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Which of the following helps in the relief of the excess pressure which is built up?

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in Automotive Engine Design by (137k points)
Which of the following helps in the relief of the excess pressure which is built up?

(a) Pull rod

(b) Diaphragm return spring

(c) Camshaft

(d) Suction valve

I got this question in an online quiz.

My question is from Petrol Engine Fuel Supply System in section Petrol Engine Fuel Supply System of Automotive Engine Design

1 Answer

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Right option is (b) Diaphragm return spring

Explanation: The pump will build up excessive pressure which may damage the pump itself. This is taken care of by the diaphragm return spring which remains partially or fully compressed depending upon the line pressure.

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