Heat Transfer The range of electromagnetic spectrum important in heat transfer by radiation is __________ microns. 5-50 0.38-0.78 0.5-50 100-1000 5-50 0.38-0.78 0.5-50 100-1000 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Absorptivity and refletivity of a perfect black body are respectively 1 and ? 0 and 1 1 and 0 0 and 0.5 1 and ? 0 and 1 1 and 0 0 and 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Among liquids, water has a comparatively high value of thermal conductivity, due to its Low density Dense structure Partial ionisation High viscosity Low density Dense structure Partial ionisation High viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation. Is same as Half Lower than Greater than Is same as Half Lower than Greater than ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The variation of thermal conductivity of a metal with temperature is often correlated using an expression of the form K = K₀ + at. where, K is the thermal conductivity and T is the temperature (in °K). The units of 'a' in SI system will be None, A is just a number W/m W/m.k W/m.k² None, A is just a number W/m W/m.k W/m.k² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam economy in case of a triple effect evaporator will be Between 0 and 1 < 1 1 > 1 Between 0 and 1 < 1 1 > 1 ANSWER DOWNLOAD EXAMIANS APP