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Piping Quiz

Posted by Antony Thomas at Monday, February 16, 2009

 

Piping Quiz... Useful piping quiz

 

What should be the radius of long radius elbow?
Answer:
1.5D (Where “D” is the diameter of the pipe)

Normally where do we use the following?
i. Eccentric reducers ii)Concentric reducers
Answer:
i. Eccentric reducers = Pump suction to avoid Cavitation, To maintain elevation (BOP) in
rack.
ii. Concentric reducers = Pump discharge, vertical pipeline etc.

Concentric reducer is used in pump suction. (Yes / No). Explain.
Answer:
No. Air pockets may form if concentric reducer is used at pump suction, which results in
Cavitation, and cause damage to Pump. To avoid this problem, Eccentric Reducer with
Flat Side Up (FSU)is used in Pump Suction.

 

Go to following link and download the file

http://tinyurl.com/cws2fj

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