MANUFACTURING AND PRODUCTION TECHNOLOGY QUIZ

The addition of lead, sulphur and phosphorus to low carbon steels, help to

All of these

Improve machinability

Break up chips

Reduce built up edge

TRUE ANSWER : ?
YOUR ANSWER : ?

Lathe bed is made of

Mild steel

Pig iron

Alloy steel

Chilled cast iron

TRUE ANSWER : ?
YOUR ANSWER : ?

In metal machining, the zone where the maximum heat is generated due to the plastic deformation of metal, is called

Work-tool contact zone

Shear zone

Friction zone

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

In electro discharge machining, tool is made of

Copper

Brass

All of these

Copper tungsten alloy

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following statement is correct regarding grinding of high carbon steel?

All of these

Aluminium oxide wheels are employed.

The grinding wheel has to be of open structure.

Grinding at high speed results in the reduction of chip thickness and cutting forces per grit.

TRUE ANSWER : ?
YOUR ANSWER : ?

Internal gear cutting operation can be performed by

Shaping with rack cutter

Hobbing

Shaping with pinion cutter

Milling

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following process is used for preparing parts having large curved surfaces and thin sections?

Ultrasonic machining

Chemical milling

Hot machining

ECM process

TRUE ANSWER : ?
YOUR ANSWER : ?

For generating a Coon’s surface we require

Two bounding curves and a set of grid control points

A set of grid control points

Four bounding curves defining the surface

A set of grid points on the surface

TRUE ANSWER : ?
YOUR ANSWER : ?

The width of cutting edge of a parting off tool varies from

5 to 20 mm

3 to 12 mm

8 to 30 mm

15 to 40 mm

TRUE ANSWER : ?
YOUR ANSWER : ?

A taper tap has

None of these

Full threads for the whole of its length

Its end tapered for about eight or ten threads

Its end tapered for about three or four threads

TRUE ANSWER : ?
YOUR ANSWER : ?

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