Bundle: Welding: Principles and Applications, 8th + MindTap Welding, 4 terms (24 months) Printed Access Card
8th Edition
ISBN: 9781337219426
Author: Larry Jeffus
Publisher: Cengage Learning
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Textbook Question
Chapter 5, Problem 5R
What are the advantages of welded piping systems over other joining methods?
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Please consider the following closed-loop Multiple-Input Multiple-Output (MIMO) control system:
R₁(s) and R2(s) are the reference signals (or inputs),
•
G₁(s) (where i = 1,2,3,4,5) are the plant transfer functions,
•
C₁(s) and C2(s) are the responses (or system outputs),
•
All of them are in Laplace domain.
R2
+
R₁ +
+
G₂(s)
G3(S)
Tasks:
G5(s)
G4(s)
+
G₁(s)
می
a) Please derive the transfer function between C₁ (s) and R₂(s) (i.e., find
R₂(s)
(10 marks)
(10 marks)
b) Please derive the transfer function between C₂(s) and R₁(s) (i.e., find C2 (s)).
R₁(s)
Hint: Please carefully analyse how the signals interact with the plants G₁(s) and find all paths from
Một thanh dài L = 2,5 m được nối bằng chốt với một con lăn ở A. Con
lăn chuyển động dọc theo một đường ray nằm ngang như hình vẽ với
VA 5 m/s. Xác định vận tốc của điểm C (trung điểm của thanh AB)
=
tại thời điểm 0 = 33° và O = 0.4 rad/s.
A. v = (-5.42+0.272})(m/s)
C. v = (5.421+0.272})(m/s)
B. v =(0.272i+5.42j)(ms)
D. (5.42-0.272)(m/s)
=
C
B
Chapter 5 Solutions
Bundle: Welding: Principles and Applications, 8th + MindTap Welding, 4 terms (24 months) Printed Access Card
Ch. 5 - List some applications that use low-pressure...Ch. 5 - List some applications that use medium-pressure...Ch. 5 - List some applications that use high-pressure...Ch. 5 - Describe the differences between pipe and tubing.Ch. 5 - What are the advantages of welded piping systems...Ch. 5 - Why must the ends of pipe be beveled before being...Ch. 5 - How can the ends of a pipe be beveled?Ch. 5 - Why is the end of a pipe beveled at a 371/2 angle?Ch. 5 - What causes root suck-back or a concave root face?Ch. 5 - Why are arc strikes outside the welding zone...
Ch. 5 - What are the purposes of backing rings?Ch. 5 - What is the purpose of a hot pass?Ch. 5 - Why must the weld crater be cleaned before...Ch. 5 - What is the maximum width of the cover pass? Why?Ch. 5 - When is the 1G welding position used?Ch. 5 - What can make welding in the 2G vertical fixed...Ch. 5 - What supports the welds on a 2G pipe joint?Ch. 5 - On 5G welds, what usually determines the direction...Ch. 5 - What angle is the pipe at in the 6G position?Ch. 5 - In addition to continuously changing the weld...
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