Which of the following fuels has the highest calorific value per unit mass (kcal/kg) ?

Related Mcqs:

1. Which of the following gaseous fuels has the highest net calorific value (kcal/Nm3) ?

   A. Producer gas
   B. Carburetted water gas
   C. Natural gas
   D. Liquefied petroleum gas

2. For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm3), while the C.V. is same on weight basis (i.e., kcal/kg) ?

   A. Propane and acetylene
   B. Propane and LPG
   C. Sewage gas and gobar gas
   D. B.F. gas and coke oven gas

3. Which of the following gaseous fuels is likely to have the highest gross calorific value ?

   A. Sewage gas
   B. LPG
   C. Producer gas
   D. Natural gas

4. Which of the following has the highest calorific value (kcal/Nm3) ?

   A. Carburetted water gas
   B. Gobar gas
   C. Natural gas
   D. LPG

5. A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be_________________?

   A. More
   B. Less
   C. Same
   D. Data insufficient; can’t be predicted

6. Gross calorific value will be equal to the net calorific value for __________________?

   A. H2
   B. C2H2
   C. CO
   D. C2H6

7. The calorific value of a gas of composition CO2 = 20%, H2 = 50%, CH4 = 30%, is y. If the composition of gas is changed to H2 = 50%, CH4 = 30%, CO2 = 10%, N2 = 10%, then the calorific value will be___________________?

   A. y
   B. 0.95 y
   C. 1.05 y
   D. 1.8 y

8. Bomb calorimeter is used to determine the (where, GCV – Gross Calorific Value. NCV – Net Calorific Value.) ?

   A. GCV at constant pressure
   B. GCV at constant volume
   C. NCV at constant pressure
   D. NCV at constant volume

9. Net calorific value is the gross calorific value less the _______________ heat of water in the product of combustion when cooled to 15°C ?

   A. Sensible
   B. Latent
   C. Sensible and latent
   D. None of these

10. Out of the following fuels, the difference between the net and gross calorific value is maximum in case of_________________?

    A. Pitch
    B. Fuel oil
    C. Blast furnace gas
    D. Bituminous coal