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Process Equipment and Plant Design

Process Equipment and Plant Design
Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as

Δp = 1/G0.6
Δp = G
Δp = G0.5
Δp = G2

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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.

Flat plate
Ellipsoidal
Torispherical
Hemispherical

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Process Equipment and Plant Design
In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the

Liquid gradient on the tray
Lower skirt clearance
Lower static submergence
Small downcomer liquid seal

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Process Equipment and Plant Design
The type of stress developed in a metallic bar on subjecting it to a change in temperature without allowing it to be deformed is __________ stress.

Thermal
Tensile
Shear
Compressive

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Process Equipment and Plant Design
For identical operating conditions, the pressure drop over __________ tray is the highest out of the following.

Sieve
Bubble cap
Counterflow
Valve

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Process Equipment and Plant Design
A 'rupture disc' is provided in chemical equipments as an accessory meant for

Avoiding vortex formation
Enhancing mixing rate
Creating turbulence
Relieving excess pressure

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