Heat Transfer Water is normally used as a coolant in the heat exchange equipments mainly because ofits Low viscosity Low density High fluidity Abundance & high heat capacity Low viscosity Low density High fluidity Abundance & high heat capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Fourier number (defined as a.t/L²) is used in the analysis of problem involving heat transfer by Transient conduction Natural convection Forced convection Steady state conduction Transient conduction Natural convection Forced convection Steady state conduction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a multipass shell and tube heat exchanger, providing a baffle on the shell side __________ the heat transfer rate. Increases Does not affect May increase or decrease, depends on the type of baffle Decreases Increases Does not affect May increase or decrease, depends on the type of baffle Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A tank painted with which of the following coloured paints, would heat up maximum by radiation from sun? Grey paint Yellow paint Black paint White paint Grey paint Yellow paint Black paint White paint ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For what value of Prandtl number, St = f/2? > 1 1 1.5 2 > 1 1 1.5 2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer Decreases Increases Increases exponentially Remains unaffected Decreases Increases Increases exponentially Remains unaffected ANSWER DOWNLOAD EXAMIANS APP