QUIZ CHAPTER 6 SOLID WASTE MANAGEMENT

“Slow decomposing and dry waste. Consists of a variety of combustible and non-combustible solid waste from homes, stores and institutions but does not include garbage”.

Which one of this term related to solid waste?

• Rubbish

• Refuse

• Trash

• Sewage

Calculate the moisture content of 100 kg solid waste sample if the total dry mass (kg) is 64.5.

• 3.55%

• 35.5%

• 9.94%

• 99.4%

Based on a 100 kg sample of waste and moisture content of the waste is 35.4%, calculate the unit energy content. Given the total energy of the sample is 20202 kJ.

• 31272

• 3127.2

• 7152

• 715.2

The advantages of this truck route method are it is good for backyard pickup and route size can be adjusted. This statement refers to:

• Daily route method

• Large route method

• Single load method

• Definite working day method

A complete layer of cells over the active area of landfill. This statement relates to land filling terms of:

• Cell

• Bench

• Lift

• Cover

This figure refers to method of landfill operation of:

• Area fill

• Trench fill

• Depression fill

This thermal treatment method does not involve reactions with oxygen, water, or any other reagents. In practice, it is not possible to achieve a completely oxygen-free atmosphere. This statement refers to:

• Gasification

• Waste Autoclave

• Pyrolysis

• Incineration

“A waste treatment technology, which includes the combustion of waste for recovering energy. The waste material that is treated is converted into energy (heat), flue gas and slag. These products are later used for generation of electricity”.

This statement refers to the thermal treatment method of:

• Gasification

• Waste Autoclave

• Pyrolysis

• Incineration

Below are list stand for 4R’s concepts EXCEPT.

• Reduction

• Reuse

• Recycling

• Remove

____________ turns materials that would otherwise become waste into valuable resources.

• Reduction

• Reuse

• Recycling

• Remove