Heat and Mass Transfer Thermal conductivity of water at 20°C is of the order of 0.42 0.51 0.1 0.23 0.42 0.51 0.1 0.23 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The most commonly used method for the design of duct size is the Static regains method Velocity reduction method Equal friction method Dual or double method Static regains method Velocity reduction method Equal friction method Dual or double method ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The value of Prandtl number for air is about 0.7 1.7 0.1 0.3 0.7 1.7 0.1 0.3 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat is transferred by all three modes of transfer, viz. conduction, convection and radiation in Boiler Steam condenser Electric heater Refrigerator condenser coils Boiler Steam condenser Electric heater Refrigerator condenser coils ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat flows from one body to other when they have Different heat contents Different atomic structure Different specific heat Different temperatures Different heat contents Different atomic structure Different specific heat Different temperatures ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In counter current flow heat exchanger, the logarithmic temperature difference between the fluids is ________ as compared to parallel flow heat exchanger. Greater None of these Less Same Greater None of these Less Same ANSWER DOWNLOAD EXAMIANS APP