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

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. Efficiency of a thermal cycle increases by ________________?

   A. regeneration
   B. reheating of steam
   C. both A. and B.
   D. cooling of steam
   E. none of the above

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

   A. 0.1 to 0.2 kg
   B. 0.2 to 0.4 kg
   C. 0.6 to 0.8 kg
   D. 1.0 to 1.5 kg
   E. 1.5 to 2 kg

4. 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

5. 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

6. 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

7. 100% efficiency of a thermal cycle cannot be achieved because of __________________?

   A. frictional losses
   B. it is not possible to achieve 0°K temperature
   C. leakage
   D. non-availability of ideal substance
   E. none of the above

8. Thermal efficiency of well maintained boiler will be of the order___________________?

   A. 20%
   B. 40%
   C. 50%
   D. 75%
   E. 90%

9. The thermal efficiency of a petrol engine of two stroke with crank case scavenging as compared to four stroke petrol engine with same comperssion ratio will be_____________________?

   A. higher
   B. lower
   C. same
   D. depends on size of engine
   E. unpredictable.

10. The thermal efficiency of a semi-diesel cycle having fixed compression ratio and fixed quantity of heat, with increase in pressure ratio will_______________?

    A. increase
    B. decrease
    C. remain unaffected
    D. increase/decrease depending upon engine capacity
    E. first increase and then decrease