Heat Transfer The critical radius of insulation for cylindrical pipe is (where, hi = heat transfer coefficient at inside of the pipe ) hi/K 2K/h0 2hi/K K/h0 hi/K 2K/h0 2hi/K K/h0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Shell side pressure drop in a shell and tube heat exchanger does not depend upon the Viscosity, density & mass velocity of shell side fluid Tube diameter & pitch None of these Baffle spacing & shell diameter Viscosity, density & mass velocity of shell side fluid Tube diameter & pitch None of these Baffle spacing & shell diameter ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Value of Prandtl number for water ranges from 100 to 500 5 to 10 L to 2 1000 to 2000 100 to 500 5 to 10 L to 2 1000 to 2000 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For hot feed, forward feeding as compared to backward feeding results in __________ economy. Decreased None of these No effect on Increased Decreased None of these No effect on Increased ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Viscosity of gases __________ with increase in temperature. Increase very rapidly Decrease slowly Remain unaffected Increase slowly Increase very rapidly Decrease slowly Remain unaffected Increase slowly ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat flux in the nucleate boiling regimes is proportional to (where, ΔT = excess temperature) √(ΔT) (ΔT)⁴ (ΔT)³ (ΔT)² √(ΔT) (ΔT)⁴ (ΔT)³ (ΔT)² ANSWER DOWNLOAD EXAMIANS APP