MEK Exit Exam • Set 4 Question 1 of 30
The purpose of "COMPRESSED AIR" in a diesel engine is to_________
✓
Direct Answer
Option A: 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.
All Options
A
Starts Engine
(Correct Answer)
B
Controls fuel Supply
C
Gives Power
D
Turns turbo Charger
Detailed Explanation & Context
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.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Marine Engineering Knowledge (MEK).
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