| 1. | The process of producing a flat seat for a bolt head at the opening of a drilled hole ? | |
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spot facing
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boring
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counter boring
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counter-shinking
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Report Question| 2. | The cutting speed of a milling cutter is 35m/min. Find the diameter of cutter if rpm is 400 ? | |
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40 mm
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44 mm
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35 mm
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22 mm
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| 3. | Which among the following machinery operation a tool is pushed or pulled through a hole are surface ? | |
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sapping
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milling
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slotting
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broaching
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| 4. | Which one of the following operation is done by same tool ? | |
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reaming and taping
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facing and drilling
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counter boring and spot facing
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none of the above
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| 5. | Select the spindle speed (rpm) for HSS drill diameter +24 mm and cutting speed (v) 30m/min to drill mild steel ? | |
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300 rpm
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400 rpm
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500 rpm
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600 rpm
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| 6. | What is the speed of drill in RPM, to drill 14 mm hole when the cutting speed is 33 m/min ? | |
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850
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700
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750
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800
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| 7. | An operation performed for enlarging an existing jole up to only a limited length from its one end ? | |
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counter sinking
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counter boring
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spot facing
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boring
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| 8. | Rough & finish boring operations are carried out to machine a hole in a milling machine, for rough boring, select ______________ ? | |
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High spindle speed & coarse feed
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Slow spindle speed & coarse feed
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Slow spindle speed & fine feed
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High spindle speed & fine feed
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| 9. | The cutting tool in a milling machine is mounted on ______________ ? | |
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Arbor
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Column
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Spindle
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Knee
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| 10. | Calculate rpm to drill a hole of 10mm diameter with cutting speed of 33m/min ? | |
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300
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330
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1000
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1050
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