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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
No
Negative
Positive

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Process Equipment and Plant Design
Overall mass transfer co-efficient in case of absorption of __________ in water is based on the gas film co-efficient only, as the mass transfer process is gas film (phase) controlling.

SO₂
CO₂
NH₃
None of these

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Process Equipment and Plant Design
Which of the following factors affect the pressure drop in a co-current gas-liquid absorption packed tower?

Density and viscosity of fluids
Size, shape, orientation and surface of the packing particles
Fluid flow rates
All of these

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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
Decrease by 22
Increase by 21.6
None of these

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Process Equipment and Plant Design
In a shell and tube heat exchanger, the 'tube pitch' is defined as the

Shortest centre to centre distance between adjacent tubes
O.D. of the tube for square pitch
Shortest distance between two adj acent tube holes
None of these

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Process Equipment and Plant Design
The units of Young's modulus of elasticity and __________ are the same.

Strain
Stress
None of these
Modular ratio

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