Heat Transfer A body is called grey if the monochromatic emissivity of the body is Zero Same for all wavelengths Different for all wavelengths Unity Zero Same for all wavelengths Different for all wavelengths Unity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thickness of thermal boundary layer is more compared to that of hydrodynamic boundary layer, when the value of Prandtl number is 1 < 1 > 5 > 1 1 < 1 > 5 > 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer LMTD correction factor which is to be applied for a cross-flow heat exchanger increases with increase in the number of shell passes. Its value for a single pass cross flow heat exchanger is Zero 1 >1 <1 Zero 1 >1 <1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is generally considered as opaque surface towards radiations? Both solids & liquids Gases Solids Liquids Both solids & liquids Gases Solids Liquids 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 (R₁/R₂)2 R₂/(R₁+R₂) 1 (R₁/R₂)2 R₂/(R₁+R₂) 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Mechanical recompression evaporation is used in the production of Salt Fruits jam Distilled water Alcohol Salt Fruits jam Distilled water Alcohol ANSWER DOWNLOAD EXAMIANS APP
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