Hard pitch is used for making_____________________?

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. Yield of pitch from distillation of high temperature tar is around _____________ percent?

   A. 10
   B. 25
   C. 65
   D. 90

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

   A. 8800 kcal/m3
   B. 8800 kcal/kg
   C. Same as that of coal middling
   D. 25000 kcal/kg

5. In flue gas analysis by Orsat’s apparatus, carbon monoxide is absorbed by__________________?

   A. Cuprous chloride
   B. Potassium hydroxide
   C. Alkaline pyrogallol solution
   D. None of these

6. A gaseous fuel in order to develop luminosity on burning, must contain __________________?

   A. Carbon monoxide
   B. Hydrocarbons
   C. Hydrogen
   D. Oxygen

7. Lurgi coal gasifier is a pressurised ______________ bed reactor?

   A. Moving
   B. Fixed
   C. Fluidised
   D. Entrained

8. Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ?

   A. Multicyclones
   B. Bag filter
   C. Wet scrubber
   D. Hydrocyclones

9. Which of the following has the highest heat of combustion ?

   A. H2
   B. CO
   C. CH4
   D. C2H6

10. Which of the following will generate maximum volume of product of complete combustion (Nm3/Nm3 of fuel) ?

    A. Carburetted water gas
    B. Blast furnace gas
    C. Natural gas
    D. Producers’ gas