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Fuel (Carbonaceous)

Fuel (Carbonaceous)

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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following fuels is smokeless and has a higher heat generation efficiency?

  1. Coal
  2. Charcoal
  3. Petrol
  4. Diesel
  5. -
Question 2 Multiple Choice (Single Answer)

The fuel used in thermal power plants is

  1. fossil fuel
  2. water
  3. uranium
  4. biomass
  5. -
Question 3 Multiple Choice (Single Answer)

Name a fuel which contains 75% methane and does not produce smoke.

  1. Charcoal
  2. Biogas
  3. Wood
  4. LPG
  5. -
Question 4 Multiple Choice (Single Answer)

If the oxygen supply is sufficient, then the fuel burns completely, producing mainly a blue flame. In which of the following cases is a blue flame produced?

a. The burning of LPG in a kitchen gas stove
b. The burning of kerosene in a lamp
c. The burning of a wax candle

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 5 Multiple Choice (Single Answer)

All fuels undergo combustion. From the given alternatives, identify the fuel which undergoes slow combustion on burning.

  1. Wood
  2. Kerosene
  3. Petrol
  4. Diesel
Question 6 Multiple Choice (Single Answer)

Which of the following constituents of petroleum is used as a solvent for dry cleaning?

  1. LPG
  2. Petrol
  3. Lubricating oil
  4. Paraffin wax
Question 7 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. Fossil fuels are a great source of energy because they originate from living things.
b. The strong heating of coal in the presence of air is called destructive distillation of coal.
c. The real source of energy of coal is solar energy.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 8 Multiple Choice (Single Answer)

Petroleum is a dark coloured, thick crude oil found deep below the ground. It is a complex mixture of

  1. carbon and hydrogen
  2. carbon and nitrogen
  3. hydrogen and calcium
  4. calcium and nitrogen
  5. hydrogen and nitrogen
Question 9 Multiple Choice (Single Answer)

Which of the following is not a fraction obtained by the refining of petroleum?

  1. Diesel
  2. Bitumen
  3. Naphthalene
  4. Paraffin wax
  5. Kerosene
Question 10 Multiple Choice (Single Answer)

Black gold is actually

  1. the gold which became black on burning
  2. petroleum
  3. the gold sold in black market
  4. diamond
Question 11 Multiple Choice (Single Answer)

Burning of which of the following fuels produces the least amount of carbon dioxide per unit of energy?

  1. Coal
  2. Oil
  3. Natural gas
  4. All of these produce the same amount of carbon dioxide per unit of energy.
Question 12 Multiple Choice (Single Answer)

Burning of fossil fuels is the main source of which of the following pollutants?

  1. Nitrogen oxide
  2. Nitric oxide
  3. Nitrous oxide
  4. Sulphur dioxide
Question 13 Multiple Choice (Single Answer)

What are the characteristics of an ideal fuel?

(i) Low ignition temperature
(ii) High calorific value
(iii) Residues that do not pollute the environment

  1. Only (i) and (ii)
  2. Only (ii) and (iii)
  3. Only (i) and (iii)
  4. (i), (ii) and (iii)
Question 14 Multiple Choice (Single Answer)

The buried remains of large plants are converted into which of the following fossil fuels?

a. Natural gas
b. Petroleum
c. Coal

  1. Only a
  2. Only a and b
  3. Only b
  4. Only c
  5. Only b and c
Question 15 Multiple Choice (Single Answer)

Which of the following options is/are used as solid fuel(s)?
a. Coal
b. Dung cake
c. LPG
d. Kerosene oil

  1. Only a
  2. Only b
  3. Only c
  4. Only d
  5. Both a and b
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