Heat Transfer The equivalent diameter for pressure drop is __________ that for heat transfer smaller than greater than None of the listed here equal to smaller than greater than None of the listed here equal to 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 1 R₂/(R₁+R₂) (R₁/R₂)2 1 R₂/(R₁+R₂) (R₁/R₂)2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In which mode of heat transfer, the Biot number is important? Transient heat conduction Forced convection Radiation Natural convection Transient heat conduction Forced convection Radiation Natural convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation of steam on cooling surface is promoted None of these When both the steam and the tube are clean Only in presence of air An oily surface None of these When both the steam and the tube are clean Only in presence of air An oily surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, the hydrodynamic and thermal boundary layers of a fluid flowing over a heated plate will be identical? > 1 None of these 1 < 1 > 1 None of these 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With the increase of temperature, the Col-burn jH factor May increase or decrease ; depending on temperature Remains unchanged Increases Decreases May increase or decrease ; depending on temperature Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP