In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around

Process Equipment and Plant Design
In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around

1.5

2.5

3.5

0.5

1.5

2.5

3.5

0.5

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Process Equipment and Plant Design
Liquid gradient over a tray can be minimised by

All of these

Providing a higher skirt clearance or a higher weir

Using split flow, radial flow or cascade flow for column diameter large than 4 ft

Decreasing the number of rows of caps through which the liquid flows or by decreasing the velocity of liquid flow past the caps or by reducing the distance along the tray through which the liquid must

All of these

Providing a higher skirt clearance or a higher weir

Using split flow, radial flow or cascade flow for column diameter large than 4 ft

Decreasing the number of rows of caps through which the liquid flows or by decreasing the velocity of liquid flow past the caps or by reducing the distance along the tray through which the liquid must

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Process Equipment and Plant Design
Lug support is meant for supporting __________ vessels.

Large horizontal cylindrical

Tall but empty

Thick walled tall

Small

Large horizontal cylindrical

Tall but empty

Thick walled tall

Small

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Process Equipment and Plant Design
Normally, the length to diameter ratio of rotary dryers varies form 4 to 10 and for its economic operation, the number of transfer units (NTU) for such dryers varies from

3.5-5.5

1.5-2.5

44119

7.5-10.0

3.5-5.5

1.5-2.5

44119

7.5-10.0

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Process Equipment and Plant Design
A cylinderical pressure vessel of volume 6 πm³ has to be designed to withstand a maximum internal pressure of 10 atm. The allowable design stress of the material is 125N/mm² and corrosion allowance is 2 mm. The thickness of the vessel for a length/diameter ratio of 3 will be close to

10 mm

5 mm

8 mm

6 mm

10 mm

5 mm

8 mm

6 mm

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Process Equipment and Plant Design
Bubble cap tray is the most commonly used tray in large distillation column, because

None of these

Of its flexibility and nearly constant efficiency under varying conditions of operation

It eliminates the foaming and entrain-ment tendency during operation

It incurs less pressure drop as compared to any other try designed for the same duty

None of these

Of its flexibility and nearly constant efficiency under varying conditions of operation

It eliminates the foaming and entrain-ment tendency during operation

It incurs less pressure drop as compared to any other try designed for the same duty

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Process Equipment and Plant Design

Process Equipment and Plant Design In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around

Process Equipment and Plant Design Liquid gradient over a tray can be minimised by

Process Equipment and Plant Design Lug support is meant for supporting __________ vessels.

Process Equipment and Plant Design Normally, the length to diameter ratio of rotary dryers varies form 4 to 10 and for its economic operation, the number of transfer units (NTU) for such dryers varies from

Process Equipment and Plant Design Bubble cap tray is the most commonly used tray in large distillation column, because

Process Equipment and Plant Design
In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around

Process Equipment and Plant Design
Liquid gradient over a tray can be minimised by

Process Equipment and Plant Design
Lug support is meant for supporting __________ vessels.

Process Equipment and Plant Design
Normally, the length to diameter ratio of rotary dryers varies form 4 to 10 and for its economic operation, the number of transfer units (NTU) for such dryers varies from

Process Equipment and Plant Design
Bubble cap tray is the most commonly used tray in large distillation column, because