A. Butane
B. Propane
C. Methane
D. Ethane
Answer-C. Methane
Explanation-
2. Which one of the following has the highest fuel value?
A. Gasoline
B. Charcoal
C. Hydrogen
D. Natural gas
Answer – C. Hydrogen
Explanation-
3. The fuel used in a diesel engine:
A. Vapor of diesel and air
B. Diesel only
C. Mixture of diesel and petrol
D. Mixture of diesel, air and petrol
Answer –A. Vapour of diesel and air
Explanation-
4. Which of the following is a natural fuel?
A. Coal gas
B. Tar
C. Coke
D. Petroleum
Answer –D. Petroleum
Explanation-
5. Cetane number is used as a quality parameter mainly for which of the following?
A. Petrol
B. Kerosene
C. Diesel
D. Turpentine Oil
Answer – C. Diesel
Explanation-
6. Cooking gas is mainly
A. Carbon dioxide
B. Carbon monoxide
C. Methane
D. Nitrogen and Oxygen
Answer –C. Methane
Explanation-
7. Which of the following fossil fuels is the cleanest fuel?
A. Coal
B. Petrol
C. Natural gas
D. Diesel
Answer –C. Natural gas
Explanation-
8. The main component of biogas is
A. Hydrogen
B. Methane
C. Butane
D. Acetylene
Answer –B. Methane
Explanation-
9. Octane number is a measure of the quality of
A. Perfumed oil
B. Petrol
C. Kerosene oil
D. Edible oils
Answer –B. Petrol
Explanation-
10. Biogas mainly consists of
A. Carbon dioxide and Hydrogen
B. Hydrogen and Methane
C. Carbon dioxide and Methane
D. Hydrogen and Oxygen
Answer –C. Cardon dioxide and Methane
Explanation-