The retention time of material in a rotary dryer depends upon its ______________________?

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If ‘D’ is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of__________________?

A. D/2 or minimum 2″ to 5D B. D/5 or minimum 2″ to 5D C. D/5 or minimum 2″ to D D. None of these...

Pick out the wrong statement ?

A. In a flanged and standard dished head, the crown radius is ≤ shell outside diameter B. In a flanged and shallow dished head, the crown radius is > shell outside diameter C. Flat head covers are most suitable for larger vessels operating at very high pressure D. Flanged only head is a type of … Pick out the wrong statement ?Read More...

Apex angle of conical heads used in the bottom heads of chemical process equipments is usually__________________?

A. 30° B. 45° C. 60° D. 75°...

Width and depth of grooves in the tube sheet holes normally are _______________ inch respectively?

A. 1/8 and 1/64 B. 1/64 and 1/8 C. 1/2 and 8 D. 1/2 and 5...

Fresh water carrying pipelines in chemical industries are coloured with _______________ color?

A. Sea green B. Brown C. Yellow D. Red...