Q. Which of the following is known to decompose the organic matter of wastes?

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Q. Which of the following is not an objective of composting?

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Q. Pre-treatment of the wastes by composting leads to greenhouse effect.

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Q. What of the following microorganisms have a major role in compositing?

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Q. Which of the following components are present in the waste air of aerobic respiration?

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Q. Which of the following methods cannot be used for gas exchange in the heap?

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Q. Which of the following mechanism can optimize the input of hazardous metals?

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Q. Post processing of the compost leads to increase in quality.

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Q. Which of the following method is not a post processing activity?

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Q. Which of the following methods leads to increase of surface area for microorganisms to act?

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Q. Which of the following methods enhance the intensity of disintegration?

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Q. Non-reactor system is a classification of the composting systems.

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Q. Which of the following is not a type of reactor system used for microbial composting?

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Q. Which of the following methods is the simplest way of microbial composting?

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Q. Which of the following methods doesn’t use thermal disinfection method?

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Q. Which non-reactor system serves as a direct contact between the waste and the atmosphere?

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Q. Which of the following methods are not the result of windrow composting when the wastes are distributed?

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Q. Reactor composting leads to forced exchange of gases.

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Q. Which of the following has a helical ridge?

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Q. Which of the following has a vertical flow of waste in a reactor system?

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