Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about________________?

Related Mcqs:

1. Optimum preheating temperature for pitch creosote mixture (PCM) which is also termed as C.T.F-200, before atomisation through burners is_________________?

   A. 200 °F
   B. 200 °C
   C. 200 °K
   D. 200 °R

2. Pitch creosote mixture (PCM) as compared to furnace oil is a better fuel, because its ___________________?

   A. Emissivity factor is higher
   B. Sulphur content is lower
   C. Flue gas has lower dew point thereby facilitating more waste heat recovery
   D. All A., B. and C.

3. 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

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

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

5. 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

6. 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

7. 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

8. Coal tar fuel – 200 (CTF 200) is a mixture of __________________?

   A. Pitch and creosote oil
   B. Light oil and pitch
   C. Anthracene and crecosote oil
   D. Solar oil and pitch

9. Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is _______________ percent?

   A. 71%
   C. In between 37 & 71%
   D. None of these

10. Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of _____________________?

    A. MgO & Na2CO3
    B. MgSO4 & BaCl2
    C. BaSO4 & NaCl
    D. MgCO3 & NaCl