Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? Cross-partition rings Raschig rings All of these Lessig rings Cross-partition rings Raschig rings All of these Lessig rings ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The clearance between two tubes in a shell and tube heat exchanger is known as 'ligament', whose minimum value is __________ the outside diameter of the tube, but in no case it should be less than 4.5 mm. Half One fourth Three fourth Equal to Half One fourth Three fourth Equal to ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than __________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop. 150 50 25 75 150 50 25 75 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Rivets are generally specified by the None of these Overall length Head diameter Shank diameter None of these Overall length Head diameter Shank diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by No relation exists σh = σL/2 σh = σL σh = 2 σL No relation exists σh = σL/2 σh = σL σh = 2 σL ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate? Diagonal square pitch Triangular pitch Heat transfer rate is independent of tube arrangement Square pitch Diagonal square pitch Triangular pitch Heat transfer rate is independent of tube arrangement Square pitch ANSWER DOWNLOAD EXAMIANS APP
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