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Manufacturing And Production Technology

Manufacturing And Production Technology
While current is shut down in the welding circuit, what kind of voltage exists between the output terminals of the welding machine?

Gouging
Kerf
Open air cut voltage
GTAW

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Manufacturing And Production Technology
In lapping operation, the amount of metal removed is

0.5 to 1 mm
0.01 to 0.1 mm
0.005 to 0.01 mm
0.05 to 0.1 mm

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Manufacturing And Production Technology
Trepanning is performed for

Truing a hole for alignment
Enlarging a drilled hole
Producing a large hole without drilling
Finishing a drilled hole

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Manufacturing And Production Technology
Hot rolling of mild steel is carried out

Between recrystallization temperature
Above recrystallization temperature
Between 100⁰C to 150⁰C
At recrystallization temperature

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Manufacturing And Production Technology
For generating a Coon’s surface we require

A set of grid points on the surface
Two bounding curves and a set of grid control points
Four bounding curves defining the surface
A set of grid control points

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Manufacturing And Production Technology
If the diameter of the hole is subject to considerable variation, then for locating in jigs and fixtures, the pressure type of locator used is

Diamond pin locator
Cylindrical locator
Conical locator
Vee locator

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