MANUFACTURING AND PRODUCTION TECHNOLOGY QUIZ

Slow speed of the spindle is necessary in

Thread cutting

Turning a work of larger diameter

Turning a hard or tough material

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Shrinkage allowance on pattern is provided to compensate for shrinkage when

The metal changes from liquid to solid state at freezing temperature

The temperature of liquid metal drops from pouring to freezing temperature

The temperature of solid phase drops from freezing to room temperature

The temperature of metal drops from pouring to room temperature

TRUE ANSWER : ?
YOUR ANSWER : ?

A taper tap has

Full threads for the whole of its length

Its end tapered for about three or four threads

Its end tapered for about eight or ten threads

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following statement is incorrect with reference of lathe cutting tools?

The nose is the corner, arc or chamfer joining the side cutting and the end cutting edges

The heel is that part of the tool which is shaped to produce the cutting edges and face

The base is that surface of the shank which bears against the support and takes tangent pressure of the cut

The flank of the tool is the surface or surfaces below and adjacent to the cutting edges

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following arc welding processes does not use consumable electrodes?

Submerged Arc Welding

GMAW

GTAW

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The material which on machining produces chips with built up edge is

Ductile material

Tough material

Hard material

Brittle material

TRUE ANSWER : ?
YOUR ANSWER : ?

In order to obtain a surface finish in the range of 0.75 μm to 1.25 μm , the operation used is called.

Grinding

Lapping

Honing

Buffing

TRUE ANSWER : ?
YOUR ANSWER : ?

In electrochemical machining, the gap between the tool and work is kept as

0.35 mm

0.1 mm

0.75 mm

0.4 mm

TRUE ANSWER : ?
YOUR ANSWER : ?

A twist drill is a

Front cutting tool

None of these

Side cutting tool

End cutting tool

TRUE ANSWER : ?
YOUR ANSWER : ?

In metal machining, the zone where the heat is generated due to friction between the moving chip and the tool face, is called

Shear zone

Work-tool contact zone

None of these

Friction zone

TRUE ANSWER : ?
YOUR ANSWER : ?