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A metal pipe of 1 m diameter contains a fluid having a pressure of 1 N/mm2. If the permissible tensile stress in the metal is 20 N/mm2, then the thickness of the metal required for making the pipe will be

A. 5 mm

B. 10 mm

C. 15 mm

D. 25 mm

Answer: Option D


This Question Belongs to Mechanical Engineering >> Machine Design

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Comments ( 4 )

  1. Vamshi 20-0303
    Vamshi 20-0303 :
    3 years ago

    Given data:diameter=1m=1000mm
    Tensile stress ∆=20N/mm^2
    Thickness=?
    Pressure, p=1N/mm^2
    Formula using, ∆=pd/2t
    20=1*1000/2*t
    Using simplification, Thickness=25mm

  2. Sarveshwer Chandra
    Sarveshwer Chandra :
    3 years ago

    hoop stress = pd/2t.

  3. Ajaj Alam
    Ajaj Alam :
    4 years ago

    12.5 should be answer

  4. Prince Sabhaya
    Prince Sabhaya :
    4 years ago

    Stress= pd/2t

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