Pick out the wrong statement pertaining to the design of a basket type evaporator.

Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of a basket type evaporator.

Downtake is formed by the annular space between the bundle and the shell

The tube bundle is suspended on bracket

It is used for high viscosity liquor having large rate of scaling

There is no central downtake

Downtake is formed by the annular space between the bundle and the shell

The tube bundle is suspended on bracket

It is used for high viscosity liquor having large rate of scaling

There is no central downtake

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Process Equipment and Plant Design
In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube)

4(P² - πd²/4)/πd

4P²/πd

Πd/4P²

(P² - πd²/4)/πd

4(P² - πd²/4)/πd

4P²/πd

Πd/4P²

(P² - πd²/4)/πd

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Process Equipment and Plant Design
Lap joints are preferred for plates having thickness __________ mm.

< 12.5

> 5

43961

> 3

< 12.5

> 5

43961

> 3

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Process Equipment and Plant Design
Tube wall thickness depends on the cor-rosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than __________ mm outside diameter is generally not recommended for fouling fluids.

38

28

16

19

38

28

16

19

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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

3.5

0.5

2.5

1.5

3.5

0.5

2.5

1.5

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Process Equipment and Plant Design
The thickness of heat transfer plates used in the plate type heat exchanger ranges from __________ mm, pressed in a single piece provided with grooves & corrugations.

44055

1.25 to 3.125

3.5 to 7.0

0.3 to 0.8

44055

1.25 to 3.125

3.5 to 7.0

0.3 to 0.8

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Process Equipment and Plant Design

Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a basket type evaporator.

Process Equipment and Plant Design In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube)

Process Equipment and Plant Design Lap joints are preferred for plates having thickness __________ mm.

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 The thickness of heat transfer plates used in the plate type heat exchanger ranges from __________ mm, pressed in a single piece provided with grooves & corrugations.

Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of a basket type evaporator.

Process Equipment and Plant Design
In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube)

Process Equipment and Plant Design
Lap joints are preferred for plates having thickness __________ mm.

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
The thickness of heat transfer plates used in the plate type heat exchanger ranges from __________ mm, pressed in a single piece provided with grooves & corrugations.