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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.

Positive
No
Negative
None of these

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Process Equipment and Plant Design
Power required for agitation depends upon the

Height & properties of the liquid
Agitator type & speed of agitation
Size of agitator & the tank
All of these

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Process Equipment and Plant Design
In a shell and tube heat exchanger having triangular pitch, the shell side equivalent diameter is given by

(4p² - πd²/4)/πd
4(0.86p² - πd²/4)/πd
4(0.86p² - πd²)/πd
(p² - πd²/4)/πd

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Process Equipment and Plant Design
__________ of water makes it a widely used coolant in heat exchangers.

High specific heat
Low corrosiveness
Low dirt factor
Low viscosity

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Process Equipment and Plant Design
In the agitators, the power required will be changed with the increase of diameter of agitator (D) as

D
D²
D⁹
D⁵

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Process Equipment and Plant Design
Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of __________ times the paddle diameter.

0.3 to 0.5
0.65 to 0.80
0.1 to 0.25
0.5 to 0.6

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