In a four stroke cycle diesel engine, when is fuel injected into the cylinder?
A) At the end of the compression stroke and the beginning of the power stroke.
B) During the compression and exhaust strokes .
C) Only when the piston is at TDC in the compression stroke.
D) Only during the power stroke.

Question

Quizplus · Accepted Answer

Fuel is injected into the cylinder at the end of the compression stroke and the beginning of the power stroke. This is because the air in the cylinder has been compressed to a high pressure and temperature, which allows the fuel to ignite and burn efficiently, producing the power stroke.

In a Four Stroke Cycle Diesel Engine, When Is Fuel