If the thickness of the wall of the cylindrical vessel is less than ________ of its internal diameter, the cylindrical vessel is known as a thin cylinder.

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JKSSB JE CE 2021 Official Paper Shift 2 (Held on 29 Oct 2021)
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  1. \(\frac{1}{4}\)
  2. \(\frac{1}{10}\)
  3. \(\frac{1}{15}\)
  4. \(\frac{1}{20}\)

Answer (Detailed Solution Below)

Option 4 : \(\frac{1}{20}\)
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Detailed Solution

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Explanation:

If the thickness of the wall of the cylinder vessel is less than \(\frac{1}{{15}}\;to\frac{1}{{20}}\) its internal diameter, the cylinder vessel is known as a thin cylinder.

 \(\frac{t}{d} \le\frac{1}{20}\) Thin-walled cylinder
\(\frac{t}{d} > \frac{1}{20}\) Thick-walled cylinder

Where,

is the internal diameter of the cylinder.

t is the thickness of the wall of the cylinder

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