The coal requirement per kW hour generation in the thermal power plant is of the order of__________________?

Related Mcqs:

1. Thermal efficiency of a thermal power plant is of the order of___________________?

   A. 15%
   B. 20%
   C. 30%
   D. 45%
   E. 60%.

2. The overall efficiency of thermal power plant is________________?

   A. boiler efficiency, turhine efficiecny, generator efficiency
   B. all the three above plus gas cycle efficiency
   C. carnot cycle efficiency
   D. regenerative cycle efficiency
   E. rankine cycle efficiency

3. The evaporation of 15.653 kg of water per hour from and at 100°C is called_________________?

   A. evaporative capacity
   B. factor of evaporation
   C. equivalent evaporation
   D. one boiler h.p.
   E. boiler efficiency

4. The cooling water requirement for diesel engine is of the order of________________?

   A. 0.2 to 1.0 liter per minute per h.p.
   B. 1 to 3 liters per minute per h.p.
   C. 5 to 10 liters per minute per h.p
   D. 10 to 20 liters per minute per h.p.
   E. 20-30 liters per minute per h.p

5. The diameter of cylindrical shell of the Lancashire boiler is of the order of__________________?

   A. 1 tp 1.25m
   B. 1 to 1.75 m
   C. 2 to 4 m
   D. 1.75 to 2.75 m
   E. 2.25 to 4.5 m

6. The biggest size of thermal power unit operating in India is ________________?

   A. 30 MW
   B. 60 MW
   C. 100 MW
   D. 210 MW
   E. 500 MW

7. Feed water conditioning in thermal power plants in done to__________________?

   A. reduce hardness and for removal of solids
   B. increase efficiency-of thermal power plant
   C. increase *heat transfer rate
   D. increase steam parameters
   E. all of the above

8. Which device is used in thermal power plants to reduce level of pollution___________________?

   A. induced draft fan
   B. smoke meter
   C. chimney
   D. precipitator
   E. pulveriser

9. Calorific value of coal is of the order of _______________________?

   A. 200-400 kcal/kg
   B. 800-1200 kcal/kg
   C. 2000-4000 kcal/kg
   D. 5000-8000 kcal/kg
   E. 8000-10,000 kcal/kg

10. Green coal, in order to be burnt, must be____________________?

    A. heated sufficiently
    B. burnt in excess air
    C. heated to its ignition point
    D. burnt as powder
    E. burnt as lumps