Heat Transfer If heat transfer rate varies with the time, it is termed as Monochromatic radiation None of these Steady state conduction Forced convection Monochromatic radiation None of these Steady state conduction Forced convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer by __________ may not necessarily require the presence of a medium coduction radiation natural convection none of the listed here coduction radiation natural convection none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, the tube side heat transfer co-efficient just at the entrance of the tube is Zero None of these Same as average heat transfer co-efficient for tube side Infinity Zero None of these Same as average heat transfer co-efficient for tube side Infinity 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 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 Both B & C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of steel Increases Remains unchanged Increases exponentially Decreases Increases Remains unchanged Increases exponentially Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Stefen's block body radiation law can also be derived from __________ law. None of these Kirchoffs Fourier's Planck's None of these Kirchoffs Fourier's Planck's ANSWER DOWNLOAD EXAMIANS APP