| 1. | An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called ? | |
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addendum circle
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dedendum circle
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pitch circle
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clearance circle
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Report Question| 2. | The gear train usually employed in clocks is a ? | |
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simple gear train
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reverted gear train
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sun and planet gear
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differential gear
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| 3. | In a multiple V-belt drive, if one of the belt is broken, then we should replace ? | |
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the broken belt only
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all the belts
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the broken belt and the belts on either side of it
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none of the above
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| 4. | Which of the following statement is correct for gears ? | |
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The addendum is less than the dedendum
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The pitch circle diameter is the product of module and number of teeth
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The contact ratio means the number of pairs of teeth in contact
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all of the above
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| 5. | An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be an interference between the ? | |
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tip of the gear tooth and flank of pinion
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tip of the pinion and flank of gear
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flanks of both gear and pinion
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tip of both gear and pinion
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| 6. | In order to double the period of a simple pendulum, the length of the string should be ? | |
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halved
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doubled
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quadrupled
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none of these
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| 7. | In a four bar chain or quadric cycle chain ? | |
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each of the four pairs is a turning pair
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one is a turning pair and three are sliding pairs
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two are turning pairs and two are sliding pairs
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three are turning pairs and one is a sliding pair
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| 8. | The component of the acceleration, perpendicular to the velocity of the particle, at the given instant is called ? | |
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radial component
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tangential component
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coriolis component
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none of these
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| 9. | In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set to ? | |
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reduce vibration
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reduce slip
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ensure uniform loading
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ensure proper alignment
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| 10. | The velocity of sliding ................ the distance of the point of contact from the pitch point ? | |
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is directly proportional to
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is inversely proportional to
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is equal to cos ? multiplied by
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does not depend upon
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