Heat Transfer Vacuum is generally maintained in the vapour space of an evaporator mainly to Achieve very high concentration of the final product Facilitate forward feeding in multiple effect evaporation Concentrate heat sensitive materials Get economical temperature difference by using moderate pressure steam Achieve very high concentration of the final product Facilitate forward feeding in multiple effect evaporation Concentrate heat sensitive materials Get economical temperature difference by using moderate pressure steam ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer jH factor for heat transfer is not a function of the __________ number. Both B & C Reynolds Nusselt Grashoff Both B & C Reynolds Nusselt Grashoff ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a multiple effect evaporator, the effect of boiling point elevation is to reduce the economy increase the economy all of the listed here reduce the capacity reduce the economy increase the economy all of the listed here reduce the capacity 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 increase and then decrease First decrease and then increase Increase Decrease First increase and then decrease First decrease and then increase Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The range of electromagnetic spectrum important in heat transfer by radiation is __________ microns. 0.5-50 0.38-0.78 100-1000 5-50 0.5-50 0.38-0.78 100-1000 5-50 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following parameters is increased by use of finned tube in a multipass shell and tube heat exchanger? All of these Convective heat transfer co-efficient Effective tube surface area for convective heat transfer Tube side pressure drop and the heat transfer rate All of these Convective heat transfer co-efficient Effective tube surface area for convective heat transfer Tube side pressure drop and the heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
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