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Manufacturing And Production Technology

Manufacturing And Production Technology
The taper on the lathe spindle is

1 in 20
1 in 30
1 in 15
1 in 10

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Manufacturing And Production Technology
A broach has

Semi-finishing teeth
All of these
Finishing teeth
Roughing teeth

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Manufacturing And Production Technology
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 sinα
πdn cosα
πd

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Manufacturing And Production Technology
The in-feed grinding is used to

All of these
Produce tapers
Grind long, slender shafts or bars
Grind shoulders and formed surfaces

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Manufacturing And Production Technology
High speed steel cutting tools operate at cutting speeds _________ than carbon steel tools.

2 to 3 times higher
2 to 3 times lower
5 to 8 times higher
8 to 20 times higher

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Manufacturing And Production Technology
A lathe with four steps on the cone pulley and with back-gears will have

Eight indirect speeds
Four direct and four indirect speeds
Four direct speeds
Four indirect speeds

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