Mechanical Engineering McqsTheory of Machines 100+ MCQ & Answer Theory Of Machines | page-09 |Mechanical Engineering MCQ And Answer January 27, 2025 DSN MARATHI 81. In above example, the minimum length of the coupler will be A. 45 mm B. slightly less than 45 mm C. slightly more than 45 mm D. 95 mm Answer Option : C 82. In S.H.M., acceleration is proportional to A. velocity B. displacement C. rate of change of velocity D. all of the above Answer Option : B 83. For simple harmonic motion of the of follower, a cosine curve represents A. displacement diagram B. velocity diagram C. acceleration diagram D. all of the above Answer Option : C 84. A body having moment of inertia o:m2 is rotating at 210 RPM and r with another body at rest having I 40 kg m2. The resultant speed after ing will be A. 90 RPM B. 100 RPM C. 80 RPM D. data are insufficient Answer Option : A 85. The frequency of oscillation at compared to earth will be A. 6 times more B. 6 times less C. 2.44 times more D. 2.44 times,less Answer Option : D 86. Polar moment of inertia (IP) of ac disc is to ht determined by suspen by a wire and noting the frequei oscillations (/) A. Ipocf B. Ip oc j C. Ipoc- D. none of the above. Answer Option : B 87. If the radius of gyration of a compound pendulum about an axis through e.g. is more, then its frequency of oscillation A. less B. more C. same D. data are insufficient to determine same Answer Option : A 88. Which is the false statement about the properties of instantaneous centre A. at the instantaneous center of rotation, one rigid link rotates instantaneously relative to another for the configuration of mechanism considered B. the two rigid links have no linear velocities relative to each other at the instantaneous centre C. 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 D. the double centre can be denoted either by 02 or Ol2, but proper selection should be made Answer Option : D 89. Instantaneous center of rotation of a link in a four bar mechanism lies on A. right side pivot of this link B. lift side pivot of this link C. a point obtained by intersection on extending adjoining links D. can’t occur Answer Option : C 90. The number of links and instantaneous centers in a reciprocating engine mechanism are A. 4, 4 B. 4, 5 C. 5, 4 D. 4, 6 Answer Option : D
81. In above example, the minimum length of the coupler will be A. 45 mm B. slightly less than 45 mm C. slightly more than 45 mm D. 95 mm Answer Option : C
82. In S.H.M., acceleration is proportional to A. velocity B. displacement C. rate of change of velocity D. all of the above Answer Option : B
83. For simple harmonic motion of the of follower, a cosine curve represents A. displacement diagram B. velocity diagram C. acceleration diagram D. all of the above Answer Option : C
84. A body having moment of inertia o:m2 is rotating at 210 RPM and r with another body at rest having I 40 kg m2. The resultant speed after ing will be A. 90 RPM B. 100 RPM C. 80 RPM D. data are insufficient Answer Option : A
85. The frequency of oscillation at compared to earth will be A. 6 times more B. 6 times less C. 2.44 times more D. 2.44 times,less Answer Option : D
86. Polar moment of inertia (IP) of ac disc is to ht determined by suspen by a wire and noting the frequei oscillations (/) A. Ipocf B. Ip oc j C. Ipoc- D. none of the above. Answer Option : B
87. If the radius of gyration of a compound pendulum about an axis through e.g. is more, then its frequency of oscillation A. less B. more C. same D. data are insufficient to determine same Answer Option : A
88. Which is the false statement about the properties of instantaneous centre A. at the instantaneous center of rotation, one rigid link rotates instantaneously relative to another for the configuration of mechanism considered B. the two rigid links have no linear velocities relative to each other at the instantaneous centre C. 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 D. the double centre can be denoted either by 02 or Ol2, but proper selection should be made Answer Option : D
89. Instantaneous center of rotation of a link in a four bar mechanism lies on A. right side pivot of this link B. lift side pivot of this link C. a point obtained by intersection on extending adjoining links D. can’t occur Answer Option : C
90. The number of links and instantaneous centers in a reciprocating engine mechanism are A. 4, 4 B. 4, 5 C. 5, 4 D. 4, 6 Answer Option : D
