Heat Transfer In SI units, thermal conductivity is expressed in Watt/m4. °K Watt/m.°K Watt/m². °K Watt/m². °K Watt/m4. °K Watt/m.°K Watt/m². °K Watt/m². °K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The interchange factor for radiation heat transfer from surface 'x' to surface 'y' in case of an infinite parallel planes with emis-sivities εx & εy is given by 1/εx + 1/εy Εx . εy (εx + εy)/(εx + εy - εx . εy) Εx + εy 1/εx + 1/εy Εx . εy (εx + εy)/(εx + εy - εx . εy) Εx + εy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Stefan-Boltzman constant depends on the Temperature Medium Surface None of these Temperature Medium Surface None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The main purpose of providing fins on heat transfer surface is to increase the Heat transfer co-efficient Mechanical strength of the equipment Heat transfer area Temperature gradient Heat transfer co-efficient Mechanical strength of the equipment Heat transfer area Temperature gradient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A BTU/hr.ft.2 °F is equal to 1 kcal/hr. m².°K 4.88 kcal/hr. m.2°C 1 kcal/hr. m²°C None of these 1 kcal/hr. m².°K 4.88 kcal/hr. m.2°C 1 kcal/hr. m²°C None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Forced circulation evaporators are normally used for concentrating liquids having Neither A nor B Both A & B High viscosity Scaling characteristics Neither A nor B Both A & B High viscosity Scaling characteristics ANSWER DOWNLOAD EXAMIANS APP