For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used?

Process Equipment and Plant Design
For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used?

0.8

1

(0.8)0.5

0.9

0.8

1

(0.8)0.5

0.9

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Process Equipment and Plant Design
With increase in the number of shell passes, the value of FT

Decreases

Remains same, only if the number of tube passes does not change

Remains same

Increases

Decreases

Remains same, only if the number of tube passes does not change

Remains same

Increases

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Process Equipment and Plant Design
Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor.

15-20

43961

30-35

35-40

15-20

43961

30-35

35-40

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Process Equipment and Plant Design
Which of the following lengths of heat exchanger tubes are normally not used in practice?

2.5 metres

0.5 metre

6 metres

10 metres

2.5 metres

0.5 metre

6 metres

10 metres

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Process Equipment and Plant Design
Seamless pipe is made

From rolled strips formed into cylinders and seam-welded

By extrusion & casting into static and centrifugal molds

Both B and C

By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer point and further reducing it by rolling gas drawing

From rolled strips formed into cylinders and seam-welded

By extrusion & casting into static and centrifugal molds

Both B and C

By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer point and further reducing it by rolling gas drawing

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Process Equipment and Plant Design
The operating pressure drop range in a bag filter is about __________ mm water gauge.

500-1500

43961

50-150

1500-2500

500-1500

43961

50-150

1500-2500

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Process Equipment and Plant Design

Process Equipment and Plant Design With increase in the number of shell passes, the value of FT

Process Equipment and Plant Design Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor.

Process Equipment and Plant Design Which of the following lengths of heat exchanger tubes are normally not used in practice?

Process Equipment and Plant Design Seamless pipe is made

Process Equipment and Plant Design The operating pressure drop range in a bag filter is about __________ mm water gauge.

Process Equipment and Plant Design
With increase in the number of shell passes, the value of FT

Process Equipment and Plant Design
Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor.

Process Equipment and Plant Design
Which of the following lengths of heat exchanger tubes are normally not used in practice?

Process Equipment and Plant Design
Seamless pipe is made

Process Equipment and Plant Design
The operating pressure drop range in a bag filter is about __________ mm water gauge.