Heat Transfer Grashhoff number is given by gD³βΔtP²/μ gD³.β.Δtρ²/μ² gD2βΔtP²μ gD2βΔtρ/μ² gD³βΔtP²/μ gD³.β.Δtρ²/μ² gD2βΔtP²μ gD2βΔtρ/μ² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a multipass shell and tube heat exchanger, providing a baffle on the shell side __________ the heat transfer rate. May increase or decrease, depends on the type of baffle Increases Does not affect Decreases May increase or decrease, depends on the type of baffle Increases Does not affect Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For evaporation of viscous solution in a multiple effect evaporator, the prefered feeding scheme is Forward None of these Backward Parallel Forward None of these Backward Parallel ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multiple effect evaporation is generally recommended, when the Evaporation on small scale is to be done Fuel is cheaply available Large scale evaporation of liquor is needed Corrosive liquids are to be concentrated Evaporation on small scale is to be done Fuel is cheaply available Large scale evaporation of liquor is needed Corrosive liquids are to be concentrated 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? Interfacial tension Liquid viscosity Hot surface temperature Liquid density Interfacial tension Liquid viscosity Hot surface temperature Liquid density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A multiple effect evaporator has a capacity to process 4000 kg of solid caustic soda per day, when it is concentrating from 10% to 25% solids. The water evaporated in kg per day is 24000 60000 48000 6000 24000 60000 48000 6000 ANSWER DOWNLOAD EXAMIANS APP
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