MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Dynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the relation between overturning couple and balancing couple for the stability of vehicle? |
| A. | Independent of each other |
| B. | Overturning couple is greater |
| C. | Balancing couple is greater |
| D. | Equal to each other |
| Answer» E. | |
| 2. |
Which of the following is true regarding overturning couple? |
| A. | It is the sum of gyroscope couple and centrifugal couple |
| B. | It is the product of gyroscope couple and centrifugal couple |
| C. | It is the difference of gyroscope couple and centrifugal couple |
| D. | It is the ratio of gyroscope couple and centrifugal couple |
| Answer» B. It is the product of gyroscope couple and centrifugal couple | |
| 3. |
Balancing couple is given by _______ ( : angle of heel) |
| A. | m.g.h cos |
| B. | m.g.h sin |
| C. | m.g.h |
| D. | (m.v<sup>2</sup>).h/R |
| Answer» C. m.g.h | |
| 4. |
The centrifugal couple affects the stability of a two wheel vehicle taking a turn. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
The centrifugal couple s tendency is to overturn the vehicle. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
When is the positive sign used for the expression of gyroscopic couple? |
| A. | Centre of gravity is lower than the centre of vehicle |
| B. | When the engine is rotating in the opposite direction as that of wheels |
| C. | When the engine is rotating in the same direction as that of wheels |
| D. | Centre of gravity is higher than vehicle centre |
| Answer» D. Centre of gravity is higher than vehicle centre | |
| 7. |
Which of the following is correct regarding angle of heel? |
| A. | It is inclination of the vehicle to the vertical for equilibrium |
| B. | It is inclination of the vehicle to the horizontal for equilibrium |
| C. | It is the angle between the axis of gyroscope couple and horizontal |
| D. | It is the angle between the axis of spin couple and axis of precession |
| Answer» B. It is inclination of the vehicle to the horizontal for equilibrium | |
| 8. |
Which of the following quantity represent the gear ratio G for a 2 wheeler vehicle? (w: wheels, e: engine, R: radius of track, rw: radius of wheels & I: moment of inertia) |
| A. | w / e |
| B. | e / w |
| C. | rw/ R |
| D. | Ie/ Iw |
| Answer» C. rw/ R | |