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

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

ANSWER DOWNLOAD EXAMIANS APP

Internal Combustion Engines
A hydraulic ram is a device used to

Increase the pressure of water
Store the energy of water
To lift small quantity of water to a greater height when a large quantity of water is available at a smaller height
To lift water from deep wells

ANSWER DOWNLOAD EXAMIANS APP