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Process Equipment and Plant Design

Process Equipment and Plant Design
The thermal stress in a metallic bar does not depend upon the

Cross-sectional area
Both A & B
Changes in temperature
Neither A nor B

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Process Equipment and Plant Design
Which of the following efficiencies can be greater than 100%?

Point efficiency
Murphree plate efficiency
Overall plate efficiency
None of these

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Process Equipment and Plant Design
Slope of countercurrent flow rotary drier is in the range of __________ meter/metre.

0 to 0.08
0 to 0.8
0 to 1.5
0 to 2.2

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Process Equipment and Plant Design
A/an __________ is used for changing the direction of a pipeline.

Elbow
Flange
Disc compensator
Union

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Process Equipment and Plant Design
An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by

An increase in liquid viscosity
An increase in relatived volatility for rectification columns
All of these
Decrease in gas solubility for absorbers

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Process Equipment and Plant Design
If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times.

Increase by 1.8
None of these
Increase by 21.6
Decrease by 22

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