Question

What is the necessity of supercharger in the diesel engine plants?

(a) Supercharger helps in drawing out heat from engine

(b) Supercharger supports engine as auxiliary source of power

(c) Supercharger improves engine efficiency

(d) Supercharger increases pressure of air

I got this question in exam.

This question is from Components of a Diesel Engine Plants in section Diesel Engine Plant of Energy Engineering

Answer 1

Correct option is (d) Supercharger increases pressure of air

To explain: Supercharger increases the pressure of air at engine inlet and hence increases engine power. They are usually driven by the engines. It usually situated after the air filter. The power for supercharger can be provided by mechanical means of belt, gear, shaft or chain connected to engine’s crankshaft.