammable and explosive articles belong to ().
A. A large number of lighters
B.fireworks, fireworks
C. methane
D. Alcohol and gasoline
Correct answer: ABCD
402, the school fire, students should be ().
A. Don't panic, follow instructions and evacuate in an orderly manner.
B. Don't push, pull or squeeze, so as to avoid casualties caused by trampling.
C. cover your nose with clothes and things. And bend down to walk in a low posture.
If you are trapped, you should approach corridors and windows, shout for help or wave clothes to send out distress signals.
Correct answer: ABCD
403, high-rise building fire, people can escape by ().
A. Evacuate stairs
B. Ordinary elevator
C. escape to the refuge floor and shelter.
D. the fire corridor fled to another unit.
Correct answer: ACD
404, there are many kinds of fire, there are many ways to put out the fire, the following method is correct ().
A. put out the fire with water after the computer catches fire.
B. When doing the experiment, alcohol accidentally spilled and caught fire. Cover it with sand to put out the fire.
C. all the small household appliances in the dormitory are pressed out by wet fire.
D. If the campus lawn is on fire, put out the fire with a broom.
Correct answer: BCD
405, after the fire, if the escape road has been cut off, should be ().
A. retreat indoors and close the doors and windows leading to the burning room.
B. splash water on the doors and windows
C. Open windows that are not threatened by fireworks
D. Send out a distress signal
Correct answer: ABCD
406, easy to lead to experimental drug poisoning the main way is ().
A. Direct inhalation of respiratory organs
B. Skin infiltration
C.swallow
D contact with experimental drugs after wearing personal protective equipment.
Correct answer: ABC
407, if in the process of experiment, accidentally cut by glass, should be ().
A. first, take out the glass fragments from the wound.
B. If the wound is not big, rinse the wound with distilled water, then apply mercuric chloride, sprinkle with hemostatic powder and wrap it with gauze.
C If the wound is large or the main blood vessel is cut off, hold the main blood vessel hard to prevent massive bleeding.
D. Send to the hospital for treatment in time
Correct answer: ABCD
408, for high voltage and high frequency equipment used in the laboratory, should pay attention to do ().
A. Regular maintenance
B. there are reliable protective measures.
C. If the equipment itself needs safe grounding, it must be grounded.
D. Check the line regularly and measure the grounding resistance.
Correct answer: ABCD
409, which of the following properties of chemicals are dangerous chemicals?
A. explosives
B. flammable
C. Precursors
D. corrosion
Correct answer: ABCD
4 10, the following belongs to the harm of university laboratory is ().
A. nitrogen cylinder
B. muffle furnace (box resistance furnace)
C. hydrofluoric acid
D. experimental platform
Correct answer: ABC
4 1 1, the solvent or flammable chemicals in the container should be burned ().
A. put out the fire with a fire extinguisher
B. Add water to put out the fire
C. Add sand to put out the fire
Cover the bottle mouth with nonflammable tiles, glass sheets or rags.
Correct answer: AC
4 12, the common causes of laboratory fires include ().
A. Open flame
B. Poor maintenance of electrical appliances
C. instruments and equipment shall not be turned off when not in use.
D. careless use of flammable materials
Correct answer: ABCD
4 13, according to the regulations, the laboratory must be equipped with fire extinguishers. If there is an accidental fire, use a fire extinguisher to put it out quickly. The following description about the use of portable ABC dry powder fire extinguisher is correct ().
A. Carry a fire extinguisher quickly and go to the fire point quickly.
B. stop about 5 meters from the burning place.
C, unplug the safety pin, hold the nozzle part at the front end of the injection hose in one hand, and aim at the ignition point.