MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Kinematics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
When the tip of a tooth undercuts the root on its mating gear, it is known as interference. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
In full depth 140 involute system, the smallest number of teeth in a pinion which meshes with rack without interference is |
| A. | 12 |
| B. | 16 |
| C. | 25 |
| D. | 32 |
| Answer» E. | |
| 3. |
THE_CENTRE_DISTANCE_BETWEEN_TWO_MESHING_INVOLUTE_GEARS_IS_EQUAL_TO?$ |
| A. | sum of base circle radii/cos…∏ |
| B. | difference of base circle radii/cos…∏ |
| C. | sum of pitch circle radii/cos…∏ |
| D. | difference of pitch circle radii/cos…∏ |
| Answer» B. difference of base circle radii/cos‚Äö√Ѭ∂‚Äö√†√® | |
| 4. |
When_the_tip_of_a_tooth_undercuts_the_root_on_its_mating_gear,_it_is_known_as_interference.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
In a gear having involute teeth, the normal to the involute is a tangent to th? |
| A. | pitch circle |
| B. | base circle |
| C. | addendum circle |
| D. | dedendum circle |
| Answer» C. addendum circle | |
| 6. |
Which of the following statement is correct for gears? |
| A. | The addendum is less than the dedendum |
| B. | The pitch circle diameter is the product of module and number of teeth |
| C. | The contact ratio means the number of pairs of teeth in contact |
| D. | All of the mentioned |
| Answer» E. | |
| 7. |
For an involute gear, the ratio of base circle radius and pitch circle radius is equal to |
| A. | sin…∏ |
| B. | cos…∏ |
| C. | sec…∏ |
| D. | cosec…∏ |
| Answer» C. sec‚Äö√Ѭ∂‚Äö√†√® | |
| 8. |
The contact ratio is given by |
| A. | Length of the path of approach/Circular pitch |
| B. | Length of the path of recess/Circular pitch |
| C. | Length of the arc of contact/Circular pitch |
| D. | Length of the arc of approach/cos…∏ |
| Answer» D. Length of the arc of approach/cos‚Äö√Ѭ∂‚Äö√†√® | |
| 9. |
The pressure angle for involute gears depends upon the size of teeth. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
In full depth 140 involute system, the smallest number of teeth in a pinion which meshes with rack without interference is |
| A. | 12 |
| B. | 16 |
| C. | 25 |
| D. | 32 |
| Answer» E. | |
| 11. |
In involute gears, the pressure angle is |
| A. | dependent on the size of teeth |
| B. | dependent on the size of gears |
| C. | always constant |
| D. | always variable |
| Answer» D. always variable | |
| 12. |
The velocity of sliding _____________ the distance of the point of contact from the pitch point. |
| A. | is directly proportional to |
| B. | is inversaly proportional to |
| C. | is equal to cos…∏ multiplied by |
| D. | does not depend upon |
| Answer» B. is inversaly proportional to | |