71. |
Volumetric strain of a sphere is
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Answer:
Option (a) |
72. |
Shear strain is generally defined in terms of
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Answer:
Option (a) |
73. |
If a thin walled hollow spherical ball is placed in a pressure chamber, the stress in its wall will be
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Answer:
Option (b) |
74. |
In a thin walled cylindrical pipe section having diameter 200mm and thickness 1mm, carries water at 5 N/mm2 pressure, hoop stress shall be
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Answer:
Option (a) |
75. |
In a thin walled cylindrical pipe section having radius 200mm and thickness 1mm, carries water at 5 N/mm2 pressure, longitudinal stress shall be
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Answer:
Option (b) |
76. |
A long closed cylindrical pressure vessel is made by joining different cylindrical parts using lap joint all along the periphery. The rivets shall be under
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Answer:
Option (c) |
77. |
A thin walled cylindrical pressure pipe is made by welding two semi circular parts along the length. Under working condition, the weld shall be under
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Answer:
Option (a) |
78. |
In a thin walled closed cylindrical pressure vessel, bending moment will be
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Answer:
Option (c) |
79. |
In all cylindrical pressure vessels, the ends are kept in form of hemisphere instead of circular plates. It is done to
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Answer:
Option (c) |
80. |
In a thin closed cylindrical pressure vessel, the ratio of hoop stress to longitudinal stress shall be
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Answer:
Option (b) |