Heat Transfer The critical radius 'r' of insulation on a pipe is given by r = k/h r = 2k/h r = h/k r = k/2h r = k/h r = 2k/h r = h/k r = k/2h ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer occurs by natural convection because change in temperature causes difference in Thermal conductivity Heat capacity Density Viscosity Thermal conductivity Heat capacity Density Viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer It is not preferable to use superheated steam in evaporators, because of its very high pressure high temperature low film co-efficient none of the listed here high pressure high temperature low film co-efficient none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number for most of dry gases is about 70 0.72 0.001 150 70 0.72 0.001 150 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat produced when a steady state current, I passes through an electrical conductor having resistance, 'R' is None of the listed here IR IR2 I2R None of the listed here IR IR2 I2R ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If the baffle spacing in a shell and tube heat exchanger increases, then the Reynolds number of the shell side fluid Increases Increases or decreases depending on number of shell passes Decreases Remains unchanged Increases Increases or decreases depending on number of shell passes Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP