Internal Combustion Engines
The output of a diesel engine can be increased without increasing the engine revolution or size in following way

Supercharging
Heating incoming air
Feeding more fuel
Scavenging

ANSWER DOWNLOAD EXAMIANS APP

Internal Combustion Engines
In a coil ignition system of petrol engines, a condenser is connected across the contact breaker in order to

Both (A) and (B)
Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit
Prevent sparking across the gap between the points
None of these

ANSWER DOWNLOAD EXAMIANS APP

Internal Combustion Engines
Pick up the wrong statement about supercharging

Supercharging reduces knocking in diesel engines
Supercharging at high altitudes is essential
There can be limited supercharging in petrol engines because of detonation
Supercharging results in fuel economy

ANSWER DOWNLOAD EXAMIANS APP