Explore topic-wise MCQs in Engineering Chemistry.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the fuel has the highest calorific value?

A. Butane
B. Wood
C. Kerosene
D. Natural gas
Answer» B. Wood
2.

Which of the following properties a good fuel should have?

A. Low Calorific value
B. Moderate Calorific value
C. High Calorific value
D. High ignition temperature
Answer» D. High ignition temperature
3.

Net Calorific Value is greater than Gross Calorific Value.

A. True
B. False
Answer» C.
4.

What’s the basic formulae for calculating gross calorific value?

A. [8080 %C + 3450(%H – %O∕8) + 2240 %S]∕100 cal/gm
B. [8080 %C + 34500(%H – %O∕24) + 2240 %S]∕100 cal/gm
C. [8080 %C + 34500(%H – %O∕16) + 2240 %S]∕100 cal/gm
D. [8080 %C + 34500(%H∕1 – %O∕8) + 2240 %S]∕100 cal/gm
Answer» E.
5.

How does the latent heat of condensation is included in gross calorific value?

A. By the steam produced by the combustion of hydrogen
B. By the combustion of products other than carbon and hydrogen
C. By the combustion of carbon
D. By the total heat produced in the system
Answer» B. By the combustion of products other than carbon and hydrogen
6.

What happens to the hydrogen present in fuel for calculating gross calorific value?

A. It combines with carbon to form methane
B. It combines with chlorine to form hydrochloric acid
C. It combines with oxygen to form hydrogen per oxide
D. It gets converted into steam
Answer» E.
7.

At how much temperature does the products of combustion should be cooled down to get Gross Calorific Value?

A. 288 K
B. 315 K
C. 390 K
D. 350 K
Answer» B. 315 K
8.

What is the unit of calorific value in fps(foot pound sec)?

A. Gram calorie (g cal)
B. Pound calorie
C. ?a) Gram calorie (g cal)b) Pound caloriec) British thermal unit/ft3
D. Calorie/gram2
Answer» C. ?a) Gram calorie (g cal)b) Pound caloriec) British thermal unit/ft3
9.

On which property of fuel it’s calorific value is based?

A. Specific heat
B. Efficiency
C. Cost
D. Ignition temperature
Answer» C. Cost