Fuels And Combustion MCQ Questions & Answers

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Each section contains 100 MCQs on Fuels and Combustion .

Bomb calorimeter can be used to determine the __________ of the coal.

A) Sulphur content B) Calorific value C) Both A & B D) Neither A nor B

Discuss

Answer & Solution

Answer: Option C

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

Calorific values of both the solid as well as the liquid fuels can be determined by __________ calorimeter.

A) Bomb B) Boy's C) Junkar's D) None of these

Discuss

Answer & Solution

Answer: Option A

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

Calorific value as determined by bomb calorimeter is the

A) Higher calorific value at constant volume B) Gross calorific value at constant pressure C) Lower calorific value at constant pressure D) Net calorific value at constant volume

Discuss

Answer & Solution

Answer: Option A

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

Which of the following is the most poisonous gas?

A) Coke oven gas B) Producer gas C) Blast furnace gas D) L.D. converter gas

Discuss

Answer & Solution

Answer: Option D

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

Efficient burning of anthracite coal requires

A) Low preheat of air B) Fine grinding C) High excess air D) All of the above

Discuss

Answer & Solution

Answer: Option B

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

Washing of coal does not reduce its

A) S & P content B) Heating value C) Fusion point of ash D) None of these

Discuss

Answer & Solution

Answer: Option D

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

Nitrogen in coal

A) Is present upto 1-2% B) Comes from protein in parent vegetable matter C) Is recovered as ammonia during its carbonisation D) All of the above

Discuss

Answer & Solution

Answer: Option D

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

Oxygen required for theoretically complete combustion of 1 Nm³ methane is __________ Nm³.

A) 2 B) 4 C) 6 D) 1

Discuss

Answer & Solution

Answer: Option A

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

A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the

A) Presence of large quantity of hydrogen in the fuel B) Low calorific value of the fuel C) High sulphur content in the fuel D) Lack of thorough mixing of fuel with air

Discuss

Answer & Solution

Answer: Option D

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

Coking time in narrow by-product coke ovens is around __________ hours.

A) 18 B) 48 C) 8 D) 80

Discuss

Answer & Solution

Answer: Option A

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

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Fuels And Combustion MCQ Questions & Answers | Chemical Engineering