MEK Exit Exam • Set 3 Question 18 of 30

The purpose of Exhaust Gas in a Diesel engine is to ___

✓

Direct Answer

Option A: Turns turbo charger

The primary purpose of the exhaust gases, which are at high temperature and pressure, is to drive the turbine wheel of the turbocharger. This rotation then powers the compressor, which forces more air into the cylinders, thereby increasing engine power and efficiency.

All Options

A

Turns turbo charger (Correct Answer)

B

Reduces friction

C

Gives power

D

Increases air supply

Detailed Explanation & Context

The primary purpose of the exhaust gases, which are at high temperature and pressure, is to drive the turbine wheel of the turbocharger. This rotation then powers the compressor, which forces more air into the cylinders, thereby increasing engine power and efficiency.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Marine Engineering Knowledge (MEK).

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