MEK Exit Exam • Set 3 Question 12 of 30
A cam shaft on diesel engine operates
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Direct Answer
Option D: fuel injection pump
The camshaft, driven by the engine's timing gears or chain, has lobes that push open the valves. It directly operates the fuel injection pumps in many diesel engine designs, ensuring precise fuel delivery timing.
All Options
A
starting valves
B
fuel valves
C
flywheel
D
fuel injection pump
(Correct Answer)
Detailed Explanation & Context
The camshaft, driven by the engine's timing gears or chain, has lobes that push open the valves. It directly operates the fuel injection pumps in many diesel engine designs, ensuring precise fuel delivery timing.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Marine Engineering Knowledge (MEK).
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