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What is used in engines to reduce the noise at the exhaust?

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in Energy Engineering by (91.0k points)
What is used in engines to reduce the noise at the exhaust?

(a) Noise dampers

(b) Baffles

(c) Silencers

(d) Composite foam

The question was asked in unit test.

My question is based upon Lubrication System, Intake and Exhaust Systems in portion Diesel Engine Plant of Energy Engineering

1 Answer

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Best answer
The correct option is (c) Silencers

The best explanation: Engine sound during operation may be transmitted back through the air intake systems to the outside air. In such cases a silencer is provided between the engine and the intake. It is a light weight steel pipe.

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