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Manufacturing And Production Technology

Manufacturing And Production Technology
A 15 mm drilling machine means that it can drill a hole

None of these
Of maximum diameter 15 mm
In 15 mm thick plates

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Manufacturing And Production Technology
In order to have interference fit, it is essential that the lower limit of the shaft should be

Lesser than the lower limit of the hole
Greater than the lower limit of the hole
Lesser than the upper limit of the hole
Greater than the upper limit of the hole

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Manufacturing And Production Technology
In orthogonal turning of a low carbon steel bar of diameter 150 mm with uncoated carbide tool, the cutting velocity is 90 m/min. The feed is 0.24 mm/rev and the depth of cut is 2 mm. The chip thickness obtained is 0.48 mm. If the orthogonal rake angle is zero and the principle cutting edge angle is 90⁰, the shear angle in degree is

20.56
26.56
36.56
30.56

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Manufacturing And Production Technology
A single point thread cutting tool should ideally have

Negative rake angle
Zero rake angle
Point angle
Positive rake angle

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Manufacturing And Production Technology
When 3-2-1 principle is used to support and locate a three dimensional work-piece during machining, the number of degrees of freedom that are restricted is

8
10
7
9

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Manufacturing And Production Technology
The trade name of a nonferrous cast alloy composed of cobalt, chromium and tungsten is called

Stellite
Cemented carbide
Ceramic
Diamond

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