MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Kinematics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A vehicle suspension system consists of a spring and a damper. The stiffness of the spring is 3.6 kN/m and the damping constant of the damper is 400 Ns/m. If the mass is 50 kg, then the damping factor (d ) and damped natural frequency (fn), respectively, are |
| A. | 0.471 and 1.19 Hz |
| B. | 0.471 and 7.48 Hz |
| C. | 0.666 and 1.35 Hz |
| D. | 0.666 and 8.50 Hz |
| Answer» B. 0.471 and 7.48 Hz | |
| 2. |
The natural frequency of a spring-mass system on earth is ωn. The natural frequency of this system on the moon (gmoon =gearth/6) is |
| A. | ωn |
| B. | 0.408ωn |
| C. | 0.204ωn |
| D. | 0.167ωn |
| Answer» B. 0.408ωn | |
| 3. |
The Bifilar suspension method is used to determine |
| A. | natural frequency of vibration |
| B. | position of balancing weights |
| C. | moment of inertia |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 4. |
Polar moment of inertia(IP) of a circular disc is to be determined by suspending it by a wire and noting the frequency of oscillations(f) |
| A. | IP ∞ f |
| B. | IP ∞ f2 |
| C. | IP ∞ 1/f2 |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 5. |
A body having moment of inertia of 30 kg m2 is rotating at 210 RPM and mashes with another body at rest having M.I. of 40 kg m2. The resultant speed after meshing will be |
| A. | 90 RPM |
| B. | 100 RPM |
| C. | 80 RPM |
| D. | none of the mentioned |
| Answer» B. 100 RPM | |