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ESE 2021 Technical Quiz || Environmental Engineering || Solid Waste Management

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Question 1

In solid waste management, waste utilization is achieved by

Question 2

Statement (I) : Proximate analysis of MSW is carried out to determine moisture content, volatile matter, and fixed carbon.

Statement (II) : Ultimate analysis of MSW is carried out to determine the full range of chemical composition and the energy value.

Question 3

The moisture content of a certain Municipal Solid Waste with the following composition will be

Question 4

Consider the following statements:
(i) Ammonia nitrogen is a measure of nitrogen present as ammonium hydroxide and ammonium salts. It will progressively decrease as sewage gets treated.
(ii) Organic nitrogen is the total nitrogenous matter in sewage excepting that present as ammonia nitrogen, nitrites and nitrates. It becomes ammonia in anaerobic decomposition and nitrites or nitrates in aerobic de-composition.
Which of the above statements is/are correct?

Question 5

Which of he following pairs are correctly matched:

1. Incineration: High operation and maintenance cost.

2. Sanitary land filling: Problem of foul odour, fly breeding.

3. Pulverization: Reduction in volume and charge in physical characteristics of waste

4. Barging out into sea: Incomplete process.

Choose the correct option using the codes given below:

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Jun 10ESE & GATE CE