Heat and Mass Transfer In heat exchangers, degree of approach is defined as the difference between temperatures of Hot medium outlet and cold water outlet Hot medium outlet and cold water inlet Hot medium inlet and outlet Cold water inlet and outlet Hot medium outlet and cold water outlet Hot medium outlet and cold water inlet Hot medium inlet and outlet Cold water inlet and outlet ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Two balls of same material and finish have their diameters in the ratio of 2: 1 and both are heated to same temperature and allowed to cool by radiation. Rate of cooling by big ball as compared to smaller one will be in the ratio of 0.16736111111111 0.042361111111111 0.043055555555556 0.084027777777778 0.16736111111111 0.042361111111111 0.043055555555556 0.084027777777778 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The amount of radiation mainly depends on Temperature of body All of these Nature of body Type of surface of body Temperature of body All of these Nature of body Type of surface of body 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) Sq. m (area) °C (temperature) Hr (time) K.cal (heat) Sq. m (area) °C (temperature) Hr (time) ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer When heat is transferred by molecular collision, it is referred to as heat transfer by Convection Conduction Scattering Radiation Convection Conduction Scattering Radiation ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer According to Dalton's law of partial pressures, (where pb = Barometric pressure, pa = Partial pressure of dry air, and pv = Partial pressure of water vapour) Pb = pa × pv Pb = pa + pv Pb = pa - pv Pb = pa/pv Pb = pa × pv Pb = pa + pv Pb = pa - pv Pb = pa/pv ANSWER DOWNLOAD EXAMIANS APP
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