General Science | Chemistry | Fuel

General Science | Chemistry | Fuel

Jan 28, 2025 - 15:39 Updated: Jan 28, 2025 - 15:51
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1. Which one of the following has the highest fuel value?

Hydrogen
Charcoal
Natural gas
Gasoline

2. Octane number is a measure of the quality of

Edible oils
Petrol
Kerosene oil
Perfumed oil

3. Which of the following is a natural fuel?

Coal gas
Tar
Coke
Petroleum

4. Which of the following fossil fuels is the cleanest fuel?

Coal
Petrol
Natural gas
Diesel

5. Cetane number is used as a quality parameter mainly for which of the following?

Petrol
Kerosene
Diesel
Turpentine Oil

6. The fuel used in a diesel engine

Vapour of diesel and air
Diesel only
Mixture of diesel and petrol
Mixture of diesel, air and petrol

7. Cooking gas is mainly

Carbon dioxide
Carbon monoxide
Methane
Nitrogen and Oxygen

8. Which one of the following gases, released from biogas plant is used as a fuel gas?

Butane
Propane
Methane
Ethane

9. Biogas mainly consists of

Carbon dioxide and Hydrogen
Hydrogen and Methane
Cardon dioxide and Methane
Hydrogen and Oxygen

10. The main component of biogas is

Hydrogen
Methane
Butane
Acetylene

11. The main component of Gobar Gas is

Methane
Ethane
Propane
Chlorine

12. Which of the following is the procedure for a biogas plant?

Fermentation
Reduction
Hydrogenation
Polymerization

13. Who among the following invented 'Gobar Gas' system?

C.V. Raman
J.C. Bose
S.V. Desai
H. Khurana

14. The main component of Liquid Petroleum Gas (LPG) are

Methane, Ethane and Hexane
Methane, Pentane and Hexane
Ethane, Propane and Butane
Methane, Carbon Monoxide and Hydrogen

15. What is the main component of L.P.G.?

Methane
Ethane
Propane
Butane

16. LPG used as domestic fuel chiefly contains

Methane
Propane
Ethylene
None of these

17. Indane gas is a mixture of

Butane and Hydrogen
Butane and Oxygen
Butane and Propane
Methane and Oxygen

18. The stench due to leakage from LPG cylinder is because of

Methane
Propane
Butane
Ethyl mercaptan

19. The Pressure gauge is not given in the domestic LPG cylinders because

They are so costly
They cannot represent the quantity of gas in LPG cylinders
Their use is not safe
They are choked by LPGs

20. In what form cooking gas is supplied in cylinders?

Liquid
Gas
Solid
Solution

21. CNG is

Compressed Natural Gas
Cyanogen Natural Gas
Condensed Nitrogen Gas
Controlled Natural Gas

22. Which is main component of natural gas?

Methane
Ethane
Propane
Benzene

23. Gasohol is

Ethyl alcohol + Petrol
Natural gas + Ethyl alcohol
Any gas dissolved in alcohol
Ethyl alcohol + Kerosene oil

24. Gasohol is a mixture of

Gasoline and Methanol
Gasoline and Ethanol
Gasoline and Propanol
Methanol and Ethanol

25. To avoid 'knocking' of the engine of a car, which one of the following is used as anti-knocking agent?

Ethyl alcohol
Butane
Lead Tetra Ethyl
White Petrol

26. Tetraethyl Lead (TEL) is added to petrol

To prevent it from freezing
To increase its flash points
To increase its rating anti-knocking
To increase its boiling point

27. Which one of the following is used as an anti-freeze for the automobile engines?

Propyl alcohol
Ethanol
Methanol
Ethylene glycol

28. Diesel used in heavy vehicles for

Extra mileage and save engine
Low expense and save the fuel
High power and financially secure
Being cheaper than low petrol

29. Hydrogen gas can be conveniently used as a fuel for running vehicles if it is absorbed at very low temperature by a substance only to be released at the temperature generated by the exhaust. What is the substance found in India?

Hydride
Coals
Soapstone
Resins