INDUSTRIAL MOTOR CONTROL
7th Edition
ISBN: 9780357670590
Author: Herman
Publisher: CENGAGE L
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Chapter 41, Problem 5RQ
Refer to the circuit shown in Figure 41–6. You are to install this control system. How many auxiliary contacts should starter 1L contain? List how many are normally open and how many are normally closed.
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H.W 5.4
Calculate the load that will make point A move to the left by 6mm, E-228GPa. The diameters
of the rods are as shown in fig. below.
2P-
PA
50mm
B
200mm
2P
0.9m
1.3m
d₁
=
=
Two solid cylindrical road AB and
BC are welded together at B and
loaded as shown. Knowing that
30mm (for AB) and d₂
50mm (for BC), find the average
normal stress in each road and the
total deformation of road AB and
BC. E=220GPa
H.W 5.3
60kN
A
For the previous example calculate the
value of force P so that the point A will not
move, and what is the total length of road
AB at that force?
P◄
A
125kN
125kN
0.9m
125kN
125kN
0.9m
B
B
1.3m
1.3m
Class:
B
Calculate the load that will make point A move to the left by 6mm, E-228GPa
The cross sections of the rods are as shown in fig. below.
183
P-
Solution
1.418mm
200mm
80mm
3P-
18.3
A
080mm
B
200mm
3P-
0.9m
إعدادات العرض
1.3m
4.061mm
Chapter 41 Solutions
INDUSTRIAL MOTOR CONTROL
Ch. 41 - Prob. 1RQCh. 41 - Prob. 2RQCh. 41 - What is the advantage of consequent pole motors...Ch. 41 - Prob. 4RQCh. 41 - Refer to the circuit shown in Figure 416. You are...Ch. 41 - Refer to the circuit shown in Figure 41–6. What is...Ch. 41 - Refer to the circuit shown in Figure 41–7. When...Ch. 41 - Prob. 8RQCh. 41 - Refer to the circuit shown in Figure 41–10....Ch. 41 - Refer to the circuit shown in Figure 4110. You are...
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