Process Equipment and Plant Design
LMTD correction factor is used in heat exchanger design for

Multipass shell and tube heat exchanger
Counter flow of hot and cold fluids
Fouling fluids
Double pipe heat exchanger

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Process Equipment and Plant Design
In a bag filter, the pressure drop increases directly as the

Density of the gas, but is independent of the viscosity of the gas
None of these
Density of the gas and inversely as viscosity of the gas
Viscosity of the gas and inversely as density of the gas

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of the distillation column.

If sufficient slot area is not provided, the gas may pass through the skirt clearance
None of these
The purpose of the slot is to disperse the gas into the liquid in the form of small bubbles
Generally, a skirt clerance of 0.5" to 1.5' is recommended to prevent plugging of the slots by residue build up

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