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

The pressure and temperature at the end of compression stroke in a petrol engine are of the order of___________________?

A. 4 – 6 kg/cm2 and 200 – 250°c
B. 6 – 12 kg/cm2 and 250 – 350°c
C. 12 – 20 kg/cm2 and 350 – 450°c
D. 20 – 30 kg/cm2 and 450 – 500°c

The maximum temperature in the I.C. engine cylinder is of the order of ________________?

A. 500- 1000°c
B. 1000- 1500°c
C. 1500-2000°c
D. 2000-2500°c

The fuel in diesel engine is normally injected at pressure of_________________?

A. 5-10 kg/cm2
B. 20-25 kg/cm2
C. 60-80 kg/cm2
D. 90-130 kg/cm2

Crankcase explosion in I.C. engines usuall occurs as ___________________?

A. First a mild explosion followed by a bi explosion
B. First a big explosion followed by a mil explosion
C. Both mild and big explosions occi simultaneously
D. Never occurs

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

The inlet value of a four stroke cycle I.C engine remains open for nearly___________________?

A. 180°
B. 125°
C. 235°
D. 200°

If one cylinder of a diesel engine receives more fuel than the others, then for that cylinder the________________?

A. exhaust will be smoky
B. piston rings would stick into piston grooves
C. exhaust temperature will be high
D. engine starts overheating

It the temperature of intake air in IC engines is lowered, then its efficiency will_______________________?

A. Increase
B. Decrease
C. Remain same
D. Increase upto certain limit and then decrease

For the same compression ratio_____________________?

A. Otto cycle is more efficient than the diesel
B. Diesel cycle is more efficient’than otto
C. Both otto and diesel cycles are, equally efficient
D. Compression ratio has nothing to do with efficiency