ELECTRICITY FOR THE TRADES W/ACCESS
3rd Edition
ISBN: 9781264605309
Author: Petruzella
Publisher: MCG
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Textbook Question
Chapter 1.2, Problem 10RQ
What does a lockout-tagout procedure refer to?
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1. Please draw the root locus by hand for the following closed-loop system, where G(s)
s+8
S-2
and H(s) = Find the range of K for stability
Input
R(s)
Output
C(s)
KG(s)
H(s)
s+6
=
S-2
The state-space Jordan Canonical Form of the following system is:
Y(s)
8-5
U(s)
(+1)(+3)
Select one:
O a.
-1
0
0
A =
0
-1
0
B:
...
...
...
0
0
C [4 1.5 1.5], D=0
b.
-3 1
0
0
A =
0
-3
0
1
B
...
0
0
-1
C -4
-1.5 1.5], D=0
○ C.
-3 1
0
A =
0
-3
0
1
,B=
...
0
0
○ d.
C [4 1.5 1.5], D=0
-3 1
0
0
A =
0
-3
0
1
, B:
...
...
0
0
-1
C [4 1.5 1.5], D=0
-4 1
If=
x and (0):
=
then 2(t) is:
-4 0
Select one:
a. x2(t)=4te2t
O b. x2(t) = e2t+2te2t
Oc.
2(t)=-4te-21
Od. 2(t) e2-2te-2
=
Chapter 1 Solutions
ELECTRICITY FOR THE TRADES W/ACCESS
Ch. 1.1 - Does the severity of an electric shock increase or...Ch. 1.1 - In general, voltage levels above what value are...Ch. 1.1 - In general, current levels above what value are...Ch. 1.1 - What circuit fault can result in an arc flash?Ch. 1.1 - Define each of the following terms associated with...Ch. 1.1 - Explain why an arc flash is so potentially...Ch. 1.1 - What is a permit-required confined space?Ch. 1.1 - What does the term personal protective equipment...Ch. 1.1 - What personal protective attire is required when...Ch. 1.1 - When should face shields be worn?
Ch. 1.1 - A fall arrest system must be rigged so that...Ch. 1.1 - A ladder is used to reach the top of a building 16...Ch. 1.1 - What are the deck requirements for a scaffold work...Ch. 1.1 - Prob. 14RQCh. 1.1 - List the three ingredients required to sustain a...Ch. 1.1 - Which classes of fire are multipurpose...Ch. 1.1 - List four hazardous properties or characteristics.Ch. 1.2 - Prob. 1RQCh. 1.2 - Compare the terms grounding and bonding.Ch. 1.2 - Why is the earth not considered to be an effective...Ch. 1.2 - Explain what is meant by a ground fault.Ch. 1.2 - How does a ground-fault circuit interrupter (GFCI)...Ch. 1.2 - How does a ground-fault circuit interrupter (GFCI)...Ch. 1.2 - Explain what is meant by an arcing fault.Ch. 1.2 - Compare the amount of current that results from...Ch. 1.2 - Compare what GFCIs and AFCIs protect against.Ch. 1.2 - What does a lockout-tagout procedure refer to?Ch. 1.2 - Prob. 11RQCh. 1.2 - A voltmeter is used to verify that no voltage is...Ch. 1.2 - What is the main goal of OSHA?Ch. 1.2 - What is the primary purpose of the rules set forth...Ch. 1.2 - Assume a piece of electrical equipment has been...Ch. 1.2 - How often is the National Electrical Code updated...
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