A. feed petrol into cylinder
B. govern the engine
C. break up and mix the petrol with air
D. heat up the charge to cylinder
E. scavenge the cylinder
Related Mcqs:
- Which is false statement about annealing. Annealing is done to________________?
A. relieve stresses
B. harden steel slightly
C. improve machining characteristic
D. soften material
E. permit further cold working - The pistons are usually given a coating such as tin plating in order to________________?
A. reduce weight
B. conduct heat efficiently
C. reduce possibility of scoring
D. reduce friction
E. increase lubrication effect - The reason for supercharging in any engine is to________________?
A. increase efficiency
B. increase power
C. reduce weight and bulk for a given out-put
D. effect fuel economy
E. none of the above - Pig iron is the name given to________________?
A. raw material for blast furnace
B. product of blast furnace made by reduction of iron ore
C. iron containing huge quantities of carbon
D. iron in molten form in the ladles
E. iron scrap - Large forgings, crank shafts, axles normally contain carbon up to________________?
A. 0.05 to 0.20%
B. 0.20 to 0.45%
C. 0.45 to 0.55%
D. 0.55 to 1.0%
E. 1.0 to 1.2%. - In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle 9. Sensitivity of inclined tube to sensitivity of U-tube is equal to________________?
A. sin 9
B. sin 9
C. cas 9
D. cos 9
E. tan 9 - The function of injector used in small steam plants is to________________?
A. create vacuum in furnace
B. create vacuum at turbine exhaust
C. pump feed water
D. dose chemicals in feed water
E. control steam temperature by injecting water - Scavenging is usually done to increase__________________?
A. thermal efficiency
B. speed
C. power output
D. fuel consumption
E. all of the above - Which is false statement about case hardening. Case hardening is done by_______________?
A. electroplating
B. cyaniding
C. induction hardening
D. nitriding
E. flame hardening - Superheating of steam is done at_________________?
A. constant volume
B. constant temperature
C. constant pressure
D. constant entropy
E. constant enthaply
