Heat Transfer In case of __________ boiling, the bubbles formed on a submerged hot surface get absorbed in the mass of the liquid. Nucleate None of these Low pressure Pool Nucleate None of these Low pressure Pool ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A tank painted with which of the following coloured paints, would heat up maximum by radiation from sun? Grey paint Yellow paint White paint Black paint Grey paint Yellow paint White paint Black paint ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the geometric mean of two heat transfer areas A₁ and A₂ ? 1/2 √(A₁ . A₂) √(A₁ . A₂) √(A₁ + A₂) 2 √(A₁ . A₂) 1/2 √(A₁ . A₂) √(A₁ . A₂) √(A₁ + A₂) 2 √(A₁ . A₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in porosity, the thermal conductivity of a solid substance May increase or decrease; depends on the solid Increases Remains unchanged Decreases May increase or decrease; depends on the solid Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation. Lower than Greater than Half Is same as Lower than Greater than Half Is same as ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiation heat transfer rates does not depend upon the surface area and temperature of the heat source type of absorbing surface distance between the heat source and the object receiving the heat none of the listed here surface area and temperature of the heat source type of absorbing surface distance between the heat source and the object receiving the heat none of the listed here ANSWER DOWNLOAD EXAMIANS APP