Heat Transfer A dephlegmator is a Vacuum evaporator Total condenser Double pipe heat exchanger Partial condenser Vacuum evaporator Total condenser Double pipe heat exchanger Partial condenser ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number for full developed, laminar, constant property flow in a pipe at uniform heat flux is 0.72 83 18 4.364 0.72 83 18 4.364 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Value of Nusselt number [Nu = (hD/k)] for the heat transfer by conduction from a droplet or a spherical particle to a surrounding stagnant film is 0.5 2 100 10 0.5 2 100 10 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the absorptivity of a black body? 1 0.95 0.78 1 0.95 0.78 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vacuum is generally maintained in the vapour space of an evaporator mainly to Achieve very high concentration of the final product Concentrate heat sensitive materials Get economical temperature difference by using moderate pressure steam Facilitate forward feeding in multiple effect evaporation Achieve very high concentration of the final product Concentrate heat sensitive materials Get economical temperature difference by using moderate pressure steam Facilitate forward feeding in multiple effect evaporation ANSWER DOWNLOAD EXAMIANS APP