Mechanical Engineering : Theory Of Machines QUESTIONS AND ANSWERS :: part5 : 16 to 20
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
16.In a shape mechanism, the Corioli's component of acceleration will |
| not exist |
| exist |
| depend on position of crank |
| unpredictable |
| none of the above. |
17.Which is the false statement about the properties of instantaneous center |
| at the instantaneous center of rotation, one rigid link rotates instantaneously relative to another for the configuration of mechanism considered |
| the two rigid links have no linear velocities relative to each other at the instantaneous center |
| the two rigid links which have no linear velocity relative to each other at this center have the same linear velocity to the third rigid link |
| the double center can be denoted either by 02\ or Ol2, but proper selection should be made |
| none of the above. |
18.The magnitude of tangential acceleration is equal to |
| velocity2 x crank radius |
| velocity vcrankradius |
| (velocity/crankradius) |
| velocity x crank radius2 |
| none of the above. |
19.In a rigid link OA, velocity of A w.r.t. will be |
| parallel to OA |
| perpendicular to OA |
| at 45� to OA |
| along AO |
| along OA. |
20.The direction of Corioli's component of acceleration is the direction |
| of relative velocity vector for the two coincident points rotated by 90� in the direction of the angular velocity of the rotation of the link |
| along the centripetal acceleration |
| along tangential acceleration |
| along perpendicular to angular velocity |
| none of the above. |
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