Due to constant use both inlet and exhaust valves and their seats subjected to a) stress wear b) strain wear c) mechanical wear d) tensile wear

Due to constant use both inlet and exhaust valves and their
seats subjected to
a) stress wear
b) strain wear
c) mechanical wear
d) tensile wear
by

1 Answer

Answer :

c) mechanical wear
by

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Description : A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile  load W. The strain energy stored in the bar is  (A) WL/2AE (B) WL/AE (C) W²L/AE (D) W²L/2AE

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Last Answer : (A) h/4 

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