Heat Transfer Which of the following parameters is increased by use of finned tube in a multipass shell and tube heat exchanger? All of these Tube side pressure drop and the heat transfer rate Convective heat transfer co-efficient Effective tube surface area for convective heat transfer All of these Tube side pressure drop and the heat transfer rate Convective heat transfer co-efficient Effective tube surface area for convective heat transfer ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer by conduction results due to the transfer of free electrons, kinetic energy & vibrational energy from one molecule to another. Conduction heat transfer can not take place Both B & C Between two bodies in physical contact with each other Between two bodies not in physical contact with each other From one part of a body to the another part of the same body Both B & C Between two bodies in physical contact with each other Between two bodies not in physical contact with each other From one part of a body to the another part of the same body ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in porosity, the thermal conductivity of a solid substance Increases May increase or decrease; depends on the solid Decreases Remains unchanged Increases May increase or decrease; depends on the solid Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, There is no relationship between temperature drop and resistance The temperature drops in the two fluids and the wall are proportional to individual resistances The temperature drop is inversely proportional to the resistance across which the drop occurs The relationship is not generalised There is no relationship between temperature drop and resistance The temperature drops in the two fluids and the wall are proportional to individual resistances The temperature drop is inversely proportional to the resistance across which the drop occurs The relationship is not generalised ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Graetz number is given by mCp/kL kL/mCp kμ/mCp mCp/kμ mCp/kL kL/mCp kμ/mCp mCp/kμ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An equipment which converts the latent or sensible heat of one fluid into the latent heat of vaporisation of another, is called a boiler regenerator recuperator heat exchanger boiler regenerator recuperator heat exchanger ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS