Question 3 of 30
The purpose of "COMPRESSED AIR" in a diesel engine is to_________
A
Turns turbo Charger
B
Starts Engine
C
Gives Power
D
Controls fuel Supply
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Answer & Explanation
The correct answer is Option B: Starts Engine.
Compressed air is used in diesel engines primarily for starting the engine. It is injected into the cylinders at high pressure to initiate the crankshaft's rotation, allowing the combustion cycle to begin.