Heat Transfer It is not preferable to use superheated steam in evaporators, because of its very high pressure none of the listed here high temperature low film co-efficient high pressure none of the listed here high temperature low film co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a perfectly transparent surface (like gases), the Transmissivity = 1 Reflectivity = 0 Absorptivity = 0 All of these Transmissivity = 1 Reflectivity = 0 Absorptivity = 0 All of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a given ambient air temperature with increase in the thickness of insulation of a hot cylinderical pipe, the rate of heat loss from the surface would First decrease and then increase Increase Decrease First increase and then decrease First decrease and then increase Increase Decrease First increase and then decrease ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In sub-cooled boiling, Temperature of the heating surface is more than the boiling point of the liquid Temperature of the heating surface is less 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 more than the boiling point of the liquid Temperature of the heating surface is less 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 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Viscous & heat sensitive liquids are concentrated in __________ evaporators. None of these Open pan Agitated film Long tube None of these Open pan Agitated film Long tube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the best tube arrangement (in a shell and tube heat exchanger) if the fluids are clean and non-fouling? Diagonal square pitch Square pitch None of these Triangular pitch Diagonal square pitch Square pitch None of these Triangular pitch ANSWER DOWNLOAD EXAMIANS APP
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