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 Prandtl number is the ratio of Thermal diffusivity to momentum diffusivity Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity Momentum diffusivity to mass diffusivity Thermal diffusivity to momentum diffusivity Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity Momentum diffusivity to mass diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a given ambient air temperature with increase in the thickness of insulation of a hot cylinderical pipe, the rate of heat loss from the surface would First decrease and then increase First increase and then decrease Increase Decrease First decrease and then increase First increase and then decrease Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer It is not preferable to use superheated steam in evaporators, because of its very high temperature none of the listed here high pressure low film co-efficient high temperature none of the listed here high pressure low film co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dietus-Boelter equation used for the determination of heat transfer co-efficient is valid none of the listed here when Grashhoff number is very important for fluids in laminar flow for fluids in tubulent flow none of the listed here when Grashhoff number is very important for fluids in laminar flow for fluids in tubulent flow ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ equation relates the thermal conductivity of a solid to its temperature. Kistyakowski Lee's Kopp's Antonie Kistyakowski Lee's Kopp's Antonie ANSWER DOWNLOAD EXAMIANS APP