Heat Transfer The dimensionless group in mass transfer that is equivalent to Prandtl number in heat transfer is Stanton number Nusselt number Sherwood number Schmidt number Stanton number Nusselt number Sherwood number Schmidt number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Indirect contact heat exchangers are preferred over direct contact heat exchangers, because Heat transfer co-efficient are high There is no mist formation Cost of equipment is lower There is no risk of contamination Heat transfer co-efficient are high There is no mist formation Cost of equipment is lower There is no risk of contamination ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For the same heat load and mass flow rate in the tube side of a shell and tube heat exchanger, one may use multipass on the tube side, because it None of these Decreases the outlet temperature of cooling medium Decreases the pressure drop Increases the overall heat transfer coefficient None of these Decreases the outlet temperature of cooling medium Decreases the pressure drop Increases the overall heat transfer coefficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not used as a medium for high temperature heating ? mercury dowtherm None of the listed here liquid metal mercury dowtherm None of the listed here liquid metal 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. Increases Does not affect Decreases 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 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number for most of dry gases is about 70 0.001 0.72 150 70 0.001 0.72 150 ANSWER DOWNLOAD EXAMIANS APP