INDUSTRIAL MOTOR CONTROL
7th Edition
ISBN: 9780357670590
Author: Herman
Publisher: CENGAGE L
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Chapter 15, Problem 2RQ
What two factors determine the polarity of the output voltage produced by the Hall generator?
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In conventional drawing of a stainless steel wire, the original diameter D.-3mm, the area
reduction at each die stand r-40%, and the proposed final diameter D.-0.5mm, how many
die stands are required to complete this process.
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In non-continuous dieless drawing process for copper tube as shown in Fig. (1), take the
following data: Do-20mm, to=3mm, D=12mm, ti/to=0.6 and vo-15mm/s. Calculate: (1)
area reduction RA, (2) drawing velocity v. Knowing that: t₁: final thickness
D₁
V.
Fig. (1)
D
A vertical true centrifugal casting process is used to produce bushings that are 250 mm
long and 200 mm in outside diameter. If the rotational speed during solidification is 500
rev/min, determine the inside radii at the top and bottom of the bushing if R-2Rb. Take:
8-9.81 m/s
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