Process Equipment and Plant Design In a double pipe concentric heat exchanger, the equivalent diameter of annulus for heat transfer would be (where, D₁ and D₂ are I.D. of inner and outer pipes) (D₂² - D₁²)/D₁² None of these (D₂² - D₁²)/D₂² D₂ - D₁ (D₂² - D₁²)/D₁² None of these (D₂² - D₁²)/D₂² D₂ - D₁ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, triangular pitch arrangement as compared to square pitch arrangement Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient Results in higher shell side pressure drop Can accomodate less number of tubes for a given shell diameter Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient Results in higher shell side pressure drop Can accomodate less number of tubes for a given shell diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The absorption factor is defined as (where, S₁ = slope of the equilibrium curve, S₂ = slope of the operating line) 1/S₁.S₂ S₁.S₂ S₁/S₂ S₂/S₁ 1/S₁.S₂ S₁.S₂ S₁/S₂ S₂/S₁ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pressure differential maintained across a continuous rotary vacuum filter is in the range of __________ mm Hg column. 600 to 700 50 to 100 100 to 150 250 to 500 600 to 700 50 to 100 100 to 150 250 to 500 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Optimum economic pipe diameter for fluid flow is determined by the None of these Viscosity of the fluid Density of the fluid Total cost considerations (pumping cost plus fixed cost of the pipe) None of these Viscosity of the fluid Density of the fluid Total cost considerations (pumping cost plus fixed cost of the pipe) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Normally, the length to diameter ratio of rotary dryers varies form 4 to 10 and for its economic operation, the number of transfer units (NTU) for such dryers varies from 3.5-5.5 44119 7.5-10.0 1.5-2.5 3.5-5.5 44119 7.5-10.0 1.5-2.5 ANSWER DOWNLOAD EXAMIANS APP
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