Heat Transfer When vaporisation takes place through a blanketting film of gas, the phenomenon is termed as __________ boiling. none of the listed here film pool transition none of the listed here film pool transition ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the bubbles formed on a submerged hot surface get absorbed in the mass of the liquid. Pool Low pressure None of these Nucleate Pool Low pressure None of these Nucleate ANSWER DOWNLOAD EXAMIANS APP
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 Choose the most important factor on which the heat conducted through a wall in a unit time will depend on? Temperature difference between the two surfaces of the wall Area of the wall perpendicular to heat flow Material of the wall Thickness of the wall Temperature difference between the two surfaces of the wall Area of the wall perpendicular to heat flow Material of the wall Thickness of the wall ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A metal wire of 0.01 m dia and thermal conductivity 200 W/m.K is exposed to a fluid stream with a convective heat transfer coefficient of 100 W/m².K. The Biot number is 5.6 3.5 0.025 0.0035 5.6 3.5 0.025 0.0035 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat exchangers operating, when the asymptotic range is reached, None of these Results in making part of the heating surface inactive Provide very large heat transfer co-efficient Results in abruptly increased velocity None of these Results in making part of the heating surface inactive Provide very large heat transfer co-efficient Results in abruptly increased velocity ANSWER DOWNLOAD EXAMIANS APP