Heat Transfer It is not preferable to use superheated steam in evaporators, because of its very none of the listed here high temperature low film co-efficient high pressure none of the listed here high temperature low film co-efficient high pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The outlet temperature of cooling water in a heat exchanger is generally not allowed to exceed above 50°C in industrial practice mainly to avoid Uneconomic LMTD Excessive corrosion Its evaporation loss Decrease in heat exchanger efficiency Uneconomic LMTD Excessive corrosion Its evaporation loss Decrease in heat exchanger efficiency ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat flux, as defined in heat flow is analogous to __________ in electricity flow. Current Voltage None of these Resistance Current Voltage None of these Resistance ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which area is used in case of heat flow by conduction through a cylinder ? Logarithmic mean area None of the listed here Geometric mean area Arithmetic mean area Logarithmic mean area None of the listed here Geometric mean area Arithmetic mean area 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= 5hL Ha = 0.8hL Ha = 2hL Ha = hL Ha= 5hL Ha = 0.8hL Ha = 2hL Ha = hL ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a backward feed multiple effect evaporator No pumps are required between successive effects Feed is introduced in the first effect Feed flows from low pressure to high pressure None of these No pumps are required between successive effects Feed is introduced in the first effect Feed flows from low pressure to high pressure None of these ANSWER DOWNLOAD EXAMIANS APP
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