| 1. | The process of precision grinding of part with loose dust type abrasive is know as ________ ? | |
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honing
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polishing
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buffing
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lapping
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Report Question| 2. | The depth of infeed per pass in dressing a grinding wheel should be not more than ? | |
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0.25 mm
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0.025 mm
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0.0025 mm
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0.00025 mm
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| 3. | The symbol conventionally used for rubber bond is ? | |
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'V'
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'E'
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'R'
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'B'
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| 4. | The grain size of a grinding wheel is indicated by number. Which range of grain size is refer to as "very fine" ? | |
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10-24
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30-60
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80-180
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220-600
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| 5. | Which bonding material is used for fine finish grinding ? | |
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vitrified bond-v
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shellac bond-e
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resinoid bond-b
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rubber bond-r
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| 6. | The abrasive letter D in a grinding wheel indicates the ? | |
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Diamond
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Cubic boron nitride
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Aluminium oxide
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Silicon carbide
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| 7. | A designation of a grinding wheel, 51 A 36 L 5 V 23 the latter 'V' stand for ? | |
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types of bond
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types of structure
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type of grade
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grain size
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| 8. | What type of bond is used in high speed grinding wheel ? | |
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rubber bond
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shellac bond
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resinoid bond
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vitrified bond
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| 9. | Which of the following parameters influence the axial feed rate in centreless grinding ? | |
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Speed of the regulating wheel
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Regulating wheel diameter
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Angle between the axes of grinding and regulating wheels
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all of these
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| 10. | Which one of the following bonds is most commonly is used for grinding wheel ? | |
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'V'
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'E'
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'S'
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'R'
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