Fuels and Combustion - Part 1 Online Exam Quiz

Fuels and Combustion - Part 1 GK Quiz. Question and Answers related to Fuels and Combustion - Part 1. MCQ (Multiple Choice Questions with answers about Fuels and Combustion - Part 1

Higher efficiency in the combustion of solid fuel can not be achieved by


A : proper fuel preparation.

B : keeping the flue gas exhaust temperature very high.

C : adopting efficient-fuel firing technique & equipment.

D : supplying correct quantity of combustion air.

View Answer

A coal containing very high percentage of durain is called __________ coal.


A : bright

B : splint

C : non-banded

D : boghead

View Answer

During combustion of gaseous fuels, deficiency of air


A : lengthens the flame.

B : tends to shorten the flame.

C : does not affect the flame length.

D : increases the flame temperature.

View Answer

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.

View Answer

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.

View Answer

Which of the following is not used as a binder in coal briquetting ?


A : Tar

B : Molasses

C : Pitch

D : Line

View Answer

Size of blast furnace grade coke is __________ mm.


A : 25-80

B : 0-15

C : 15-25

D : >100

View Answer

Presence of __________ in a dry gaseous fuel does not contribute to its calorific value.


A : sulphur

B : oxygen

C : hydrogen

D : carbon

View Answer

The internal energy of the combustion products is __________ compared to that of reactants.


A : more

B : less

C : equal

D : more or less ; (depends on the state of fuel.)

View Answer

Which of the following is not a product of tar distillation ?


A : Phenol & naphthalene

B : Benzol & pitch

C : Anthracene & creosote

D : None of these

View Answer

Chemical Engineering Basics - Part 1 more Online Exam Quiz

Chemical Process - Part 1

Chemical Reaction Engineering - Part 1

Environmental Engineering - Part 1

Fertiliser Technology - Part 1

Fluid Mechanics - Part 1

Furnace Technology - Part 1

Heat Transfer - Part 1

Mass Transfer - Part 1

Materials and Construction - Part 1

Mechanical Operations - Part 1