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 (D₂² - D₁²)/D₂² D₂ - D₁ None of these (D₂² - D₁²)/D₁² (D₂² - D₁²)/D₂² D₂ - D₁ None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design What is the minimum recommended ligament for square pitch arrangement in case of heat exchangers? 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 6.5 cms ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Width and depth of grooves in the tube sheet holes normally are __________ inch respectively. 1/2 and 5 1/8 and 1/64 1/2 and 8 1/64 and 1/8 1/2 and 5 1/8 and 1/64 1/2 and 8 1/64 and 1/8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Rotary driers are most economically designed for the number of heat transfer units (HTU) from 10 to 20 1.5 to 2.5 0.01 to 1 5 to 10 10 to 20 1.5 to 2.5 0.01 to 1 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum tray spacing in distillation column of diameter less than 3 ft is normally __________ inches. 18 34 6 24 18 34 6 24 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A pressure vessel is said to be made of 'thick' shell, if the ratio of its diameter to wall thickness is 10 20 10 20 10 20 10 20 ANSWER DOWNLOAD EXAMIANS APP
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