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Fluid Mechanics
Flow Through Pipes
GATE 2016
Easy

Standard pipes (schedule numbers) and tubes (BWG numbers) are available for a given nominal diameter. Which statement is TRUE regarding wall thickness?

  • AWall thickness increases with increase in both the schedule number and the BWG number
  • Wall thickness increases with increase in the schedule number and decreases with increase in the BWG number
  • CWall thickness decreases with increase in both the schedule number and the BWG number
  • DNeither the schedule number nor the BWG number has any relation to wall thickness

Explanation

Higher schedule number means thicker pipe wall, but higher BWG (gauge) number means THINNER tube wall — an inverse relationship, like most wire/gauge systems.

Source: GATE CH 2016 (2016)

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