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) D₂ - D₁ (D₂² - D₁²)/D₂² None of these (D₂² - D₁²)/D₁² D₂ - D₁ (D₂² - D₁²)/D₂² None of these (D₂² - D₁²)/D₁² ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Larger depth of liquid on the trays of a distillation column Neither A nor B Results in higher pressure drop per tray Leads to high tray efficiency Both A & B Neither A nor B Results in higher pressure drop per tray Leads to high tray efficiency Both A & B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent. 55 20 35 5 55 20 35 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The circumferential (hoop) stress in a thin walled cylinderical vessel under internal pressure is pd/2t pd/3t pd/4t pd/t pd/2t pd/3t pd/4t pd/t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design 25 per cent cut segmental baffle means that the baffle Height is 25% of the I.D. of the shell Width is 25% of its height Spacing is 75% of its height Height is 75% of the I.D. of the shell Height is 25% of the I.D. of the shell Width is 25% of its height Spacing is 75% of its height Height is 75% of the I.D. of the shell ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Theoretically calculated diameter of the stripping section of the continuous rectification column is __________ that of the enriching section. Either more or less (depending upon relative volatility) Less than Same as More than Either more or less (depending upon relative volatility) Less than Same as More than ANSWER DOWNLOAD EXAMIANS APP