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1. What are the disadvantages of waste management?

A) Keeps the environment clean and fresh

B) The sites are often dangerous

C) Saves the Earth and conserves energy

D) Reduces environmental pollution

3. The disposal unit shreds food waste into pieces small enough, generally

A) less than 2 mm

B) less than 4 mm

C) less than 6 mm

D) more than 6 mm

4. There are two types of Pneumatic transport of refuse are divided into to system which are centralsug system and BRE system.

A) True

B) False

5. Refuse Chute can be defines as

A) A device, usually electrically powered, installed under a kitchen sink between the sink's drain and the trap

B) The mechanism in the original kitchen sink into which you are meant to put your wet rubbish, vegetable peelings etc and items like cans and bottles.

C) The mechanism in the original kitchen sink into which you are meant to put your wet rubbish, vegetable peelings etc and items like cans and bottles.

D) A waste collection installation, the waste collection installation including at least one refuse chute for temporary containing refuse therein,

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