Question

What is requirement of cooling system in diesel plants?

(a) Eliminate hotness of air entering into the filter

(b) To act as a filter for main fuel tank

(c) Eliminate heat coming out of engine

(d) To cool down lubrication system

This question was addressed to me in homework.

Origin of the question is Components of a Diesel Engine Plants in section Diesel Engine Plant of Energy Engineering

Answer 1

Correct choice is (c) Eliminate heat coming out of engine

For explanation: The system includes water circulating pumps, cooling towers are spraying ponds and water filtration or treatment plant. The purpose of cooling system is to ensure the life of cylinder by extracting the heat developed from the engine cylinder walls and hence keeping the temperature within the safer range.