| 1. | Worm and worm gear are used to transmit power between ? | |
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parallel shaft which are at close distance to each other
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parallel shaft which are at significant distance from each other
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two non-intersecting shaft generally at right angle to each other
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two non-intersecting shaft generally at acute angle to each other
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Report Question| 2. | The silent chain is also know as ? | |
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leaf chain
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block chain
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inverted tooth chain
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roller chain
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| 3. | The primary function of the cam is to convert ______ ? | |
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Reciprocating motion into rotary motion
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Rotary motion into reciprocating motion
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Up and down motion into linear motion
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Linear motion to angular motion
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| 4. | Indexing head mechanisms work with ________ ? | |
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helical gear
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spur gear
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bevel gear
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worm & worm gear
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| 5. | A tumbler gear unit is consist of ______ ? | |
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4 gear
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3 gear
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2 gear
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1 gear
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| 6. | The redial distance between the pitch circle and the tip circle is called ________ ? | |
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addendum
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dedendum
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working depth of teeth
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whole depth of teeth
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| 7. | With worm-and-gear sets very high gear ratio can be obtained. It can as high as ? | |
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10:1
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50:1
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100:1
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500:1
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| 8. | In a belt drive, the outer surface of the pulley is made in convex from. Which one of the following statements is not true about this convex surface ? | |
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it is called crown
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it keeps the belt in the centre when it is in movement
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the it causes excessive belt were
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it prevents the belt from slipping from the edge of the pulley
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| 9. | Which one of the following statements is not true about coupling ? | |
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it connects two in-line shafts
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it can be rigid or flexible
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it drives driving and driven shaft at same speed
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it can engage and disengage driving and driven shafts as a normal operation
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| 10. | Distance between two teeth of a gear is called ? | |
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addendum
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module
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pitch
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lead
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