Heat Transfer The critical radius of insulation for cylindrical pipe is (where, hi = heat transfer coefficient at inside of the pipe ) 2hi/K hi/K K/h0 2K/h0 2hi/K hi/K K/h0 2K/h0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam side heat transfer co-efficient in an evaporator is in the range of __________ kcal/hr.m²°C. 1000-1500 100-500 5000-15000 18537 1000-1500 100-500 5000-15000 18537 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Condensing film co-efficient for steam on horizontal tubes ranges from 5000 to 15000 Kcal/hr.m² .°C. Condensation of vapor is carried out inside the tube in a shell and tube heat exchanger, when the Lower pressure drop through the exchanger is desired Condensate is corrosive in nature Temperature of the incoming vapor is very high Higher condensing film co-efficient is desired Lower pressure drop through the exchanger is desired Condensate is corrosive in nature Temperature of the incoming vapor is very high Higher condensing film co-efficient is desired ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the highest thermal conductivity ? Silver Water Black Air Silver Water Black Air 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 increase and then decrease Decrease First decrease and then increase Increase First increase and then decrease Decrease First decrease and then increase ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer As the difference between the wall temperature and bulk temperature increases, the boiling heat transfer co-efficient continues to increase goes through a maximum. continues to decrease goes through a minimum continues to increase goes through a maximum. continues to decrease goes through a minimum ANSWER DOWNLOAD EXAMIANS APP
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