Heat Transfer If heat transfer rate varies with the time, it is termed as None of these Forced convection Steady state conduction Monochromatic radiation None of these Forced convection Steady state conduction Monochromatic radiation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius 'r' of insulation on a pipe is given by r = k/h r = k/2h r = 2k/h r = h/k r = k/h r = k/2h r = 2k/h r = h/k ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which area is used in case of heat flow by conduction through a cylinder ? Geometric mean area Arithmetic mean area None of the listed here Logarithmic mean area Geometric mean area Arithmetic mean area None of the listed here Logarithmic mean area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Hot surface temperature Liquid viscosity Liquid density Interfacial tension Hot surface temperature Liquid viscosity Liquid density Interfacial tension ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, the shell side fluid velocity can not be changed by changing the Tube diameter No. of baffles Tube layout Tube pitch Tube diameter No. of baffles Tube layout Tube pitch ANSWER DOWNLOAD EXAMIANS APP
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 Natural convection Radiation Conduction Forced convection Natural convection Radiation Conduction Forced convection ANSWER DOWNLOAD EXAMIANS APP