61. |
Ball bearings are, usually, made from
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Answer:
Option (d) |
62. |
The purpose of lubrication in an antifriction bearing is
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Answer:
Option (d) |
63. |
_________is suitable as a lubricant for low and moderate loads applications of rolling contact bearing.
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Answer:
Option (a) |
64. |
_________is suitable as a lubricant for heavy-duty applications of rolling contact bearing.
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Answer:
Option (b) |