Fuels And Combustion MCQ Questions & Answers

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Each section contains 100 MCQs on Fuels and Combustion .

The calorific value of L.D. converter gas is about __________ kcal/Nm³.

A) 1800 B) 800 C) 4500 D) 10000

Discuss

Answer & Solution

Answer: Option A

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

Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of

A) Less air for combustion B) Correct amount of air for combustion C) Too much air for combustion D) Pulverised coal in boilers

Discuss

Answer & Solution

Answer: Option C

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

Calorific value of coke oven gas is around __________ kcal/Nm³.

A) 900 B) 4200 C) 7500 D) 2000

Discuss

Answer & Solution

Answer: Option B

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

Calorific value of of blast furnace gas is around __________ kcal/Nm³.

A) 850 B) 1800 C) 4200 D) 6500

Discuss

Answer & Solution

Answer: Option A

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

Presence of free moisture in coal is most disadvantageous during

A) Its pulverisation (as it requires more power) B) Combustion of fire slacks on the grates C) Handling (e.g. when emptying wagons) D) None of these

Discuss

Answer & Solution

Answer: Option A

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

Which of the following is not a 'manufactured' fuel?

A) LPG B) Coal briquettes C) Tar D) Colloidal fuels

Discuss

Answer & Solution

Answer: Option C

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

Laboratory gas is obtained by the cracking of

A) Gasoline B) Diesel C) Fuel oil D) Kerosene

Discuss

Answer & Solution

Answer: Option D

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

Coal tar (produced by high temperature carbonisation) is the main source of

A) Aromatic compounds B) Alphatic compounds C) Paraffins D) Olefins

Discuss

Answer & Solution

Answer: Option A

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

The main reason for making the copper calorimeter (used in bomb calorimeter) silvery white and shining/polished is to

A) Minimise its corrosion B) Avoid radiation heat loss C) Make it look attractive D) None of these

Discuss

Answer & Solution

Answer: Option B

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

100

Largest constituent of blast furnace gas is

A) N₂ B) CO C) CO₂ D) H₂

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