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Process Equipment and Plant Design

Process Equipment and Plant Design
Apex angle of conical heads used in the bottom heads of chemical process equipments is usually

30°
60°
75°
45°

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Process Equipment and Plant Design
In condenser, the cooling water is passed in the tube side in a pass arrangement, because

It makes condenser compact
It reduces heat transfer area
More thinner tubes can be used
Pressure drop is reduced

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Process Equipment and Plant Design
A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is

Deformation
Bending
Elongation
Shear

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Process Equipment and Plant Design
With increase in the number of shell passes, the value of FT

Remains same, only if the number of tube passes does not change
Decreases
Increases
Remains same

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Process Equipment and Plant Design
Cylinderical shell thickness of rotary drier is generally __________ mm.

18-22
44180
43990
43864

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Process Equipment and Plant Design
The ends of a cylinderical vessel can be closed by a head, which can be one of the four shapes. For the same thickness, choose the one which can withstand the highest pressure.

Ellipsoidal
Torispherical
Flat plate
Hemispherical

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