Heat and Mass Transfer Sensible heat is the heat required to Change vapour into liquid Convert water into steam and superheat it Change liquid into vapour Increase the temperature of a liquid of vapour Change vapour into liquid Convert water into steam and superheat it Change liquid into vapour Increase the temperature of a liquid of vapour ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of solid metals with rise in temperature normally Remain constant Decreases Increases May increase or decrease depending on temperature Remain constant Decreases Increases May increase or decrease depending on temperature ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In a shell and tube heat exchanger, baffles are provided on the shell side to Improve heat transfer Prevent stagnation of shell side fluid All of these Provide support for tubes Improve heat transfer Prevent stagnation of shell side fluid All of these Provide support for tubes ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In heat transfer, conductance equals conductivity (kcal/hr/sq.m/°C/cm) divided by K.cal (heat) Hr (time) Sq. m (area) °C (temperature) K.cal (heat) Hr (time) Sq. m (area) °C (temperature) ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of water in general with rise in temperature Remain constant May increase or decrease depending on temperature Increases Decreases Remain constant May increase or decrease depending on temperature Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The unit of Stefan Boltzmann constant is watt/cm2 °K⁴ watt/cm4 °K watt/cm3 °K watt2/cm °K⁴ watt/cm2 °K⁴ watt/cm4 °K watt/cm3 °K watt2/cm °K⁴ ANSWER DOWNLOAD EXAMIANS APP
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