ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2013 Question 22

Question 22

A hot plate transfers heat with a heat flux of 8000 W/m$$^2$$ into the ambientair at $$25^\circ C$$. if the surface of the hot plate is maintained at $$125^\circ C$$, calculate the heat transfer coefficient for the convection between the plate and the air:

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