Heat Transfer Thermal diffusivity of a material Is the ratio of thermal conductivity to thermal capacity All of these Is defined as K/ρ . Cp Has the unit m² /sec Is the ratio of thermal conductivity to thermal capacity All of these Is defined as K/ρ . Cp Has the unit m² /sec ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point of a solution according to Duhring's rule is a linear function of the __________ of water. Boiling point (at the same pressure) Density Viscosity Thermal conductivity Boiling point (at the same pressure) Density Viscosity Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Corrosiveness of steam condensate is due to the presence of Neither A nor B CO₂ Both A & B Dissolved O₂ Neither A nor B CO₂ Both A & B Dissolved O₂ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An evaporator while concentrating an aqueous solution from 10 to 40% solids evaporates 30000 kg of water. The amount of solids handled by the system in kg is 4600 4000 9000 3000 4600 4000 9000 3000 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Choose the most important factor on which the heat conducted through a wall in a unit time will depend on? Material of the wall Area of the wall perpendicular to heat flow Temperature difference between the two surfaces of the wall Thickness of the wall Material of the wall Area of the wall perpendicular to heat flow Temperature difference between the two surfaces of the wall Thickness of the wall ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the geometric mean of two heat transfer areas A₁ and A₂ ? 1/2 √(A₁ . A₂) 2 √(A₁ . A₂) √(A₁ . A₂) √(A₁ + A₂) 1/2 √(A₁ . A₂) 2 √(A₁ . A₂) √(A₁ . A₂) √(A₁ + A₂) ANSWER DOWNLOAD EXAMIANS APP
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