A. 75 cc per min. per h.p.
B. 750 cc per min. per h.p.
C. 7500 cc per min. per h.p.
D. 75000 cc per min. per h.p.
E. 750000 cc per min. per h.p
Related Mcqs:
- 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. - For same power and same speed, the flywheel of a four stroke engine as compared to two-stroke I.C. engine will be________________?
A. smaller
B. bigger
C. same size
D. dependent on other engine parameters
E. unpredictable - For the same size and weight, a two stroke engine as compared to four stroke engine will generate power_________________?
A. about twice
B. about 0.5 times
C. nearly equal
D. about 1.7 times
E. about 5 times - In a typical medium speed, 4-stroke cycle diesel engine ___________________?
A. fuelinjection starts at 10° before to dead center and ends at 20° after tor dead center
B. fuel injection starts at top dead center and ends at 20° after top dead center
C. fuel injection starts at just before top dead center and ends just after top deac center
D. may start and end anywhere
E. none of the above - In a typical medium speed 4-stroke cycle diesel engine the inlet valve_____________________?
A. opens at 20° before top dead center and closes at 35° after the bottom dead center
B. opens at top dead center and closes at bottom dead center
C. opens at 10° after top dead center and closes 20° before the bottom dead center
D. may open or close anywhere
E. remains open for 200°. - Scavenging air is supplied to a two-stroke engine at a density greater than that of atmosphere. This means the engine is__________________?
A. Supercharged
B. Not supercharged
C. Charged
D. Supercharged provided its speed is low - High carbon content in diesel oil used for diesel engine leads to_________________?
A. production of highly corrosive gases corroding the cylinder walls and exhaust system
B. excessive engine wear
C. damaging of both the storage tank and the engine
D. deposition on engine parts
E. none of the above. - In diesel engine the diesel fuel injected into cylinder would burn instantly at about compressed air temperature of____________________?
A. 250°C
B. 500°C
C. 1000°C
D. 150CPC
E. 2000°C - The output of a diesel engine can be increased without increasing the engine revolution or size in following way_________________?
A. feeding more fuel
B. increasing flywheel size
C. heating incoming air
D. scavenging
E. supercharging - 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