Tubes are fixed to the tube sheet (a thick circular metallic plate) by the method of tube rolling and brazing (non-removable) or ferrule connection (removable). Thickness of the tube, sheet is normally __________ the outside diameter of the tube but in no case it should be less than 22 mm (7/8").

Process Equipment and Plant Design
Tubes are fixed to the tube sheet (a thick circular metallic plate) by the method of tube rolling and brazing (non-removable) or ferrule connection (removable). Thickness of the tube, sheet is normally __________ the outside diameter of the tube but in no case it should be less than 22 mm (7/8").

Half

Three fourth

1.5 times

Equal to

Half

Three fourth

1.5 times

Equal to

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Process Equipment and Plant Design
For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by

Di, opt = 3 Q0.36 ρ0.18

Di, opt = 3 Q0.36 . ρ1.86 μ0.08

Di, opt = 3.9 Q0.45 . ρ0.23

Di, opt = 7.6 Q0.36 . ρ0.9

Di, opt = 3 Q0.36 ρ0.18

Di, opt = 3 Q0.36 . ρ1.86 μ0.08

Di, opt = 3.9 Q0.45 . ρ0.23

Di, opt = 7.6 Q0.36 . ρ0.9

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Process Equipment and Plant Design
For a 25 mm hole drilled in plates to be rivetted, the shank diameter of the rivet should be __________ mm.

25

23

27

26

25

23

27

26

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Process Equipment and Plant Design
Pick out the wrong statement about the design of seive plate column and the bubble cap column.

Weir length for a bubble cap plate is the same as that for the seive plate

Weir height in case of a bubble cap plate ranges from 50 to 150 mm and is higher than the seive plate

Weir height for a bubble cap plate column is the same as that for a seive plate column

The downcomer design and the residence time in the downcomer is almost same for seive plate and bubble cap columns

Weir length for a bubble cap plate is the same as that for the seive plate

Weir height in case of a bubble cap plate ranges from 50 to 150 mm and is higher than the seive plate

Weir height for a bubble cap plate column is the same as that for a seive plate column

The downcomer design and the residence time in the downcomer is almost same for seive plate and bubble cap columns

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Process Equipment and Plant Design
In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by

σh = σL/2

σh = σL

σh = 2 σL

No relation exists

σh = σL/2

σh = σL

σh = 2 σL

No relation exists

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Process Equipment and Plant Design
In a heat exchanger, shell side fluid velocity can be changed by changing the tube

Both A & B

Layout

Neither A nor B

Pitch

Both A & B

Layout

Neither A nor B

Pitch

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Process Equipment and Plant Design

Process Equipment and Plant Design For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by

Process Equipment and Plant Design For a 25 mm hole drilled in plates to be rivetted, the shank diameter of the rivet should be __________ mm.

Process Equipment and Plant Design Pick out the wrong statement about the design of seive plate column and the bubble cap column.

Process Equipment and Plant Design In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by

Process Equipment and Plant Design In a heat exchanger, shell side fluid velocity can be changed by changing the tube

Process Equipment and Plant Design
For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by

Process Equipment and Plant Design
For a 25 mm hole drilled in plates to be rivetted, the shank diameter of the rivet should be __________ mm.

Process Equipment and Plant Design
Pick out the wrong statement about the design of seive plate column and the bubble cap column.

Process Equipment and Plant Design
In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by

Process Equipment and Plant Design
In a heat exchanger, shell side fluid velocity can be changed by changing the tube