MANUFACTURING AND PRODUCTION TECHNOLOGY QUIZ

Chip breakers are used to

Remove chips from bed

Break the chips into short segments

Increase tool life

To minimize heat generation

TRUE ANSWER : ?
YOUR ANSWER : ?

Side relief angle of a single point tool is the angle

Between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base

By which the face of the tool is inclined towards back

By which the face of the tool is inclined sideways

Between the surface of the flank immediately below the point and a plane at right angles to the centre line of the point of tool

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YOUR ANSWER : ?

Which of the following statement is correct for oblique cutting system?

The cutting edge is inclined at an angle less than 90° with the normal to the velocity of the tool

All of these

Frequently, more than one cutting edges are in action

The chip flows on the tool face at an angle less than 90° with the normal on the cutting edge

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The actual feed in centerless grinders is given by (where d = Dia. of regulating wheel, n = Revolutions per minute, and α = Angle of inclination of wheel)

πdn

πdn cosα

πdn sinα

πd

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YOUR ANSWER : ?

A bottoming tap has

Full threads for the whole of its length

Its end tapered for about three or four threads

None of these

Its end tapered for about eight or ten threads

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YOUR ANSWER : ?

The hard grade grinding wheels are denoted by the letters

Q to Z

I to P

A to H

A to P

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YOUR ANSWER : ?

The type of reamer used for reaming soft aluminium or copper, is

Left hand spiral fluted reamer

Any one of these

Straight fluted reamer

Right hand spiral fluted reamer

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YOUR ANSWER : ?

A CNC vertical milling machine has to cut a straight slot of 10 mm width and 2 mm depth by a cutter of 10 mm diameter between points (0,0) and (100,100) on the XY plane (dimensions in mm). The feed rate used for milling is 50 mm/min, milling time for the slot (in seconds) is

120

240

180

170

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YOUR ANSWER : ?

A CNC vertical milling machine has to cut a straight slot of 10 mm width and 2 mm depth by a cutter of 10 mm diameter between points (0,0) and (100,100) on the XY plane (dimensions in mm). The feed rate used for milling is 50 mm/min, milling time for the slot (in seconds) is

240

120

180

170

TRUE ANSWER : ?
YOUR ANSWER : ?

Hot rolling of mild steel is carried out

Between recrystallization temperature

At recrystallization temperature

Between 100⁰C to 150⁰C

Above recrystallization temperature

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YOUR ANSWER : ?