Process Equipment and Plant Design The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid) 4 A/P √A 4 P/A A/P 4 A/P √A 4 P/A A/P ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The main purpose of providing stepping on the trays is to Improve the flow condition Increase the residence time Facilitate handling of large flow rate of liquid Decrease the pressure drop Improve the flow condition Increase the residence time Facilitate handling of large flow rate of liquid Decrease the pressure drop ANSWER DOWNLOAD EXAMIANS APP
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 Stage efficiency for packed tower varies with the Operating pressure and column diameter Type & size of packing All of these Fluid rates and fluid properties Operating pressure and column diameter Type & size of packing All of these Fluid rates and fluid properties ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Steam side heat transfer co-efficient for design consideration under ordinary condition can be assumed to be about __________ kcal/hr.m².°C. 1250 2500 15000 7500 1250 2500 15000 7500 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design What is the minimum recommended ligament for square pitch arrangement in case of heat exchangers? 6.5 cms Equal to tube I.D Equal to tube O.D 6.5 mm 6.5 cms Equal to tube I.D Equal to tube O.D 6.5 mm ANSWER DOWNLOAD EXAMIANS APP