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 35 5 20 55 35 5 20 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 1/2 to 1/4th 1/5-1/10th 1/10-1/15th 1/20-1/30th 1/2 to 1/4th 1/5-1/10th 1/10-1/15th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The LMTD correction factor (FT) is applied in __________ heat exchangers. Double pipe All of these All multipass 1-1 cocurrent Double pipe All of these All multipass 1-1 cocurrent ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A cylinderical pressure vessel of volume 6 πm³ has to be designed to withstand a maximum internal pressure of 10 atm. The allowable design stress of the material is 125N/mm² and corrosion allowance is 2 mm. The thickness of the vessel for a length/diameter ratio of 3 will be close to 5 mm 6 mm 8 mm 10 mm 5 mm 6 mm 8 mm 10 mm ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Thin spherical shells subjected to internal pressure, develop __________ stresses. Radial Circumferential Neither A nor B Both A & B Radial Circumferential Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The function of manholes provided in the shell of a distillation column is to All of these Keep a check on the liquid gradient over the plate by direct visual observation Give access to the individual trays for cleaning, maintenance and installation Guard against foaming & entrainment by dumping antifoaming agent through it All of these Keep a check on the liquid gradient over the plate by direct visual observation Give access to the individual trays for cleaning, maintenance and installation Guard against foaming & entrainment by dumping antifoaming agent through it ANSWER DOWNLOAD EXAMIANS APP
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