Fuels And Combustion MCQ Questions & Answers

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Each section contains 100 MCQs on Fuels and Combustion .

As time passes, the calorific value of stored coal

A) Decreases B) Increases C) Remains unaltered D) May increase or decrease (depends on the method of storage)

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Cannel coal

A) Is non-coking B) Has a high volatile matter content and burns with a luminous smoky flame C) Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named D) All of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

In flue gas analysis by Orsat's apparatus, carbon monoxide is absorbed by

A) Cuprous chloride B) Potassium hydroxide C) Alkaline pyrogallol solution D) None of these

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Low temperature carbonisation of coal produces

A) Metallurgical coke B) Soft coke C) Very low calorific value coke oven gas D) No by-products

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

High temperature carbonisation of coal produces

A) Inferior coke compared to low temperature carbonisation B) Less of gases compared to liquid products C) Large quantity of tar compared to low temperature carbonisation D) None of these

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Fuel combustion is never cent per cent efficient due to

A) Incomplete combustion B) Dry gas/stack gas loss C) Moisture loss D) All of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Coal is pulverised before burning in large capacity boiler furnaces mainly to

A) Ensure its complete combustion B) Facilitate easy ash removal C) Enhance its calorific value D) Provide trouble free operation

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Spontaneous combustion of coal on storage results due to

A) Inadequate ventilation B) Low temperature oxidation C) Storage in large heaps with small surface to volume ratio D) All of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Coalification means the

A) Process of conversion of lignite into anthracite B) Underground gasification of coal C) Complete combustion of coal D) Direct hydrogenation of coal

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Coking coals are invariably

A) Lignites B) Bituminous coals C) Semi-anthracites D) Anthracites

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

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Fuels And Combustion MCQ Questions & Answers | Chemical Engineering