Heat Transfer Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second. 3 x l05 3 x l010 3 x l012 3 x l08 3 x l05 3 x l010 3 x l012 3 x l08 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Solid angle subtended by the finite surface at the radiating element is called the angle of vision proportional to the square of the distance between surfaces expressed in terms of radians called the view factor. called the angle of vision proportional to the square of the distance between surfaces expressed in terms of radians called the view factor. ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Overall thermal resistance for conductive heat transfer through a series of flat resistances is equal to the Maximum resistance in the series Sum of all resistances Average of all resistances Minimum resistance presents in the series Maximum resistance in the series Sum of all resistances Average of all resistances Minimum resistance presents in the series ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For the same heat load and mass flow rate in the tube side of a shell and tube heat exchanger, one may use multipass on the tube side, because it Increases the overall heat transfer coefficient None of these Decreases the pressure drop Decreases the outlet temperature of cooling medium Increases the overall heat transfer coefficient None of these Decreases the pressure drop Decreases the outlet temperature of cooling medium ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the most suitable for the concentration of foamy & frothy liquors? Long tube vertical evaporator Agitated film evaporator None of these Open pan evaporator Long tube vertical evaporator Agitated film evaporator None of these Open pan evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multipass heat exchangers are used 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 Because of simplicity of fabrication ANSWER DOWNLOAD EXAMIANS APP
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