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Process Equipment and Plant Design

Process Equipment and Plant Design
What is the slope of the operating line in the stripping section of a distillation column?

?
> 1
< 1

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Process Equipment and Plant Design
Hazards associated with the relief valve leakage for extremely hazardous material storage can be taken care of by providing

Dikes
None of these
Surge chamber
Rupture diaphragm

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Process Equipment and Plant Design
Cooling water fouling factors vary in the range of 0.001 to 0.003

(kcal/hr.m² .°C)⁻¹
(kcal/hr. m. °C)⁻¹
(BTU/hr.ft² . °F)⁻¹
(W/m².°K)⁻¹

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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
Heat transfer co-efficient, hG(Kcal/hr.m² .°C) and mass velocity of air, G (kg/hr.m² ) for air flow parallel to the surface in case of constant drying rate in batch drying is related as hG = 0.0176G0.8. But when the flow of air perpendicular to the surface is encountered, this equation changes to

HG = 1.004G0.37
1.004G0.8
0.0176G1.37
HG = 0.0176G0.37

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Process Equipment and Plant Design
A pressure vessel is said to be made of 'thick' shell, if the ratio of its diameter to wall thickness is

10
10
20
20

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