Heat Transfer In sub-cooled boiling, Temperature of the heating surface is more than the boiling point of the liquid Very large vapour space is necessary Bubbles from heating surface are absorbed by the mass of the liquid 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 Very large vapour space is necessary Bubbles from heating surface are absorbed by the mass of the liquid Temperature of the heating surface is less than the boiling point of the liquid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multipass heat exchangers are used Because of simplicity of fabrication To reduce the pressure drop To obtain higher heat transfer co-efficient and shorter tube For low heat load Because of simplicity of fabrication To reduce the pressure drop To obtain higher heat transfer co-efficient and shorter tube For low heat load ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam economy in case of a triple effect evaporator will be < 1 1 > 1 Between 0 and 1 < 1 1 > 1 Between 0 and 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kirchoff's law is applicable to Total radiation only Only volumes and not to surfaces Monochromatic radiation only Both A and B Total radiation only Only volumes and not to surfaces Monochromatic radiation only Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The local surface conductance for laminar film condensation on vertical surface is (where, t = film thickness) ∝ 1/t ∝ √t ∝ t Independent of 't' ∝ 1/t ∝ √t ∝ t Independent of 't' ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS