Sree's Metal Cutting - Unit 2 - Day 5.1 - Grinding

An _________ is a small, hard particle having sharp edges and an irregular shape used for finishing process.

• Carbide tips

• Diamond

• Abrasive

• Ceramics

An example of super abrasive.............

• Cubic Boron Nitride

• Aluminium Oxide

• Carbon Boron Nitride

• Silicon Carbide

An example of natural abrasive.............

• Cubic Boron Nitride

• Aluminium Oxide

• Carbon Boron Nitride

• Garnet

An example of artificial abrasive.............

• Diamond

• Emery

• Seeded Gel

• Garnet

(a)   is the ability of abrasive grains to fracture into smaller pieces, essential to maintaining the sharpness of the abrasive during use.

Size of abrasive grain measured by (a)   number

Pick the odd man out: Characteristics of grits.

• Elasticity

• Hot Hardness

• Wear resistance

• Chemical Stability

One of the defects in grinding process.

• Dear Flat

• Tear Flat

• Wear Flat

• Corrosive Wear

In grinding, glowing hot chips are called as_________

• Grits

• Chips

• Arcs

• Sparks

Pick the odd man out: Problems in Grinding process

• Burning

• Tempering

• Heat Checking

• Annealing