2026.9.17--Quiz 1

Full score: 10 points.Due by September 27.Total: 20 questions, 0.5 points each. 

Q1:Student ID(学号):

填空1

Q2:Name(姓名):

填空1

Q3:The voltage of this type of socket in China is: [图片]

220 V
110 V
330 V
380 V

Q4:The voltage of this type of socket in China is:[图片]

220 V
110 V
330 V
380 V

Q5:What should you do first if someone gets an electric shock?

Pull him away from the wire.
Turn off the power switch.
Call the emergency number.
Give first aid immediately.

Q6:The phone number for electrical maintenance in the Chemistry Building:

62758729
62751709
62752119
62755110

Q7:What does this symbol mean?  [图片]

Beware of laser
Beware of ionizing radiation
Beware of biological hazards
Beware of corrosive substances

Q8:What does this symbol mean?   [图片]

Beware of high temperature
Beware of ionizing radiation
Beware of biological hazards
Beware of explosion

Q9:What does this symbol mean?   [图片]

Beware of laser
Wear safety goggles
No spectacles allowed
Eyewash station nearby

Q10:What must NOT be used to put out an electrical fire?

Carbon dioxide fire extinguisher
Water
Dry powder fire extinguisher
Fire blanket

Q11:Which is a qualified power strip?[图片]

A
B

Q12:Power strips in the laboratory may be placed on the floor when in use.

True
False

Q13:Mercury thermometers can be placed in an oven for temperature calibration.

True
False

Q14:Electric heating equipment should be turned off promptly after use.

True
False

Q15:Ethanol should be stored in a refrigerator.

True
False

Q16:Electric bicycle batteries may be brought indoors for charging.

True
False

Q17:In the chemistry laboratory, you do not need to wear safety goggles if you wear prescription glasses.

True
False

Q18:Reagents with biohazards should be handled on a clean bench.

True
False

Q19:Used laboratory gloves should be placed into a dedicated waste bin.

True
False

Q20:When using a fume hood, the sash should be kept as low as possible.

True
False

Q21:Emergency showers are installed at the entrance of every laboratory in Zone A and Zone C of the Chemistry Building.

True
False

Q22:Long hair must be tied back in the chemistry laboratory.

True
False
2026.9.17--Quiz 1
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