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

Related Mcqs:

1. 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...

2. 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...

3. The thermal efficiency of a diesel engine is of the order of_________________?

   A. 92% B. 68% C. 52% D. 34% E. 25%....

4. 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...

5. 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...

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

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

7. 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....

8. The thermal efficiency of a two cycle engine as compared to four cycle engine is_________________?

   A. more B. less C. same D. more upto some load and then less E. it may be less or more depending on several other factors...

9. 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...

10. The diameter of fire tubes in Cochran boiler is of the order of___________________?

    A. 2 cm B. 6 Cm , C. 8 cm D. 12 cm E. 15 cm...