Heat Transfer Thermal diffusivity of a material Has the unit m² /sec All of these Is defined as K/ρ . Cp Is the ratio of thermal conductivity to thermal capacity Has the unit m² /sec All of these Is defined as K/ρ . Cp Is the ratio of thermal conductivity to thermal capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a cooling tower, water becomes cool by Loosing latent heat Heat transfer to surroundings Vaporisation due to heat loss to air Loosing sensible heat Loosing latent heat Heat transfer to surroundings Vaporisation due to heat loss to air Loosing sensible heat ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the most suitable for the concentration of foamy & frothy liquors? Long tube vertical evaporator None of these Open pan evaporator Agitated film evaporator Long tube vertical evaporator None of these Open pan evaporator Agitated film evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally Increases Decreases Remains unchanged Increases exponentially Increases Decreases Remains unchanged Increases exponentially ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the absorptivity of a black body? 0.78 0.95 1 0.78 0.95 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The driving potential for the crystal growth during crystallisation is the __________ of the solution. Concentration Super-saturation Density Viscosity Concentration Super-saturation Density Viscosity ANSWER DOWNLOAD EXAMIANS APP