SAFETY - Practice Mode

1) Which is used to protect eyes while grinding?

Apron Shoes Helmet Goggles

Correct Answer: Goggles

2) Which is the less expensive less polluted and energy saving waste disposal method?

Recycling Land fills Composting Burning the waste material

Correct Answer: Recycling

3) Which fire extinguishers is used for flammable liquid fires?

Halon extinguisher Foam extinguisher Water filled extinguisher (Gas cartridge type) Water filled extinguisher (Stored pressure type)

Correct Answer: Foam extinguisher

Explanation:

Actuator is a device converts hydraulic energy into mechanical energy.

4) Which fire extinguishers is used with electrically non-conductive chemicals?

Halon extinguisher Foam extinguisher Dry powder extinguisher Water filled extinguisher

Correct Answer: Foam extinguisher

Explanation:

Air Compressor is the power source of the pneumatic system.

5) Which type of extinguisher is used for class D fire?

Foam extinguisher Dry powder extinguisher Water filled extinguisher (gas cartridge type) Water filled extinguisher (stored pressure type)

Correct Answer: Dry powder extinguisher

Explanation:

According to Pascal’s law, the intensity of pressure at any point in a fluid at rest is same in all directions.
Pascal's law is applied in hydraulic brake system.

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