Process Equipment and Plant Design In packed absorption tower, onset of flooding usually occurs at a pressure drop of about __________ mm of water column per metre height of packing. 750-1000 200-250 25-50 50-75 750-1000 200-250 25-50 50-75 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always >1 < 1 1 Equal to the order of reaction >1 < 1 1 Equal to the order of reaction ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design 1.2 to 3.8 cms is the value of the Downcomer liquid seal in case of a balanced tray design All of these Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.) Skirt clearance for bubble caps Downcomer liquid seal in case of a balanced tray design All of these Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.) Skirt clearance for bubble caps ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in temperature drop (in a shell and tube heat exchanger), the LMTD correction factor, FT Decreases very rapidly Increases linearly Increases very rapidly Remains constant Decreases very rapidly Increases linearly Increases very rapidly Remains constant ANSWER DOWNLOAD EXAMIANS APP
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) Πd/4P² 4(P² - πd²/4)/πd (P² - πd²/4)/πd 4P²/πd Πd/4P² 4(P² - πd²/4)/πd (P² - πd²/4)/πd 4P²/πd ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The practical representative values of HETP for a number of commercial operations lies within a range of __________ metre. 0.1-0.2 0.2-0.5 0.4-0.9 1.2-1.5 0.1-0.2 0.2-0.5 0.4-0.9 1.2-1.5 ANSWER DOWNLOAD EXAMIANS APP
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