A. 1%
B. 0.5%
C. 0.1%
D. 0.01%
E. 0.001%
Related Mcqs:
- 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 - Cetane number is determined by comparing the performance of diesel oil with the following hydrocarbons___________________?
A. cetane
B. mixture of cetane and alphamethyl napthalene
C. ethylene dibromide
D. mixture of aldehydes and ketones
E. mixture of cetane with tetra-ethyl lead - Ignition quality of diesel-fuel oil is expressed by an index called__________________?
A. octane number
B. cetane number
C. calorific value
D. carbon content
E. ignition temperature - The specific gravity of diesel oil Is_________________?
A. 1
B. 0.7
C. 0.85
D. 0.5
E. 1.25 - 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% - 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 - The pour point of diesel oil must be_________________?
A. lower than the coldest atmospheric temperature at which oil is to be pumped
B. higher than above
C. has no such relation
D. more than 100°C
E. none of the above - 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
