MANUFACTURING AND PRODUCTION TECHNOLOGY QUIZ

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

180

170

120

240

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The helix angle of a drill is ___ for drilling brass.

Equal to 30°

More than 30°

None of the listed here

Less than 30°

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The rear teeth of a broach

Remove no metal

Perform burnishing operation

Remove minimum metal

Remove maximum metal

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

GTAW

None of these

Submerged Arc Welding

GMAW

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In centreless grinding, the surface speed of regulating wheel is

60 to 90 m/min

5 to 15 m/min

15 to 60 m/min

90 to 120 m/min

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The broaching operation in which either the work or the tool moves across the other, is known as

Push broaching

Pull broaching

Surface broaching

Continuous broaching

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Internal gears can be made by

Shaping with rack cutter

Shaping with pinion cutter

Milling

Hobbing

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In gear hobbing

Both hob and gear blank rotates

Only hob rotates

Neither hob nor gear blank rotates

Only gear blank rotates

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When two main plates are kept in alignment butting each other and riveted with cover plate on both sides of the main plates with two rows of rivets in each main plate, the joint is known as _______ double cover butt joint.

None of these

Both (A) and (B)

Single riveted

Double riveted

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An expendable pattern is used in

Investment casting

Slush casting

Squeeze casting

Centrifugal casting

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