Heat Transfer A tank painted with which of the following coloured paints, would heat up maximum by radiation from sun? Black paint White paint Yellow paint Grey paint Black paint White paint Yellow paint Grey paint ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A multiple effect evaporator has a capacity to process 4000 kg of solid caustic soda per day, when it is concentrating from 10% to 25% solids. The water evaporated in kg per day is 24000 48000 6000 60000 24000 48000 6000 60000 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a given ambient air temperature with increase in the thickness of insulation of a hot cylinderical pipe, the rate of heat loss from the surface would Increase First decrease and then increase First increase and then decrease Decrease Increase First decrease and then increase First increase and then decrease Decrease ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second. 3 x l05 3 x l010 3 x l012 3 x l08 3 x l05 3 x l010 3 x l012 3 x l08 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 = 2hL Ha= 5hL Ha = 0.8hL Ha = hL Ha = 2hL Ha= 5hL Ha = 0.8hL Ha = hL ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal diffusivity of a material Has the unit m² /sec All of these Is the ratio of thermal conductivity to thermal capacity Is defined as K/ρ . Cp Has the unit m² /sec All of these Is the ratio of thermal conductivity to thermal capacity Is defined as K/ρ . Cp ANSWER DOWNLOAD EXAMIANS APP
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