Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
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Chapter 12, Problem 18RQ
To determine
The importance of using the wire of appropriate size in any electrical circuit.
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Students have asked these similar questions
What does this symbol refer to? Correct formal name, shorter name,
or name of typical use in circuit will be accepted.
All terminals have a defined wire size range. If I had a wire of 2.0mm / 15 AWG, what terminal should I use?
A. Red insulated terminal.
B. Blue insulated terminal.
C. Yellow insulated terminal.
D. It doesn’t matter as all these answers are correct.
True or False? In a parallel circuit, circuit current is the same throughout all parts of the circuit.
Chapter 12 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 12 - The __________is that part of an atom that moves...Ch. 12 - When this part of an atom moves to another atom,...Ch. 12 - State the differences between AC and DC.Ch. 12 - Describe how a meter would be connected in a...Ch. 12 - Describe how an amperage reading would be taken...Ch. 12 - Describe how the total resistance in a series...Ch. 12 - Ohm's law for determining voltage is _______.Ch. 12 - Ohm's law for determining amperage is_________.Ch. 12 - Ohm's law for determining resistance is_______.Ch. 12 - Prob. 10RQ
Ch. 12 - Describe the characteristics of the voltage,...Ch. 12 - If there were a current flowing of 5A in a 120-V...Ch. 12 - If the resistance in a 120-V circuit was 40 , what...Ch. 12 - Electrical power is measured in A. amperes. B....Ch. 12 - The formula for determining electrical power...Ch. 12 - Describe how a step-down transformer differs from...Ch. 12 - What are the three types of opposition to current...Ch. 12 - Prob. 18RQCh. 12 - What does forward bias on a diode mean?Ch. 12 - The unit of measurement for the charge a capacitor...
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- To trace the circuits in the unit, the _________diagramis used.arrow_forwardWhat is a special hazard encountered in large industrial transformers used in unit substations?arrow_forwardRefer to Figure 211 to answer the following questions. How much voltage will be applied to coil 1CR when it is energized?arrow_forward
- Assume that the circuit shown in Figure 97 were to be connected as shown in Figure 914. In what way would the operation of the circuit be different, if at all?arrow_forwardRefer to the circuit shown in Figure 5-29. Is the thermostat contact normally open, normally closed, normally closed held open, or normally open held closed? Figure 5-29 The contactor contains both load and auxiliary contacts.arrow_forwardWhy should electrical contacts never be permitted to open or close slowly?arrow_forward
- To answer the following questions refer to the circuit shown in Figure 41–10. Assume that the third speed push button is pressed. Explain the sequence of operation for the circuit.arrow_forwardWhile discussing the circuit shown in Figure 15-66: Technician A says that the total resistance of the circuit is 1 ohm. Technician B says that the current flow through the 6-ohms of resistance is 12 amps. Who is correct? a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forwardTo answer the following questions refer to the circuit shown in Figure 4110. Assume that the third speed push button is pressed and the motor starts in its first or lowest speed. After a delay of 3 seconds, the motor accelerates to its second speed, but never accelerates to its highest or third speed. Which of the following could cause this problem? a. CR coil is open. b. Coil 2TR is open. c. Coil 1TR is open. d. Coil 1S is open.arrow_forward
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