Exercise: Production Engineering

Questions for: Production Engineering

The tail stock and the carriage of a lathe may be guided on same or different guideway.
A:
True
B:
False
C:
D:
Answer: A
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A drill bit of 20 mm diameter rotating at 500 r.p.m. with a feed rate of 0.2 mm/revolution is used to drill a through-hole in a mild steel plate 20 mm thickness. The depth of cut in this drilling operation is
A:
0.2 mm
B:
10 mm
C:
20 mm
D:
100 mm
Answer: C
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In oblique cutting of metals, the cutting edge of the tool is
A:
perpendicular to the workpiece
B:
perpendicular to the direction of tool travel
C:
parallel to the direction of tool travel
D:
inclined at an angle less than 90° to the direction of tool travel
Answer: D
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The carbide tools operating at very low cutting speeds (below 30 m/min)
A:
reduces tool life
B:
increases tool life
C:
have no effect on tool life
D:
spoils the work piece
Answer: A
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In drilling brass, a drill with
A:
zero helix angle is used
B:
low helix angle is used
C:
high helix angle is used
D:
any helix angle can be used
Answer: B
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Ad Slot (Above Pagination)
Quiz