Fuels And Combustion MCQ Questions & Answers

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Each section contains 100 MCQs on Fuels and Combustion .

While the first commercial low temperature coal carbonisation plant is located at Neyveli (in Chennai), the second such plant has been built at

A) Dankuni (West Bengal) B) Dhanbad C) Singreni (A.P.) D) Raniganj

Discuss

Answer & Solution

Answer: Option A

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

The maximum adiabatic flame temperature is attained, when the fuel is burnt with

A) Theoretically required amount of air B) More than theoretically required amount of air C) Less than theoretically required amount of air D) Theoretically required amount of oxygen

Discuss

Answer & Solution

Answer: Option D

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

To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in

A) Shallow and small piles B) Fine sizes without the presence of any lump C) Closed space without any ventilation facility D) Large heaps with small surface to volume ratio

Discuss

Answer & Solution

Answer: Option A

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

Which of the following is not applicable to fluidised bed combustion of coal?

A) It can not burn low grade coal B) It achieves higher fuel combustion efficiency C) Less heat transfer surface area is required in boilers D) None of these

Discuss

Answer & Solution

Answer: Option A

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

Size of blast furnace grade coke is __________ mm.

A) 25-80 B) 0-15 C) 15-25 D) >100

Discuss

Answer & Solution

Answer: Option A

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

The heat of combustion of a fuel

A) Is equal to the heat of formation B) Is always negative C) Can't be known without calculating it D) Is always positive

Discuss

Answer & Solution

Answer: Option B

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

The ratio of % total carbon obtained in the ultimate analysis of coke and % fixed carbon obtained in the proximate analysis is always

A) 1 B) < 1 C) > 1 D) Unpredictable

Discuss

Answer & Solution

Answer: Option C

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

Compound coke ovens are those which can be heated by

A) Both steam and electrical power B) Lean gas (e.g., B.F. gas) C) Rich gas (e.g., coke oven gas) D) Both B and C

Discuss

Answer & Solution

Answer: Option D

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

Bomb calorimeter is used to determine the (where, GCV - Gross Calorific Value. NCV - Net Calorific Value.)

A) GCV at constant pressure B) GCV at constant volume C) NCV at constant pressure D) NCV at constant volume

Discuss

Answer & Solution

Answer: Option B

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

100

Which of the following is a measure of the agglutinating (i.e., binding) property of coal?

A) Thickness of plastic layer B) Caking index C) Swelling index D) Gray-king index

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