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
Related Mcqs:
- 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 - In case of gas turbines, the gaseous fuel consumption guarantees are based on________________?
A. high heat value
B. low heat value
C. net calorific value
D. middle heat value
E. calorific value - 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 - 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 - 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 - 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 - 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 - Diesel engine can work on very lean air fuel ratio of the order of 30 : 1. A petrol engine can also work on such a lean ratio provided__________________?
A. it is properly designed
B. best quality fuel is used
C. can not work as it is impossible
D. flywheel size is proper
E. engine cooling is stopped - The ratio of useful power; engine friction exhaust gas losses; cooling water, air and oil losses for a diesel engine is of the order of____________________?
A. 5:25:30:50
B. 25:35:5:35
C. 25:5:10:60
D. 40:30:15:15
E. 25:5:35:35 - Auto-ignition reaction time for petrol engine first decreases with increase in fuel air ratio, reaches a minimum value and then increases with subsequent increase in fuel air ratio. The minimum value occurs in the region of________________?
A. Lean mixture
B. Chemically correct fuel air ratio
C. Rich mixture
D. Unpredictable