Process Equipment and Plant Design In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) 4(P² - πd²/4)/πd Πd/4P² 4P²/πd (P² - πd²/4)/πd 4(P² - πd²/4)/πd Πd/4P² 4P²/πd (P² - πd²/4)/πd ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for fully open gate valves would be Much less (say 2% than that for fully open globe valves) Much more than that for fully open globe valves Around 7 Both B and C Much less (say 2% than that for fully open globe valves) Much more than that for fully open globe valves Around 7 Both B and C 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) D₂ - D₁ None of these (D₂² - D₁²)/D₁² (D₂² - D₁²)/D₂² D₂ - D₁ None of these (D₂² - D₁²)/D₁² (D₂² - D₁²)/D₂² ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A perforated plate has holes of diameter dh arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by (ph - dt)/ph (ph - dh)/dh (ph - dh . dt/2)/ph (ph - dh)/ph (ph - dt)/ph (ph - dh)/dh (ph - dh . dt/2)/ph (ph - dh)/ph ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Movement of pipeline caused by thermal expansion is taken care by providing Change in the shape of pipeline All of these Changes in its direction Expansion joint Change in the shape of pipeline All of these Changes in its direction Expansion joint ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A head comprises of straight flange section, corner torus, section and central dished section. Crown radius and knuckle radius in a head is related respectively to the Straight flange section and corner torus section Corner torus section and central dished section Central dished section and straight flange section Central dished section and corner torus section Straight flange section and corner torus section Corner torus section and central dished section Central dished section and straight flange section Central dished section and corner torus section ANSWER DOWNLOAD EXAMIANS APP
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