ASSEMBLY - Quiz

1) Which abrasive is used for lapping dies and gauges?

Boron carbide Silicon carbid Diamond Aluminium oxide

2) Which is the hardest of all abrasive material and used for lapping tungsten carbide?

Silicon carbide Boron carbide Diamond Aluminium oxide

3) What is the abrasive used for lapping accurately finishing very small holes?

Silicon carbide Diamond Boron carbide Aluminium oxide

4) What is the purpose of lapping vehicles?

Regulate cutting action and lubricate surface Medium effective operation Decrease dimensional accuracy Decrease cutting ability

5) Which lapping vehicle is used for lapping copper and its alloys?

Vegetable oil Machine oil Soluble oil Petroleum jelly