Heat Transfer Conduction occurs in the buffer zone for a fluid flowing through a heated pipe, only when Prandtl number is L < 1 0.1 >1 L < 1 0.1 >1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer occurs by natural convection because change in temperature causes difference in Heat capacity Viscosity Density Thermal conductivity Heat capacity Viscosity Density Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a gas at low density, __________ with increase in temperature. Remains unchanged Increases Decreases May increase or decrease; depends on the gas Remains unchanged Increases Decreases May increase or decrease; depends on the gas ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Forced circulation evaporators are normally used for concentrating liquids having Scaling characteristics High viscosity Both A & B Neither A nor B Scaling characteristics High viscosity Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 1 BTU/hr.ft.°F is equal to __________ kcal/hr. m.°C. 1 None of these 4.88 1.49 1 None of these 4.88 1.49 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer by __________ may not necessarily require the presence of a medium coduction none of the listed here natural convection radiation coduction none of the listed here natural convection radiation ANSWER DOWNLOAD EXAMIANS APP