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Manufacturing And Production Technology

Manufacturing And Production Technology
The ductile materials, during machining, produce

Discontinuous chips
Continuous chips with built up edge
Continuous chips
Either (A) or (C)

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Manufacturing And Production Technology
What is the type of joining process called, where the parts to be welded are kept in contact and rotated relative to each other and axial pressure is applied when the desired temperature is obtained?

Friction welding
Forge welding
Electron beam welding
Ultrasonic welding

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Manufacturing And Production Technology
For softer materials, the point angle of the drill is kept

More than 118°
Equal to 118°
Any one of these
Less than 118°

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Manufacturing And Production Technology
Tumbler gears in lathe are used to

Drill a workpiece
Reduce the spindle speed
Give desired direction of movement to the lathe carriage
Cut gears

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Manufacturing And Production Technology
A ring gauge is used to measure

Roundness but not outside diameter
Outside diameter but not roundness
Only external threads
Both outside diameter and roundness

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Manufacturing And Production Technology
Volume of a cube of side ‘l’ and volume of a sphere of radius ‘r’ are equal. Both the cube and the sphere are solid and of same material. They are being cast. The ratio of the solidification time of the cube to the same of the sphere is

(4π/6)² × (r/l)⁴
(4π/6) × (r/l)²
(4π/6)³ × (r/l)⁶
(4π/6)² × (r/l)³

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