In distillation columns, bubble caps are held in place over trays by ________________?

Related Mcqs:

For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for dia of the tank in question), the thickness of the courses of shell_________________?

A. Decreases upwards B. Increases upwards C. Remains same throughout D. May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell...

Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always_________________?

A. Less than arithmetic mean value B. More than arithmetic mean value C. More than geometric mean value D. Both B. & C....

The optimum size ratio for two mixed reactors in series depends on the kinetics of the reaction and the conversion level. For reaction orders more than one, the_________________?

A. Equal sized reactors are the best B. Smaller reactor should come first C. Larger reactor should come first D. None of these...

The ideal size of round bubble caps to be used in industrial distillation column having a diameter of 3-6 metres is ________________ cms?

A. 5 B. 15 C. 7.5 D. 50...

25 per cent cut segmental baffle means that the baffle__________________?

A. Height is 75% of the I.D. of the shell B. Height is 25% of the I.D. of the shell C. Spacing is 75% of its height D. Width is 25% of its height...