Lab Manual for Smith's Electricity for Refrigeration, Heating, and Air Conditioning, 9th
9th Edition
ISBN: 9781285180014
Author: Russell E. Smith
Publisher: Cengage Learning
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Textbook Question
Chapter 5, Problem 16RQ
Which of the following is not a requirement for an electric circuit?
- a. a source
- b. a path
- c. a load
- d. a signal light
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Chapter 5 Solutions
Lab Manual for Smith's Electricity for Refrigeration, Heating, and Air Conditioning, 9th
Ch. 5 - What are the three types of electrical diagrams...Ch. 5 - A load is an electrical device that __________. a....Ch. 5 - What is the major load of an air-conditioning...Ch. 5 - Identify the following symbols for loads:Ch. 5 - Prob. 5RQCh. 5 - What do the terms normally open and normally...Ch. 5 - What is the difference between a magnetic starter...Ch. 5 - Prob. 8RQCh. 5 - Draw a heating and a cooling thermostat and...Ch. 5 - A three-pole contactor would allow how many paths...
Ch. 5 - A disconnect switch is used to __________. a. open...Ch. 5 - What determines whether a pressure switch opens or...Ch. 5 - Identify the following symbols for...Ch. 5 - What is the difference between a thermal overload...Ch. 5 - What is the purpose of a transformer? Draw the...Ch. 5 - Which of the following is not a requirement for an...Ch. 5 - What is the purpose of a legend on a schematic...Ch. 5 - A factual diagram is _____. a. a pictorial diagram...Ch. 5 - Identify the following symbols for safety devices.Ch. 5 - Prob. 20RQCh. 5 - True or False: The schematic diagram tells service...Ch. 5 - What is the difference between a pilot duty and a...Ch. 5 - What type of switch would be used to open or close...Ch. 5 - What is the purpose of a fuse in an electrical...Ch. 5 - True or False: A solenoid valve is a device that...Ch. 5 - What is a signal light used for in a control...Ch. 5 - Change the following normally open elements from...Ch. 5 - Draw the symbols for the following electrical...Ch. 5 - Add letter designations to the symbols to indicate...Ch. 5 - Draw a symbol for a magnetic starter.
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- Which type of resistor is commonly used in automotive circuits? a. Fixed value b. Stepped c. Variable d. All of the abovearrow_forwardPower-consuming devices are wired in _____(series orparallel).arrow_forwardis a symbol for_ 1 3 a. 3/3 DCV normally Open b. 2/3 DCV normally closed c. 2/3 DCV normally open O d. 3/3 DCV normally closed 2.arrow_forward
- No need to explain. Just please answer the 2 questions, thank you.arrow_forwardWhat are the three types of opposition to current flow that impedance represents?arrow_forwardA load is an electrical device that__________.a. produces electricityb. directs the flow of electricityc. assists in the starting of motorsd. uses electricity to do useful workarrow_forward
- The generation of EMF in one circuit with changes in another circuit is called O a. Faraday Law O b. Lenz Law O C. Mutual Induction O d. Electromagnetic Inductionarrow_forwardWhat does the term bifilar mean?arrow_forwardWhich of the following is not a characteristic ofparallel circuits?a. Total circuit resistance is always less thanthe resistance of the leg with the lowest totalresistance.b. The current through each leg will be differentif the resistance values are different.c. The sum of the resistance in each leg equalsthe total circuit resistance.d. Source voltage will be dropped across eachleg of the parallel circuit.arrow_forward
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