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Process Equipment and Plant Design

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

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

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Process Equipment and Plant Design
The operating pressure drop range in a bag filter is about __________ mm water gauge.

500-1500
43961
1500-2500
50-150

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Process Equipment and Plant Design
The approximate liquid depth in an agitation tank is equal to (where, d = tank diameter)

0.5 d
2 d
0.75 d
D

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Process Equipment and Plant Design
Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer).

650
450
250
750

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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.

Torispherical
Hemispherical
Flat plate
Ellipsoidal

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Process Equipment and Plant Design
For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ).

D²
1/D⁵
1/D²
1/D

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