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. 5 35 55 20 5 35 55 20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum baffle height should be Twice the impeller diameter 3/4 of the tank height Equal to the impeller diameter Twice the tank diameter Twice the impeller diameter 3/4 of the tank height Equal to the impeller diameter Twice the tank diameter 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 The wall thickness of thin cylindrical shell with hemispherical ends is __________ that of the spherical ends. More than Either B or C; depends on maximum permissible internal pressure Equal to Less than More than Either B or C; depends on maximum permissible internal pressure Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of (1.2)3/5 (1.2)2/3 (1.2)3/2 (1.2)5/3 (1.2)3/5 (1.2)2/3 (1.2)3/2 (1.2)5/3 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the shell side cross flow area does not depend upon Pitch None of these Clearance Baffle spacing Pitch None of these Clearance Baffle spacing ANSWER DOWNLOAD EXAMIANS APP