Category: I.C. Engines

A. supercharging reduces knocking in diesel engines
B. there can be limited supercharging in petrol engines because of detonation
C. supercharging at high altitudes is essential
D. supercharging results in fuel economy
E. supercharging is essential in aircraft engines

A. 1/2
B. 1
C. 2
D. 4
E. 8

A. 100%
B. 50%
C. 5%
C. 30%
E. 1%.

A. 2-stroke petrol engine
B. 4-stroke petrol engine
C. diesel engine
D. gas turbine
E. steam turbine

A. more efficient
B. less efficient
C. equally efficient
D. unperdictable
E. other factors will decide it

A. Otto cycle
B. Diesel cycle
C. Dual cycle
D. Carnot cycle
E. Two stroke cycle

A. upto 25%
B. upto 35%
C. upto 50%
D. upto 75%
E. upto 100%.

A. 5-10 kg/cm2
B. 20-25 kg/cm2
C. 60-80 kg/cm2
D. 90-130 kg/cm2
E. 150-250 kg/cm2

A. vaporisation
B. carburetion
C. ionisation
D. injection
E. atomisation

A. spark
B. injected fuel
C. heat resulting from compressing air that is supplied for combustion
D. ignition
E. combustion chamber