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.
Related Mcqs:
- 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 - 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 - A diesel engine as compared to petrol engine (both running ar rated load) is ____________________?
A. more efficient
B. less efficient
C. equally efficient
D. unperdictable
E. other factors will decide it - 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 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 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 - If diesel is fed by mistake in the oil tank of a petrol engien, then engine will________________?
A. give lot of smoke
B. detonate
C. knock
D. not run
E. run for some time and then stop - Sulphur content in diesel oil should not be more than_________________?
A. 10%
B. 5%
C. 1%
D. 0.1%
E. 0.01% - The ash content in diesel oil should bot be more than_______________?
A. 1%
B. 5%
C. 0.1%
D. 0.01%
E. 0.001% - Carbon residue in diesel oil should not be more than___________________?
A. 1%
B. 0.5%
C. 0.1%
D. 0.01%
E. 0.001%
