Heat Transfer In pipe flow, heat is transferred from hot wall to the liquid by Free and forced convection Conduction only Forced convection and conduction Forced convection only Free and forced convection Conduction only Forced convection and conduction Forced convection only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius of insulation for cylindrical pipe is (where, hi = heat transfer coefficient at inside of the pipe ) 2hi/K 2K/h0 K/h0 hi/K 2hi/K 2K/h0 K/h0 hi/K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the geometric mean of two heat transfer areas A₁ and A₂ ? 2 √(A₁ . A₂) √(A₁ . A₂) 1/2 √(A₁ . A₂) √(A₁ + A₂) 2 √(A₁ . A₂) √(A₁ . A₂) 1/2 √(A₁ . A₂) √(A₁ + A₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A process stream of dilute aqueous solution flowing at the rate of10 Kg.s⁻¹ is to be heated. Steam condensate at 95°C is available for heating purpose, also at a rate of 10 Kg.s⁻¹. A 1 - 1 shell and tube heat exchanger is available. The best arrangement is Parallel flow with process stream on shell side Parallel flow with process stream on tube side Counter flow with process stream on shell side Counter flow with process stream on tube side Parallel flow with process stream on shell side Parallel flow with process stream on tube side Counter flow with process stream on shell side Counter flow with process stream on tube side ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Viscous & heat sensitive liquids are concentrated in __________ evaporators. Agitated film Long tube None of these Open pan Agitated film Long tube None of these Open pan ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of an evaporator is influenced by the Number of effect Feed temperature Steam pressure Both B & C Number of effect Feed temperature Steam pressure Both B & C ANSWER DOWNLOAD EXAMIANS APP