In case of gas turbines, the gaseous fuel consumption guarantees are based on________________?

Related Mcqs:

1. Gaseous-fuel guarantees are based on___________________?

   A. calorific value of oil
   B. low heat value of oil
   C. high heat value of oil
   D. mean heat value of oil
   E. all of the above

2. Fuel oil consumption guarantees for I .C. engine are usually based on__________________?

   A. low heat value of oil
   B. high heat value of oil
   C. net calorific value of oil
   D. calorific value of fuel
   E. all of the above

3. The specific fuel consumption for a petrol engine first decreases with increase in fuel air ratio and then increases with further increase in fuel air ratio. The minimum value occurs in the range of__________________?

   A. lean mixture
   B. chemically correct mixture
   C. rich mixture
   D. unpredictable
   E. none of the above

4. The specific fuel consumption per BH hour for a petrol engine is approximately__________________?

   A. 0.15 kg
   B. 0.2 kg
   C. 0.25 kg
   D. 0.3kg
   E. 0.35 kg

5. Fuel consumption of diesef engines is not guaranteed at one quarter load because at such low loads________________?

   A. the friction is high
   B. the friction is unpredictable
   C. the small difference in cooling water temperature or in internal friction has a disproportionate effect
   D. the engine is rarely operated
   E. none of the above

6. The specific fuel consumption per BHP hour for diesel engine is approximately___________________?

   A. 0.15 kg
   B. 0.2 kg
   C. 0.25 kg
   D. 0.3 kg
   E. 0.35 kg

7. The specific fuel consumption of a petrol engine compared to diesel engine of same H.P. is_______________?

   A. same
   B. more
   C. less
   D. less or more depending on operating conditions
   E. unpredictable

8. Diesel engines have low specific fuel consumption compared to petrol engine. This statement is____________________?

   A. not true
   B. true at full load
   C. true at part load
   D. true at both part and full load
   E. there could not be any such criterion

9. Fuel consumption with increase in back pressure will________________?

   A. increase
   B. decrease
   C. remain unaffected
   D. depend on other factors
   E. none of the above

10. The m.e.p. of a petrol engine first increases as the fuel air ratio is increased and then decreases on further increase in fuel air ratio. The M.E.P is maximum in the zone of________________?

    A. lean mixture
    B. chemically correct mixture
    C. rich mixture
    D. unpredictable
    E. none of the above