SSC JE Mechanical Engineering 2nd March 2017 Shift-1 Question 1

Question 1

A football was inflated to a gauge pressure of 1 bar when the ambient temperature was $$15^\circ  C$$. When the game started next day, the air temperature at the stadium was $$5^\circ C$$. Assume that the volume of the football remains constant at 2500 $$cm^{3}$$. Gauge pressure of air to which the ball must have been originally inflated so that it would equal 1 bar gauge at the stadium is _____


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