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 1/εx + 1/εy Εx + εy Εx . εy (εx + εy)/(εx + εy - εx . εy) 1/εx + 1/εy Εx + εy Εx . εy (εx + εy)/(εx + εy - εx . εy) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the most suitable for the concentration of foamy & frothy liquors? None of these Agitated film evaporator Open pan evaporator Long tube vertical evaporator None of these Agitated film evaporator Open pan evaporator Long tube vertical evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The inside heat transfer co-efficient in case of turbulent flow of liquid in the tube side in a 1-2 shell and tube heat exchanger is increased by __________ times, when the number of tube passes is increased to 8. 40.8 40.4 20.8 20.4 40.8 40.4 20.8 20.4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam trap is used to None of these Condense the steam flowing in the pipeline Remove water resulting from partial condensation of steam Stop the supply of steam None of these Condense the steam flowing in the pipeline Remove water resulting from partial condensation of steam Stop the supply of steam ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in porosity, the thermal conductivity of a solid substance Decreases Increases Remains unchanged May increase or decrease; depends on the solid Decreases Increases Remains unchanged May increase or decrease; depends on the solid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A hot body will radiate heat most rapidly, if its surface is Black & polished White & polished White & rough Black & rough Black & polished White & polished White & rough Black & rough ANSWER DOWNLOAD EXAMIANS APP
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