Prayatna'24 - Dimensional Mastery

Grinding ratio is defined as

• Vol. of wheel wear / Vol. of material removed

• Vol. of material removed / Vol. of wheel wear

• Longitudinal feed / Transverse feed

• Cutting speed / feed

Binding material used in cemented carbide cutting tools is

• Graphite

• Tungsten

• Nickel

• Cobalt

What is a Glazed grinding wheel?

• Grains have become blunt but do not fall out

• It becomes black due to burning

• Part of the wheel is chipped

• None of the above

Among the processes given below, the highest specific energy is consumed by.

• Turning

• Drilling

• Milling

• Grinding

Internal gears are manufactured by

• Hobbing

• Shaping with pinion cutter

• Shaping with rack cutter milling

• Milling

If the bulk modulus and shear modulus are 1 and 2 respectively, what is the value of young's modulus of elasticity?

• 3

• 3.1

• 3.6

• 3.9

Abrasive material used in grinding wheel selected for grinding ferrous alloys is

• Silicon

• Diamond

• Aluminum oxide (Al₂O₃)

• Boron Carbide

High Hardness work pieces can be machined using _____.

• Lathe

• Milling Machine

• Drilling Machine

• Electric Discharge Machine

Tool life is estimated using

• VTⁿ = C

• (VT)ⁿ = C

• VⁿT = C

• VⁿTⁿ = C

Producing super finish on a flat surface is done through

• Honing

• Grinding

• Lapping

• Buffing