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71
Which type of motor is not used in axis or spindle drives of CNC machine tools?
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Answer: Option C
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72
In a metal arc welding process, a gas metal arc welding with magnetized flux is used and can be done in all the positions i.e. flat position, vertical position or inclined position.
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Answer: Option C
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73
The maximum possible draft in cold rolling of sheet increases with the
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Answer: Option A
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74
Allowance in limits and fits refers to
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Answer: Option B
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75
The purpose of jigs and fixtures is to
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Answer: Option D
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76
Which of the following process is used for preparing parts having large curved surfaces and thin sections?
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Answer: Option D
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77
The work or surface speed for cylindrical grinding varies from
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Answer: Option C
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78
The operation of machining several surfaces of a workpiece simultaneously is called
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Answer: Option B
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79
Two plates of the same metal having equal thickness are to be butt welded with electric arc. When the plate thickness changes, welding is achieved by
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Answer: Option C
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80
Down milling is also called
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Answer: Option B
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