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From design point of view, spherical pressure vessels are preferred over cylindrical pressure vessels because they

  • a)
    Are cost effective in fabrication

  • b)
    Have uniform higher circumferential stress

  • c)
    Have a larger volume for the same quantity of material used

  • d)
    Uniform lower circumferential stress

Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
From design point of view, spherical pressure vessels are preferred ov...
Explanation:

Spherical pressure vessels are preferred over cylindrical pressure vessels due to the following reasons:

1. Larger Volume: Spherical pressure vessels offer a larger volume for the same amount of material used. This is because the sphere has the largest volume-to-surface area ratio of any shape. Therefore, it requires less material to contain a given pressure than a cylinder of the same diameter and length.

2. Uniform Stress Distribution: In a spherical pressure vessel, the stress is uniformly distributed throughout the surface. This is because the stress is acting equally in all directions. In a cylindrical pressure vessel, the stress is concentrated at the two ends of the cylinder, resulting in higher stress levels at those points. This can lead to stress corrosion cracking and other types of failure.

3. Better Resistance to External Pressure: Spherical pressure vessels have better resistance to external pressure than cylindrical pressure vessels. This is because the spherical shape distributes the external pressure evenly over the entire surface of the vessel. In a cylindrical pressure vessel, the pressure is concentrated at the ends, making it more susceptible to external pressure.

4. Cost Effective: Spherical pressure vessels are cost-effective in terms of fabrication. Spheres are easy to manufacture compared to cylindrical pressure vessels, which have more complex shapes and require more welding.

Therefore, from a design point of view, spherical pressure vessels are preferred over cylindrical pressure vessels due to their larger volume, uniform stress distribution, better resistance to external pressure, and cost-effectiveness in fabrication.
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Community Answer
From design point of view, spherical pressure vessels are preferred ov...
Because for same surface area the volume the spherical vessels can hold is greater than the cylindrical vessels as the material cost is the prime concern so reducing the material used is an important factor so spherical pressure vessels are preferred
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From design point of view, spherical pressure vessels are preferred over cylindrical pressure vessels because theya)Are cost effective in fabricationb)Have uniform higher circumferential stressc)Have a larger volume for the same quantity of material usedd)Uniform lower circumferential stressCorrect answer is option 'D'. Can you explain this answer?
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