Answer / p s dhakare

Following standard used in piping AWS, ANSI, AISI, AWWI,
ASME, ASTM etc.

A simple problem involing in hoops stress. For sphere: M= [3/2]*p*V*[density of pressure vessel material/Maximum working stress it can tolerate] For Thin walled pressure walls: Hoops stress or stress in the radial direction =p*r/2t ?

0 Answers   Bhel, JPMorgan Chase,

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what is the use of vacuum balancing valve in CEP

0 Answers   NTPC,

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Which pump is better : a) with Less NPSHr or b) with more NPSHr

3 Answers  

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If any machinery or transmission needs periodic and regular lubrication what is the best method to give it?

2 Answers   Focus Energy, Tech Mahindra,

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Purpose of lubricator in a large diesel engine.

1 Answers  

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What is difference between Centrifugal and Recifrocating compressor.

10 Answers  

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In 1983 what changed about the length of the meter?

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What is bauschinger effect ?

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What are the things to do when approaching the port?

0 Answers   RRB,

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How engine design needs to be changed to burn lean mixture ?

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Arrange the efficiency of the engine in decreasing order Otto, Diesel, dual

22 Answers   NTPC,

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alignment formulae for any two shafts for shim correction

0 Answers   Telcon,

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