Process Equipment and Plant Design The normal range of velocity of water in pipes is __________ m/sec. 15-30 1-2 0.1-0.5 10-50 15-30 1-2 0.1-0.5 10-50 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 Equal to the order of reaction 1 < 1 >1 Equal to the order of reaction 1 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. Less than Same as Either more or less (depending upon relative volatility) More than Less than Same as Either more or less (depending upon relative volatility) More than ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed __________ of the column diameter. 1/20-1/30th 1/5-1/10th 1/2 to 1/4th 1/10-1/15th 1/20-1/30th 1/5-1/10th 1/2 to 1/4th 1/10-1/15th ANSWER DOWNLOAD EXAMIANS APP
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. 200-250 750-1000 25-50 50-75 200-250 750-1000 25-50 50-75 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 - dh . dt/2)/ph (ph - dt)/ph (ph - dh)/dh (ph - dh)/ph (ph - dh . dt/2)/ph (ph - dt)/ph (ph - dh)/dh (ph - dh)/ph ANSWER DOWNLOAD EXAMIANS APP