Heat Transfer The Stefan-Boltzman constant depends on the None of these Temperature Medium Surface None of these Temperature Medium Surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The local surface conductance for laminar film condensation on vertical surface is (where, t = film thickness) ∝ t ∝ 1/t Independent of 't' ∝ √t ∝ t ∝ 1/t Independent of 't' ∝ √t ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The sum of reflectivity and absorptivity for an opaque body is equal to 0.5 1 2 0.5 1 2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In SI units, fouling factor is expressed in m²°K/W m°K/W m²°K W/m²°K m²°K/W m°K/W m²°K W/m²°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A body is called grey if the monochromatic emissivity of the body is Different for all wavelengths Unity Zero Same for all wavelengths Different for all wavelengths Unity Zero Same for all wavelengths ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thermal radiation emitted by a body is proportional to Tn, where T is its absolute temperature. The value of 'n' is exactly 4 for Polished bodies only All bodies Black painted bodies only A black body Polished bodies only All bodies Black painted bodies only A black body ANSWER DOWNLOAD EXAMIANS APP