Heat Transfer Water is normally used as a coolant in the heat exchange equipments mainly because ofits Low density High fluidity Low viscosity Abundance & high heat capacity Low density High fluidity Low viscosity Abundance & high heat capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a parallel flow heat exchanger, if the outlet temperature of hot and cold fluids are the same, then the log mean temperature difference (LMTD) is Maximum Minimum Infinity Zero Maximum Minimum Infinity Zero ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At constant temperature, the thermal conductivities of gases __________ with rise in pressure. Remain unchanged May increase or decrease; depends on the pressure Increase Decrease Remain unchanged May increase or decrease; depends on the pressure Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a liquid-liquid heat exchanger, for the same process temperature, the ratio of the LMTD in parallel flow to the LMTD in counter flow is always > 1 ∞ < 1 1 > 1 ∞ < 1 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer by conduction in the turbulent core of a fluid flowing through a heated pipe is negligible, if the value of Prandtl number is 0.2 0.4 0.6 0.8 0.2 0.4 0.6 0.8 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 'Fouling factor' used in the design of a multipass shell and tube heat exchanger is a Factor of safety None of these Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient Non-dimensional factor Factor of safety None of these Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient Non-dimensional factor ANSWER DOWNLOAD EXAMIANS APP