Mechanical Engineering Exam > Mechanical Engineering Questions > When a cylinder is located in a Vee-block, th...
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When a cylinder is located in a Vee-block, then number
of degrees of freedom which are arrested is
a)2
b)4
c)7
d)8
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
When a cylinder is located in a Vee-block, then numberof degrees of fr...
The answer is b.
Number of degrees of freedom = 2 & movability includes the six degrees of freedom of the device as a whole, as the ground link were not fixed. So, 4 degrees of freedom are constrained or arrested.
This question is part of UPSC exam. View all Mechanical Engineering courses
Most Upvoted Answer
When a cylinder is located in a Vee-block, then numberof degrees of fr...
Explanation:
When a cylinder is located in a Vee-block, some of its degrees of freedom are arrested. The number of degrees of freedom that are arrested are as follows:
1. Translation along X-axis: The cylinder is prevented from moving left or right along the X-axis by the Vee-blocks.
2. Translation along Y-axis: The cylinder is prevented from moving up or down along the Y-axis by the Vee-blocks.
3. Translation along Z-axis: The cylinder is still free to move along the Z-axis.
4. Rotation about X-axis: The cylinder is still free to rotate about the X-axis.
5. Rotation about Y-axis: The cylinder is prevented from rotating about the Y-axis by the Vee-blocks.
6. Rotation about Z-axis: The cylinder is still free to rotate about the Z-axis.
7. Lateral translation: The cylinder is prevented from moving laterally by the Vee-blocks.
8. Torsion: The cylinder is still free to undergo torsional deformation.
Therefore, the number of degrees of freedom arrested is 4, namely translation along X and Y axes, rotation about Y-axis, and lateral translation, making option B the correct answer.
When a cylinder is located in a Vee-block, some of its degrees of freedom are arrested. The number of degrees of freedom that are arrested are as follows:
1. Translation along X-axis: The cylinder is prevented from moving left or right along the X-axis by the Vee-blocks.
2. Translation along Y-axis: The cylinder is prevented from moving up or down along the Y-axis by the Vee-blocks.
3. Translation along Z-axis: The cylinder is still free to move along the Z-axis.
4. Rotation about X-axis: The cylinder is still free to rotate about the X-axis.
5. Rotation about Y-axis: The cylinder is prevented from rotating about the Y-axis by the Vee-blocks.
6. Rotation about Z-axis: The cylinder is still free to rotate about the Z-axis.
7. Lateral translation: The cylinder is prevented from moving laterally by the Vee-blocks.
8. Torsion: The cylinder is still free to undergo torsional deformation.
Therefore, the number of degrees of freedom arrested is 4, namely translation along X and Y axes, rotation about Y-axis, and lateral translation, making option B the correct answer.
Community Answer
When a cylinder is located in a Vee-block, then numberof degrees of fr...
suppose a cylinder is put in a v block with its axis along z direction ...... arrested dof : 2 translation in X directions 1 translation in -ve y direction 2 rotations along X axis 2 rotations along y axis total arrested dof = 7
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When a cylinder is located in a Vee-block, then numberof degrees of freedom which are arrested isa)2b)4c)7d)8Correct answer is option 'B'. Can you explain this answer?
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