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Process Equipment and Plant Design

Process Equipment and Plant Design
A binary liquid azeotropic mixture has boiling point higher than either of the components, when it shows __________ deviation from Raoult's Law.

None of these
Negative
No
Positive

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Process Equipment and Plant Design
__________ dished head is the strongest of all.

None of these
Hemispherical
Elliptical
Torispherical

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Process Equipment and Plant Design
With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases.

Vapour & liquid load both
Running cost of cooling water for condenser
Fixed charges initially
Running cost of steam for reboiler

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Process Equipment and Plant Design
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

D/2 or minimum 2" to 5D
None of these
D/5 or minimum 2" to D
D/5 or minimum 2" to 5D

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Process Equipment and Plant Design
Typical static submergence for bubble cap plate column operating at atmospheric pressure may be around

0.5"
5"
2.5"
50% of the plate spacing

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Process Equipment and Plant Design
Excessive liquid gradient on a tray may result in the

Gas blowing beneath cap skit
Back trapping
All of these
Maldistribution of gas

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