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