set 3 MCQ Questions & Answers Detailed Explanation

Question : 1

Consider the following statements.

1. Coal, petroleum and natural gas are fossil fuels.
2. Gasohol is mixture of benzene and alcohol.
3. Geothermal energy is nonconventional energy source.
4. Gobar gas contains mainly methane.

a) Only 1, 2 and 3 are correct

b) Only 1 and 2 are correct

c) Only 2 and 3 are correct

d) 1, 3 and 4 are correct

Question : 2

Which one of the following has the highest fuel value?

a) Natural gas

b) Hydrogen

c) Charcoal

d) Gasoline

Question : 3

Which of the following is consumed in the manufacture of urea fertilizer?

a) Chlorine

b) Carbon dioxide

c) Sulphur dioxide

d) Nitric acid

Question : 4

Assertion (A):
The main component of the liquefied petroleum gas is Methane.
Reason (R):
Methane can be used directly for burning in homes and factories where it can be supplied through pipelines.

a) (A) is true, but (R) is false

b) Both (A) and (R) are true and (R) is the correct explanation of (A)

c) Both (A) and (R) are true, but (R) is not the correct explanation of (A)

d) (A) is false, but (R) is true

Question : 5

The most popular fertilizer for foliar application is

a) D.A.P.

b) Sodium Nitrate

c) Urea

d) Potassium Chloride

Question : 6

Cooking gas is mainly

a) Methane

b) Carbon dioxide

c) Carbon monoxide

d) Nitrogen and Oxygen