Heat Transfer A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires Less heating surface More space Lower maintenance cost None of these Less heating surface More space Lower maintenance cost None of these 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 From one part of a body to the another part of the same body Between two bodies not in physical contact with each other Between two bodies in physical contact with each other Both B & C From one part of a body to the another part of the same body Between two bodies not in physical contact with each other Between two bodies in physical contact with each other ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation is promoted on a/an __________ surface. Coated Glazed Smooth Oily Coated Glazed Smooth Oily ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not concerned with the heat transfer? Peclet number Brinkman number Schmidt number Stanton number Peclet number Brinkman number Schmidt number Stanton number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation. Half Is same as Greater than Lower than Half Is same as Greater than Lower than ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With the increase of temperature, the Col-burn jH factor May increase or decrease ; depending on temperature Increases Remains unchanged Decreases May increase or decrease ; depending on temperature Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP