Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Textbook Question
Chapter 10, Problem 4SQ
A pressure switch is to be installed on a system with pressures that can range from 1500 PSI to 1800 PSI. What type of pressure switch should be used?
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Fluke DMM
1. Which jacks should be used and what setting should be chosen on the selector
switch to measure resistance with the Fluke DMM?
a. Jacks to be used:
b. Selector switch position:
(describe or draw the symbol for the setting)
2. The Fluke DMM is an autoranging meter. What does this mean?
3. For each display sample shown below, indicate the resistance value being
measured by the Fluke DMM.
89.63a
a.
b. 20.36 ka
8.306 Ma
C.
2036a
d.
e. 2.036 ka.
f. 0.936 Ma
0.068 k
g.
0710 assign_ELTE108_Homework_07_2011-11-04ACC.docx
Page 4 of 4
Complete the information in the table about
rotary switch 8 way
and
micro switch
What is the significance of voltage regulation in a power system?
Chapter 10 Solutions
Electric Motor Control
Ch. 10 - Describe how pressure switches are connected to...Ch. 10 - What type of pressure switch is generally used to...Ch. 10 - A pressure switch is set to cut in at a pressure...Ch. 10 - A pressure switch is to be installed on a system...Ch. 10 - A pressure switch is to be installed in a circuit...Ch. 10 - Refer to the circuit shown in Figure 105. If the...Ch. 10 - Refer to the circuit shown in Figure 105. Assume...Ch. 10 - Refer to the circuit shown in Figure 106. Assume...Ch. 10 - Refer to the circuit shown in Figure 106. Assume...Ch. 10 - Refer to Figure 106. When the thermostat contact...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- What type of pressure switch is generally used to sense small changes in low- pressure systems?arrow_forwardwhat are three safety items to consider when using a voltage tester on energized circuitsarrow_forwardWhat piece of test equipment allows the user to select exact resistances by moving or turning a series of switches?arrow_forward
- Explain the procedure for carrying out a ‘voltage test’.arrow_forwardAn electric fuse consist of a small strip of wire with a low melting temperature. The current in the protected circuit flows this strip. Which will have a greater resistance, 10A fuse or a 20A fuse? Explain.arrow_forwardWhat determines whether a pressure switch opens or closes on a rise of pressurearrow_forward
- A pressure switch is to be installed in a circuit that requires it to have three normally open contacts and one normally closed contact. The switch actually has one normally open contact. What must be done to permit this pressure switch to operate in this circuit?arrow_forwardWrite any four methods of voltage control.arrow_forwardWhat can you do to reduce or eliminate the possibility of receiving an electric shock when working on electrical circuitsarrow_forward
- Set VA to 20 volts. Insert a jumper between points A and B. 1.Charge time was approximately how many seconds? 2.One RC time is approximately how many seconds? 3.The Re of the meter and the 1-m ohm resistor is approximately how many ohms?arrow_forward14. If you are unsure of the amount of voltage to be measured in a non-autoranging meter (a) reverse your leads and proceed with the measurement. (b) set the range switch to the lowest voltage range. c) set the range switch to the highest voltage range. (d) none of the above.arrow_forwardWhy do you think electrical safety testing is so important?arrow_forward
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