A. higher
B. lower
C. same
D. depends on quality of fuel
E. unpredictable
The self-ignition temperature of diesel oil compared to petrol is_________________? Read More »
I.C. Engines 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
Cetane___________________? Read More »
I.C. Engines A. has octane number of 0
B. has octane number of 50
C. has octane number of 100
D. is an index of detonation quality
E. is an index of knocking quality
Iso-oct ,ne________________? Read More »
I.C. Engines A. 30 – 65°C
B. 65 – 220°C
C. 220 – 350°C
D. 350 – 450°C
E. 450-550°C
Kerosene is distilled at________________? Read More »
I.C. Engines A. octane number
B. cetane number
C. calorific value
D. self ignition temperature
E. distillation temperature
Ignition quailty of petrol is expressed by___________________? Read More »
I.C. Engines A. less than 100°C
B. between 100-250°C
C. between 250 – 300°C
D. between 400 – 500°C
E. between 500 – 1000°C
A. above the piston (/;) below the piston
C. between the pistons
D. any when
E. there is no such criterion
In the opposed piston diesel engine, the combustion chamber is located________________? Read More »
I.C. Engines A. a supercharger
B. a centrifugal blower
C. a vacuum chamber
D. an injection tube
E. forced chamber
In a naturally aspirated diesel engine, the air is supplied by________________? Read More »
I.C. Engines A. supercharger
B. centrifugal pump
C. natural aspirator
D. movement of engine piston
E. reciprocating pump
In the crankcase method of scavenging, the air pressure is produced by_________________? Read More »
I.C. Engines A. flat
B. contoured
C. slanted
D. depressed
E. convex shaped
In loop scavenging, the top of the piston is________________? Read More »
I.C. Engines