| 1. | A wood-ruff key is ? | |
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a tapered key with head at one end
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fitted in pairs at right angles
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capable of tilting in a recess milled out in the shaft
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all of the above
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Report Question| 2. | A key made from a cylindrical disc having segmental cross-section, is known as ? | |
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feather key
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gib-head key
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wood ruff key
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flat saddle key
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| 3. | The bending stress in a curved beam is ? | |
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zero at the centroidal axis
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zero at the point other than centroidal axis
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maximum at the neutral axis
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none of these
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| 4. | A pressure vessel is said to be a thick shell, if the ratio of wall thickness to its diameter is ? | |
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equal to 1/10
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less than 1/10
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greater than 1/10
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none of these
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| 5. | In designing thick cylinders, the equation used is ? | |
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Lame's equation
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Birnie's equation
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Clavarinos' equation
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all of these
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| 6. | The number of slots in a 25 m castle nut is ? | |
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2
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4
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6
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8
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| 7. | The most important dimension in the design of a nut is ? | |
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pitch diameter
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inside diameter
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outside diameter
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height
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| 8. | A transmission shaft includes ? | |
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counter shaft
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line shaft
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over head shaft
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all of these
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| 9. | In the assembly of pulley, key and shaft ? | |
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pulley is made the weakest
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key is made the weakest
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key is made the stongest
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all the three are designed for equal strength
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| 10. | A hollow saddle key is ? | |
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a taper key which fits half in the key way of hub and half in the key way of shaft
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a taper key which fits in a key way of the hub and is flat on the shaft
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a taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft
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provided in pairs at right angles and each key is to withstand torsion in one direction only
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