Heat Transfer Bulk of the convective heat transfer resistance from a hot tube surface to the fluid flowing in it, is In the central core of the fluid Uniformly distributed throughout the fluid None of these Mainly confined to a thin film of fluid near the surface In the central core of the fluid Uniformly distributed throughout the fluid None of these Mainly confined to a thin film of fluid near the surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the liquid temperature is below the saturation temperature and the boiling takes place in the vicinity of the heated surface. Local Nucleate Pool Saturated Local Nucleate Pool Saturated ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For what value of Prandtl number, St = f/2? 1 > 1 1.5 2 1 > 1 1.5 2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Agitated film evaporator is suitable for concentrating __________ liquids. Corrosive Foaming Very thin Viscous Corrosive Foaming Very thin Viscous ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Hot surface temperature Liquid density Liquid viscosity Interfacial tension Hot surface temperature Liquid density Liquid viscosity Interfacial tension ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest Prandtl number? Water Dilute H₂SO₄ Molten sodium (a coolant used in fast breeder reactor) Transformer oil Water Dilute H₂SO₄ Molten sodium (a coolant used in fast breeder reactor) Transformer oil ANSWER DOWNLOAD EXAMIANS APP
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