Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased. Liquor-film co-efficient Both A and B Neither A and B Velocity of circulation Liquor-film co-efficient Both A and B Neither A and B Velocity of circulation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat transfer by radiation from a mild steel surface is to be reduced by reducing the emissivity of the surface. This can be best achieved by Roughening the surface Giving the surface a mirror finish Painting the surface black Painting the surface white (with aluminium paint) Roughening the surface Giving the surface a mirror finish Painting the surface black Painting the surface white (with aluminium paint) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, Nst = f/2, is the __________ analogy. Colburn None of these Prandtl Reynolds Colburn None of these Prandtl Reynolds ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, (NSt x N2/3Pr) = f/2, is the __________ analogy. Prandtl Reynolds None of these Colburn Prandtl Reynolds None of these Colburn ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, putting a longitudinal baffle across the shell, forces the shell side fluid to pass __________ through the heat exchanger. Twice Thrice Once Four times Twice Thrice Once Four times ANSWER DOWNLOAD EXAMIANS APP
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