Heat Transfer The equation, (NSt x N2/3Pr) = f/2, is the __________ analogy. Prandtl Colburn None of these Reynolds Prandtl Colburn None of these Reynolds 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 18537 5000-15000 1000-1500 100-500 18537 5000-15000 1000-1500 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Biot number, the characteristic length used is the ratio of the __________ of the solid. Perimeter to surface area Volume to surface area Surface area to perimeter Surface area to volume Perimeter to surface area Volume to surface area Surface area to perimeter Surface area to volume ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in porosity, the thermal conductivity of a solid substance Remains unchanged May increase or decrease; depends on the solid Increases Decreases Remains unchanged May increase or decrease; depends on the solid Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second. 3 x l08 3 x l05 3 x l010 3 x l012 3 x l08 3 x l05 3 x l010 3 x l012 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A body is called grey if the monochromatic emissivity of the body is Same for all wavelengths Different for all wavelengths Unity Zero Same for all wavelengths Different for all wavelengths Unity Zero ANSWER DOWNLOAD EXAMIANS APP