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.

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.

16

38

19

28

16

38

19

28

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Process Equipment and Plant Design
Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate?

Diagonal square pitch

Triangular pitch

Heat transfer rate is independent of tube arrangement

Square pitch

Diagonal square pitch

Triangular pitch

Heat transfer rate is independent of tube arrangement

Square pitch

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Process Equipment and Plant Design
Triangular pitch tube layout as compared to square pitch in a shell and tube heat exchanger

Permits the use of more tubes in a given shell diameter

Both B and C

Facilitates comparatively easier external cleaning because of large clearance

Permits the use of less tubes in a given shell diameter

Permits the use of more tubes in a given shell diameter

Both B and C

Facilitates comparatively easier external cleaning because of large clearance

Permits the use of less tubes in a given shell diameter

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Process Equipment and Plant Design
Lug support is

Provided usually for vessels of much smaller height than skirt supported vessels

All of these

The most suitable for thick vertical vessel

Same as bracket support

Provided usually for vessels of much smaller height than skirt supported vessels

All of these

The most suitable for thick vertical vessel

Same as bracket support

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Process Equipment and Plant Design
The dust collection efficiency of a cyclone separator

Is inversely proportional to the mass of the dust particle

Decreases with increase in gas flow rate

Is directly proportional to the radius of the dust particle path

None of these

Is inversely proportional to the mass of the dust particle

Decreases with increase in gas flow rate

Is directly proportional to the radius of the dust particle path

None of these

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Process Equipment and Plant Design
Pressure drop per tray in the atmospheric distillation column is about __________ psi.

0.07 - 0.12

43833

0.5 - 1.0

0.01 - 0.5

0.07 - 0.12

43833

0.5 - 1.0

0.01 - 0.5

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Process Equipment and Plant Design

Process Equipment and Plant Design Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate?

Process Equipment and Plant Design Triangular pitch tube layout as compared to square pitch in a shell and tube heat exchanger

Process Equipment and Plant Design Lug support is

Process Equipment and Plant Design The dust collection efficiency of a cyclone separator

Process Equipment and Plant Design Pressure drop per tray in the atmospheric distillation column is about __________ psi.

Process Equipment and Plant Design
Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate?

Process Equipment and Plant Design
Triangular pitch tube layout as compared to square pitch in a shell and tube heat exchanger

Process Equipment and Plant Design
Lug support is

Process Equipment and Plant Design
The dust collection efficiency of a cyclone separator

Process Equipment and Plant Design
Pressure drop per tray in the atmospheric distillation column is about __________ psi.