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Process Equipment and Plant Design

Process Equipment and Plant Design
In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of __________ mm.

44183
43895
44058
43962

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Process Equipment and Plant Design
Spherical shaped pressure vessel is considered to be the most ideal, because it can

Be supported very easily
Withstand higher pressure for a given metallic shell thickness
Be designed without wind load considerations
Be fabricated very easily

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Process Equipment and Plant Design
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.

Working
None of these
Damaging
Allowable

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Process Equipment and Plant Design
At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally.

Unpredictable
Same
Lower
Higher

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Process Equipment and Plant Design
Pressure differential maintained across a continuous rotary vacuum filter is in the range of __________ mm Hg column.

100 to 150
50 to 100
250 to 500
600 to 700

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Process Equipment and Plant Design
Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate?

Diagonal square pitch
Triangular pitch
Heat transfer rate is independent of tube arrangement
Square pitch

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