Fuels And Combustion MCQ Questions & Answers

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Each section contains 100 MCQs on Fuels and Combustion .

Hard pitch is used for making

A) Pulverised fuel B) Perfumes C) Insecticides D) Plastics

Discuss

Answer & Solution

Answer: Option A

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

Traces of tar fog present in the coke oven gas is removed by

A) Cyclone separator B) Wet packed scrubber C) Electrostatic precipitator D) Washing with monoethanolamine

Discuss

Answer & Solution

Answer: Option C

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

Which of the following has the highest heat of combustion?

A) H₂ B) CO C) CH₄ D) C₂H₆

Discuss

Answer & Solution

Answer: Option D

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

Which of the following reactions occuring during coal gasification is called the Neumann reversal reaction?

A) 2CO ⟷ C + CO₂ B) CO + H₂O ⟷ CO₂ + H₂ C) C + H₂O ⟷ CO + H₂ D) C + 2H₂O ⟷ CO₂ + 2H₂

Discuss

Answer & Solution

Answer: Option A

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

Overfire burning in a furnace is a phenomenon characterised by the

A) Supply of excess fuel B) Supply of excess air C) Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air D) None of these

Discuss

Answer & Solution

Answer: Option C

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

Which of the following has the highest theoretical flame temperature ?

A) Blast furnace gas B) Hydrogen C) Acetylene D) Coke oven gas

Discuss

Answer & Solution

Answer: Option C

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

Fischer-Tropsch method aims at the

A) Gasification of coal B) Synthesis of gasoline (from water gas) C) Hydrogenation of coal to produce gasoline D) None of these

Discuss

Answer & Solution

Answer: Option B

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

The liquid used for the washing of coal in an industrial coal washery is a mixture of water and

A) Carbon tetrachloride B) Sand (40%) C) Mineral oil of high viscosity & specific gravity (1.6) D) None of these

Discuss

Answer & Solution

Answer: Option B

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

A coal having high amount of volatile matter

A) Would require smaller combustion chamber B) Produces very little of tar and gas on carbonisation C) Ignites easily and burns with long smoky flame D) All of the above

Discuss

Answer & Solution

Answer: Option D

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

High ash coals

A) Are soft & friable (poor strength and size stability) B) Require longer time of carbonisation as ash offers resistance to heat transfer C) Produce larger quantity of coke oven gas D) None of these

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