Internal Combustion Engines
The object of supercharging the engine is

To increase the power output of an engine when greater power is required
To reduce space occupied by the engine
To reduce mass of the engine per brake power
All of these

ANSWER DOWNLOAD EXAMIANS APP

Internal Combustion Engines
The tangential velocity of the water element having a free vortex is

Directly proportional to its distance from the centre
Inversely proportional to its distance from the centre
Inversely proportional to its (distance)2 from the centre
Directly proportional to its (distance)2 from the centre

ANSWER DOWNLOAD EXAMIANS APP