Heat and Mass Transfer In heat transfer, conductance equals conductivity (kcal/hr/sq.m/°C/cm) divided by °C (temperature) Hr (time) Sq. m (area) K.cal (heat) °C (temperature) Hr (time) Sq. m (area) K.cal (heat) ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The time constant of a thermocouple is The time taken to attain 63.2% of the value of initial temperature difference The time taken to attain 50% of the value of initial temperature difference The time taken to attain the final temperature to be measured Determined by the time taken to reach 100°C from 0°C The time taken to attain 63.2% of the value of initial temperature difference The time taken to attain 50% of the value of initial temperature difference The time taken to attain the final temperature to be measured Determined by the time taken to reach 100°C from 0°C ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The total emissivity power is .defined as the total amount of radiation emitted by a black body per unit Time Thickness Area Temperature Time Thickness Area Temperature ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat transfer takes place as per First law of thermodynamic Second law of the thermodynamics Zeroth law of thermodynamics Kirchoff's law First law of thermodynamic Second law of the thermodynamics Zeroth law of thermodynamics Kirchoff's law ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal diffusivity is A physical property of the material Used as mathematical model A dimensionless parameter Function of temperature A physical property of the material Used as mathematical model A dimensionless parameter Function of temperature ANSWER DOWNLOAD EXAMIANS APP
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