Heat Transfer For an ideal black body Emissivity = 0 Absorptivity = 1 Transmissivity = 1 Reflectivity = 1 Emissivity = 0 Absorptivity = 1 Transmissivity = 1 Reflectivity = 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For hot feed, forward feeding as compared to backward feeding results in __________ economy. Increased No effect on Decreased None of these Increased No effect on Decreased None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The average heat transfer co-efficient over the entire length of the plate (ha) and the local heat transfer co-efficient (hL), in case of heat transfer over a flat plate in lminar zone is related as Ha = hL Ha = 0.8hL Ha = 2hL Ha= 5hL Ha = hL Ha = 0.8hL Ha = 2hL Ha= 5hL ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Increasing the liquor level in the evaporator results in the increase in liquor film co-efficient decreased effect of hydrostatic head decreased capacity increased true temperature drop increase in liquor film co-efficient decreased effect of hydrostatic head decreased capacity increased true temperature drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Water always boils when its Temperature reaches 100° C Saturated vapour pressure is less than the atmospheric pressure Vapour pressure equals 76 cm of Hg Saturated vapour pressure equals the external pressure on its surface Temperature reaches 100° C Saturated vapour pressure is less than the atmospheric pressure Vapour pressure equals 76 cm of Hg Saturated vapour pressure equals the external pressure on its surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the best tube arrangement (in a shell and tube heat exchanger) if the fluids are clean and non-fouling? None of these Square pitch Triangular pitch Diagonal square pitch None of these Square pitch Triangular pitch Diagonal square pitch ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS