Heat Transfer Mode of heat transfer in which the fluid moves under the influence of changes in fluid pressure produced by external work is called Conduction Natural convection Radiation Forced convection Conduction Natural convection Radiation Forced convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multiple effect evaporation accounts for None of these Steam economy Investment economy Lower operating costs None of these Steam economy Investment economy Lower operating costs 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 Decreases the outlet temperature of cooling medium None of these Increases the overall heat transfer coefficient Decreases the pressure drop Decreases the outlet temperature of cooling medium None of these Increases the overall heat transfer coefficient Decreases the pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multipass heat exchangers are used To reduce the pressure drop To obtain higher heat transfer co-efficient and shorter tube For low heat load Because of simplicity of fabrication To reduce the pressure drop To obtain higher heat transfer co-efficient and shorter tube For low heat load Because of simplicity of fabrication ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the emissivity of a black body? 0.9 1 0.5 0.9 1 0.5 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 steam side shell and tube type double pipe type with fin on air side plate type double pipe type with fin on steam side shell and tube type double pipe type with fin on air side ANSWER DOWNLOAD EXAMIANS APP