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 1 (R₁/R₂)2 R₂/(R₁+R₂) 1 (R₁/R₂)2 R₂/(R₁+R₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For hot feed, forward feeding as compared to backward feeding results in __________ economy. No effect on Decreased None of these Increased No effect on Decreased None of these Increased ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reynold's analogy states that Nst α f NRe α f Nst α NRe NNu α f Nst α f NRe α f Nst α NRe NNu α f ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Tubes are held between top and bottom tube sheets in Calenderia type evaporator by keeping Both the tube sheets fixed Both the tube sheets floating The top tube sheet floating and bottom tube sheet fixed The top tube sheet fixed and the bottom tube-sheet floating Both the tube sheets fixed Both the tube sheets floating The top tube sheet floating and bottom tube sheet fixed The top tube sheet fixed and the bottom tube-sheet floating ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal diffusivity of a material Has the unit m² /sec Is defined as K/ρ . Cp All of these Is the ratio of thermal conductivity to thermal capacity Has the unit m² /sec Is defined as K/ρ . Cp All of these Is the ratio of thermal conductivity to thermal capacity ANSWER DOWNLOAD EXAMIANS APP
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