Heat Transfer Open pan evaporators are preferred to be used, when the solution to be concentrated is Scaling Corrosive Salty Highly viscous Scaling Corrosive Salty Highly viscous ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The advantage of backward feed multiple effect evaporators over forward feed units is that Heat sensitive material can be handled There is no additional cost of pumping Equal heat transfer co-efficients exist in various effects Most concentrated liquid is at highest temperature Heat sensitive material can be handled There is no additional cost of pumping Equal heat transfer co-efficients exist in various effects Most concentrated liquid is at highest temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing bleed points in the evaporator is to Create vacuum Admit the feed Remove the product Facilitate removal of non-condensable gases Create vacuum Admit the feed Remove the product Facilitate removal of non-condensable gases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Electro-magnetic spectrum range, which is important for radiation varies from __________ microns. 0.5 to 50 1 to 100 100 to 1000 10 to 100 0.5 to 50 1 to 100 100 to 1000 10 to 100 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The interchange factor for radiation heat transfer from surface 'x' to surface 'y' in case of an infinite parallel planes with emis-sivities εx & εy is given by (εx + εy)/(εx + εy - εx . εy) Εx . εy Εx + εy 1/εx + 1/εy (εx + εy)/(εx + εy - εx . εy) Εx . εy Εx + εy 1/εx + 1/εy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Hot surface temperature Liquid density Liquid viscosity Interfacial tension Hot surface temperature Liquid density Liquid viscosity Interfacial tension ANSWER DOWNLOAD EXAMIANS APP
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