Heat Transfer In sub-cooled boiling, Temperature of the heating surface is more than the boiling point of the liquid Bubbles from heating surface are absorbed by the mass of the liquid Very large vapour space is necessary Temperature of the heating surface is less than the boiling point of the liquid Temperature of the heating surface is more than the boiling point of the liquid Bubbles from heating surface are absorbed by the mass of the liquid Very large vapour space is necessary Temperature of the heating surface is less than the boiling point of the liquid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Harmonic mean temperature difference is given by 2.(ΔT₁ . ΔT₂)(ΔT₁ - ΔT₂) 2.(ΔT₁ . ΔT₂)/(ΔT₁ + ΔT₂) (ΔT₁ - ΔT₂)/(ΔT₁ . ΔT₂) √(ΔT₁ . ΔT₂) 2.(ΔT₁ . ΔT₂)(ΔT₁ - ΔT₂) 2.(ΔT₁ . ΔT₂)/(ΔT₁ + ΔT₂) (ΔT₁ - ΔT₂)/(ΔT₁ . ΔT₂) √(ΔT₁ . ΔT₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Finned tube heat exchangers facilitate very large temperature drop through tube wall give larger area per tube use metal fins of low thermal conductivity are used for smaller heat load facilitate very large temperature drop through tube wall give larger area per tube use metal fins of low thermal conductivity are used for smaller heat load ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Biot number, the characteristic length used is the ratio of the __________ of the solid. Surface area to volume Perimeter to surface area Surface area to perimeter Volume to surface area Surface area to volume Perimeter to surface area Surface area to perimeter Volume to surface area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The driving potential for the crystal growth during crystallisation is the __________ of the solution. Viscosity Super-saturation Concentration Density Viscosity Super-saturation Concentration Density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Intermittant tube cleaning is possible to be done in case of a __________ evaporator. Horizontal tube Basket type None of these Calendria Horizontal tube Basket type None of these Calendria ANSWER DOWNLOAD EXAMIANS APP
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