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 Black painted bodies only A black body Polished bodies only All bodies Black painted bodies only A black body Polished bodies only All bodies ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For __________ Prandtl number values, the heat conduction will be negligible in the buffer zone. Extremely low No High Low Extremely low No High Low ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For condensation of pure vapors, if the heat transfer co-efficients in filmwise and drop-wise condensation are respectively hf and hd, then hf < hd hf > hd hf = hd hf could be greater or smaller than hd hf < hd hf > hd hf = hd hf could be greater or smaller than hd 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 Steam side heat transfer co-efficient in an evaporator is in the range of __________ kcal/hr.m²°C. 100-500 5000-15000 18537 1000-1500 100-500 5000-15000 18537 1000-1500 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a conducting solid material depends upon its temperature None of the listed here porosity both temperature & porosity temperature None of the listed here porosity both temperature & porosity ANSWER DOWNLOAD EXAMIANS APP