Process Equipment and Plant Design MCQs

Pick out the wrong statement about routing of fluids in a shell and tube heat exchanger.

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The corrosive and fouling fluid should be preferably routed through the tubes.
The viscous fluid should be routed through the shell side.
Lower flow rate fluid should be routed through the shell side.
Higher pressure fluid stream should be routed through the shell side.
✅ The correct answer is option D.

In a bag filter, the pressure drop increases directly as the

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density of the gas, but is independent of the viscosity of the gas.
density of the gas and inversely as viscosity of the gas.
viscosity of the gas and inversely as density of the gas.
none of these.
✅ The correct answer is option B.

Any shell opening greater than 5 cms for a storage tank must be reinforced for reason of

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preventing the local overstressing of the shell around the opening.
reduction of discontinuity in shape at the junction.
making the joint leak proof.
none of these.
✅ The correct answer is option A.

The design stress, which is more than the damaging stress, is the least unit stress that will render a member unfit for service before the end of its normal life. The design stress factor or factor of safety indicates the margin between design stress and the __________ stress.

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working
damaging
allowable
none of these
✅ The correct answer is option B.