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Manufacturing And Production Technology

Manufacturing And Production Technology
Drilling is an example of

Uniform cutting
Simple cutting
Orthogonal cutting
Oblique cutting

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Manufacturing And Production Technology
The cutting speed for drilling __________ with high speed steel drills is 24 to 45 m/min.

Mild steel
Brass
Copper
Aluminium

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Manufacturing And Production Technology
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

240
180
170
120

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Manufacturing And Production Technology
Hardness of green sand mould increases with

Increase in moisture content beyond 6 percent
Decrease in permeability
Increase in permeability
Increase in both moisture content and permeability

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Manufacturing And Production Technology
A shaft has a dimension, φ9 +0.025⁺⁰∙⁰⁰⁹, the respective values of fundamental deviation and tolerance are

−0.009, 0.016
−0.009, ± 0.008
−0.025, 0.016
−0.025, ±0.008

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Manufacturing And Production Technology
In machining metals, chips break due to __________ of work material.

Elasticity
Toughness
Work hardening
Ductility

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