| 1. | The angle on which the strength of the tool depends is ? | |
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rake angle
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cutting angle
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clearance angle
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lip angle
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Report Question| 2. | A twist drill is a ? | |
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side cutting tool
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front cutting tool
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end cutting tool
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none of these
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| 3. | The chuck used for setting up of heavy and irregular shaped work should be ? | |
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four jaw independent chuck
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three jaw universal chuck
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magnetic chuck
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drill chuck
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| 4. | In machining metals, chips break due to ............ of work material ? | |
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toughness
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ductility
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elasticity
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work hardening
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| 5. | The tool made of cemented carbide wear out faster at ? | |
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slow speeds
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medium speeds
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fast speeds
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very fast speeds
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| 6. | The tool life is affected by ? | |
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depth of cut
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cutting speed
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feed
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all of these
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| 7. | In which of the following machine, the work remains stationary and the tool is rotated ? | |
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Vertical boring machine
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Horizontal boring machine
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Precision boring machine
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Jig boring machine
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| 8. | The drill spindles are provided with standard taper known as ? | |
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Morse taper
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Seller's taper
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Chapman taper
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Brown and Sharpe taper
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| 9. | The lip clearance angle is the angle formed by the ? | |
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leading edge of the land with a plane having the axis of the drill
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flank and a plane at right angles to the drill axis
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chisel edge and the lip as viewed from the end of a drill
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none of the above
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| 10. | Crater wear leads to ? | |
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increase in cutting temperature
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weakening of tool
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friction and cutting forces
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all of these
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