Friday
March 27, 2015

Homework Help: Mechanics

Posted by Tony on Wednesday, August 21, 2013 at 11:25pm.

In a direct acting pressure relief valve, 64 bar pressure is acting on the conical dart seating area and the dart is kept closed by a spring force of 50 kg opposing the pressure. (5)

a) Determine the bore diameter on the seat.
b) What will the spring force be if a pressure of 32 bar is acting on diameter of 10 mm seating area?

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