Heat Transfer Stefen's block body radiation law can also be derived from __________ law. Fourier's Kirchoffs Planck's None of these Fourier's Kirchoffs Planck's None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Presence of a non-condensing gas in a condensing vapour increases the rate of condensation decreases thermal resistance None of the listed here is desirable to increase the film co-efficient increases the rate of condensation decreases thermal resistance None of the listed here is desirable to increase the film co-efficient 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 Steam condensate is recovered by steam traps and recycled for use as boiler feed water, because of its low Dissolved soilds content Hardness All of these Suspended solids content Dissolved soilds content Hardness All of these Suspended solids content ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the most suitable for the concentration of foamy & frothy liquors? Long tube vertical evaporator None of these Open pan evaporator Agitated film evaporator Long tube vertical evaporator None of these Open pan evaporator Agitated film evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Absorptivity and refletivity of a perfect black body are respectively 0 and 0.5 1 and 0 1 and ? 0 and 1 0 and 0.5 1 and 0 1 and ? 0 and 1 ANSWER DOWNLOAD EXAMIANS APP
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