A. has zero cetane number
B. has 100 cetane number
C. helps detonation
D. is a straight chain paraffin
E. determines the efficiency of an I.C. engine
Related Mcqs:
- Pick up the false statement ?
A. Thermal efficiency of diesel engine i about 34%
B. Theoretically correct mixture of air am petrol is approximately 15 : 1
C. High speed compression engines operate on dual combustion cycle
D. Diesel engines are compression ignition engines
E. S.I. engines are quality-governed engines - The spark plug gap is normally maintained at________________?
A. 0.1 to 0.2 mm
B. 0.2 to 0.4 mm
C. 0.45 to 0.6 mm
D. 0.6 to 0.8 mm
E. 0.8 to 1 mm - Self-ignition temperature of petrol is of the order of___________________?
A. 150°C
B. 240°C
C. 370°C
D. 450°C
E. more than 500°C. - 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 - The m.e.p. of a diesel cycle having fixed compression ratio with increase in cut-off will_________________?
A. increase
B. decreae
C. be unaffected
D. depend on other factors
E. unpredictable - Air injection in I.C. engines refers to injection of___________________?
A. air only
B. liquid fuel only
C. liquid fuel and air
D. supercharging
E. does not exist - For low speed operation or for idling in petrol engines, the engine requirements are for_______________?
A. lean mixture
B. theoretically correct mixture
C. rich mixture
D. any type of mixture
E. lean/rich mixture depending upon capacity of engine - An engine has a normal speed of 960 r.p.m. and no load speed of 1000 r.p.m. The speed droop of governor will be about___________________?
A. 2%
B. 4%
C. 8%
D. ±4%
E. 1%. - The part load efficiency of a carburettor is,___________________?
A. Maximum
B. Optimum
C. Poor
D. Constant - Which of the following solid fuel has high carbon content?
A. Coke
B. Coal
C. Peat
D. None of theseSubmitted by: Faheem Zaman Dhaunroo
