Fuels And Combustion MCQ Questions & Answers

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Each section contains 100 MCQs on Fuels and Combustion .

Percentage of carbon monoxide in blast furnace gas may be around

A) 8 B) 14 C) 22 D) 52

Discuss

Answer & Solution

Answer: Option C

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

About __________ Nm³ of air will be required for the complete combustion of 2 Nm³ of CO.

A) 2 B) 3 C) 5 D) 1

Discuss

Answer & Solution

Answer: Option C

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

Lignite is

A) A high rank coal B) A coking coal C) Can be used for gasification and steam generation D) A black banded coal which burns with a non-smoky yellowish flame

Discuss

Answer & Solution

Answer: Option C

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

Which of the following is called "blue gas"?

A) Coke oven gas B) Water gas C) Natural gas D) Producer gas

Discuss

Answer & Solution

Answer: Option B

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

Low temperature carbonisation

A) Is mainly for producing the smokeless domestic coke B) Is meant for the production of 'metallurgical coke' C) Produces higher quantity of gas than high temperature carbonisation D) Produces less quantity of tar than high temperature carbonisation

Discuss

Answer & Solution

Answer: Option A

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

Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of

A) MgO & Na₂CO₃ B) MgSO₄ & BaCl₂ C) BaSO₄ & NaCl D) MgCO₃ & NaCl

Discuss

Answer & Solution

Answer: Option A

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

__________ prohibits the use of alcohols directly in petrol engines.

A) Low octane number B) High cost & availability C) Low flash point D) Low calorific value

Discuss

Answer & Solution

Answer: Option B

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

Gross and net calorific value of a fuel will be the same

A) If its ash content is zero B) Ifits carbon content is very low C) If its hydrogen/hydrogen compound content is zero D) Under no circumstances

Discuss

Answer & Solution

Answer: Option C

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

Out of the following fuels, the difference between gross and net calorific value will be minimum in case of

A) Coke oven gas B) Water gas C) Natural gas D) Blast furnace gas

Discuss

Answer & Solution

Answer: Option D

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

Desirable "Micum Index" values of metal-lurical coke are

A) M₄₀ > 78% and M₁₀ < 10% B) M₄₀ > 4% and M₁₀ < 80% C) M₄₀ > 10% and M₁₀ < 78% D) M₄₀ > 98% and M₁₀ < 2%

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