| 1. | In a single spur gear drive, the speed of driver gear having 24 teeth is 800 rpm. Find the speed of driven gear having 60 teeth ? | |
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20 rpm
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320 rpm
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640 rpm
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1280 rpm
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Report Question| 2. | A gear wheel bus36 teeth and 3 mm module, its pitch diameter is ? | |
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13 mm
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75 mm
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80 mm
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108 mm
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| 3. | if m=module of the gear, t=number of teeth, d=pitch circle diameter, then which of the following relation is the correct ? | |
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m=t/d
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m=d/t
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d=m/t
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t=m/d
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| 4. | Which one of the following coupling has yoke on each shaft ? | |
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Fluid coupling
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ragid coupling
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universal coupling
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normal coupling
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| 5. | In a gear, the addition of addendum and dedendum is equal to ? | |
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normal depth
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whole depth
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working depth
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flank depth
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| 6. | Which pulley is used to get different speed ratio ? | |
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split pulley
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step pulley
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jockey pulley
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solid pulley
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| 7. | The diameter of driver pulley is 30 cm and running at 400 rpm. If the driven pulley has to run at 120 rpm. What should be it's diameter ? | |
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80 cm
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100 cm
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110 cm
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160 cm
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| 8. | __ due to continuous rubbing of the belt on the surface pulley, the belt gets dried up due to friction and heat generated. This causes the belt to slip. Which of the following materials is applied on the inner face of the belt to reduce belt slip ? | |
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emery or corundum
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tallow or powder resin
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nylon or Teflon
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zinc or chalk powder
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