Heat Transfer A sphere of radius 'R₁' is enclosed in a sphere of radius 'R₂'. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is R₂/(R₁+R₂) 1 (R₁/R₂)2 R₂/(R₁+R₂) 1 (R₁/R₂)2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum water velocity in tubes of a 1-2 shell and tube heat exchanger may be around __________ metres/second. 1 30 10 20 1 30 10 20 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer, in which heat is transferred by movement of warmed matter is described by Fick's law Fourier's law Newton's law of cooling None of these Fick's law Fourier's law Newton's law of cooling None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of vertical tube evaporator, with increase in liquor level, the overall heat transfer co-efficient May increase or decrease; depends on the feed Is not affected Decreases Increases May increase or decrease; depends on the feed Is not affected Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Forced circulation evaporators are normally used for concentrating liquids having Scaling characteristics High viscosity Neither A nor B Both A & B Scaling characteristics High viscosity Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Increasing the liquor level in the evaporator results in the decreased effect of hydrostatic head increased true temperature drop decreased capacity increase in liquor film co-efficient decreased effect of hydrostatic head increased true temperature drop decreased capacity increase in liquor film co-efficient ANSWER DOWNLOAD EXAMIANS APP
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