Heat Transfer What is the geometric mean of two heat transfer areas A₁ and A₂ ? 2 √(A₁ . A₂) √(A₁ . A₂) 1/2 √(A₁ . A₂) √(A₁ + A₂) 2 √(A₁ . A₂) √(A₁ . A₂) 1/2 √(A₁ . A₂) √(A₁ + A₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Air is best heated with steam in a heat exchanger of plate type double pipe type with fin on air side double pipe type with fin on steam side shell and tube type plate type double pipe type with fin on air side double pipe type with fin on steam side shell and tube type ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are used because it is less costly when heat transfer area required is very low when heat transfer area required is very high because it occupies less floor area because it is less costly when heat transfer area required is very low when heat transfer area required is very high because it occupies less floor area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Walls of a cubical oven are of thickness l, and they are made of material of thermal conductivity k. The temperature inside the oven is 100°C and the inside heat transfer co-efficient is 3k/l. If the wall temperature on the outside is held at 25°C, what is the inside wall temperature in degree centigrade? 81.25 48.25 35.5 43.75 81.25 48.25 35.5 43.75 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The absorptivity of a body is equal to its emissivity for circular bodies under thermal equilibrium at a particular temperature none of the listed here for circular bodies under thermal equilibrium at a particular temperature none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kg of liquid evaporated per hour in an evaporator is defined as its None of these Economy Capacity Steam load None of these Economy Capacity Steam load ANSWER DOWNLOAD EXAMIANS APP
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