| 1. | The material which on machining produces chips with built up edge is ? | |
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brittle material
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tough material
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hard material
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ductile material
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Report Question| 2. | The size of a lathe is specified by the ? | |
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length between centres
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swing diameter over the bed
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swing diameter over the carriage
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all of these
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| 3. | The tap used to cut threads in a blind hole is ? | |
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taper tap
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second tap
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bottoming tap
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any one of these
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| 4. | As the cutting speed increases, the tool cutting forces ? | |
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remain constant
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increases
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decreases
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first increases and then decreases
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| 5. | When the shear angle is small ? | |
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path of shear is short and chip is thin
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path of shear is large and chip is thick
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path of shear is short and chip is thick
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path of shear is large and chip is thin
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| 6. | The taper on the lathe spindle is ? | |
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1 in 10
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1 in 15
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1 in 20
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1 in 30
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| 7. | High speed steel drills can be operated at about................ the speed of high carbon steel drills ? | |
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one-half
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one-fourth
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double
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four times
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| 8. | For turning internal tapers, the suitable method is ? | |
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by a form tool
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by setting over the tail stock
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by a taper turning attachment
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by swivelling the compound rest
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| 9. | The grooving is an operation of ? | |
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bevelling the extreme end of a workpiece
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embossing a diamond shaped pattern on the surface of a workpiece
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reducing the diameter of a workpiece over a very narrow surface
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enlarging the end of a hole cylindrically
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| 10. | The factor considered for evaluation of machinability is ? | |
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cutting forces and power consumption
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tool life
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type of chips and shear angle
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all of these
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