Heat Transfer Critical value of the __________ number governs the transition from laminar to turbulent flow in free convection heat transfer. Reynolds Grashoff Both A & B Prandtl & Grashoff Reynolds Grashoff Both A & B Prandtl & Grashoff ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fresh orange juice contains 12% (by weight) solids and the rest water 90% of the fresh juice is sent to an evaporator to remove water and subsequently mixed with the remaining 10% of fresh juice. The resultant product contains 40% solids. The kg of water removed from 1 kg fresh juice is 0.5 0.6 0.7 0.4 0.5 0.6 0.7 0.4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a supercooled solution, which is on the verge of crystallisation, the free energy of the solution as compared to that of the solid is More Same Less More or less; depends on the nature of solution More Same Less More or less; depends on the nature of solution ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With the increase of temperature, the Col-burn jH factor May increase or decrease ; depending on temperature Remains unchanged Increases Decreases May increase or decrease ; depending on temperature Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The actual temperature drop across the heating surface in an evaporator depends on the Pressure difference between steam chest and vapour space Depth of liquid over heating surface All of these Feed Pressure difference between steam chest and vapour space Depth of liquid over heating surface All of these Feed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For large heat transfer area requirement, shell and tube heat exchanger is preferred, because it Is easy to operate and maintain Is more economical Occupies smaller space All of these Is easy to operate and maintain Is more economical Occupies smaller space All of these ANSWER DOWNLOAD EXAMIANS APP
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