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

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

ANSWER DOWNLOAD EXAMIANS APP

Internal Combustion Engines
In a typical medium speed, 4-stroke cycle diesel engine

Fuel injection starts at just before top dead center and ends just after top dead center
Fuel injection starts at top dead center and ends at 20° after top dead center
May start and end anywhere
Fuel injection starts at 10° before top dead center and ends at 20° after top dead center

ANSWER DOWNLOAD EXAMIANS APP