Fuels, Furnace and Refractories Technology MCQ Questions and Answers

Fuels, Furnace and Refractories Technology MCQ Questions and Answers | Metallurgical Engineering

Enhance your knowledge of Fuels, Furnace and Refractories Technology with this comprehensive collection of MCQ questions and answers. These MCQ questions and answers in Fuels, Furnace and Refractories Technology are specifically designed for students of Metallurgical Engineering who are preparing for the GATE Exam. Strengthen your preparation and excel in your studies with this valuable resource.

How much is the percentage of fixed carbon in semi-anthracite?

A) 65 - 70% B) 45 - 50% C) 80 - 90% D) 55 - 65%

Discuss

Answer & Solution

Answer: Option C

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

How much is the percentage of fixed carbon in lignite?

A) Up to 30 B) Up to 60 C) Up to 90 D) Up to 80

Discuss

Answer & Solution

Answer: Option B

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

How much is the calorific value of lignite coal?

A) 5000 kcal/kg B) 8000 kcal/kg C) 7000 kcal/kg D) 9000 kcal/kg

Discuss

Answer & Solution

Answer: Option A

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

How much is the calorific value of semi-anthracite coal?

A) 85 to 88 kcal/kg B) 850 to 880 kcal/kg C) 85000 to 88000 kcal/kg D) 8500 to 8800 kcal/kg

Discuss

Answer & Solution

Answer: Option D

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

During conventional heating process, the heat flow in materials take place

A) Surface to interior of material B) Interior to Surface of material C) Both A and B D) Neither A nor B

Discuss

Answer & Solution

Answer: Option A

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

For every 10% increase in the excess air; the fuel consumption increases by . . . . . . . . percent.

A) 0.1 B) 2 C) 5 D) 10

Discuss

Answer & Solution

Answer: Option A

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

Higher efficiency in the combustion of solid fuel cannot be achieved by

A) adopting efficient-fuel firing technique & equipment B) proper fuel preparation C) supplying correct quantity of combustion air D) keeping the flue gas exhaust temperature very high

Discuss

Answer & Solution

Answer: Option D

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

Wobbe index' is a characteristic of

A) solid fuels B) gaseous fuels C) fat coals D) liquid fuels

Discuss

Answer & Solution

Answer: Option B

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

During combustion of gaseous fuels, deficiency of air

A) does not affect the flame length B) increases the flame temperature C) tends to shorten the flame D) lengthens the flame

Discuss

Answer & Solution

Answer: Option D

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

The refractory lining of the bottom in a basic electric are furnace in made of

A) silica B) alumina C) magnesia D) fireclay

Discuss

Answer & Solution

Answer: Option C

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