Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 17, Problem 19RQ
The converter
A. changes the frequency of the power.
B. changes AC to DC.
C. is a switch.
D. is used only with DC motors.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Which of the following is not part of the starter motorcircuit?a. Batteryb. Starting safety switchc. Starter motord. Relay solenoid
In a DCV, this part is located on either or both sides of the spool to position it in the middle when not energized
a. operator
b. spool
c. springs
d. valve body
List some purposes for controlling the speed or direction of an air motor.
Chapter 17 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 17 - The two popular operating voltages for residences...Ch. 17 - Prob. 2RQCh. 17 - Is the resistance in the start winding greater or...Ch. 17 - Which of the following devices may be wired into...Ch. 17 - Prob. 5RQCh. 17 - Define BEME.Ch. 17 - Why is the hermetic compressor motor manufactured...Ch. 17 - The two types of motors used for hermetic...Ch. 17 - How does power pass through the compressor shell...Ch. 17 - The two types of relays used to start hermetic...
Ch. 17 - A PTC device is used A. to start a hermetic...Ch. 17 - True or False: Three-phase motors have low...Ch. 17 - Prob. 13RQCh. 17 - Why is it desirable to have a two-speed...Ch. 17 - True or False: All electric motors must be cooled...Ch. 17 - True or False: An SCR is an electronic switch.Ch. 17 - Prob. 17RQCh. 17 - Capacitors are used after the converter to A....Ch. 17 - The converter A. changes the frequency of the...Ch. 17 - The inverter A. adjusts the frequency. B. adjusts...Ch. 17 - Briefly describe the operation of the three...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- An open winding in an electric motor means that A. the winding is making contact with the motor frame. B. one winding is making contact with another winding. C. a wire in one winding is broken. D. the centrifugal switch to the start winding is open.arrow_forwardTrue or False: An SCR is an electronic switch.arrow_forwardVoltage can be described as ____________ .arrow_forward
- Which of the following is not part of the starter motor circuit? Battery Starting safety switch Starter motor Relay solenoidarrow_forwardTrue or False: Three-phase motors have low starting torque.arrow_forwardThe amount of counter torque developed by a direct current generator is proportional to what?arrow_forward
- An open single-phase motor with a centrifugal starting switch may not be used in A. an air-conditioning condenser fan motor. B. an air-conditioning indoor air handler. C. an area where explosive gases exist. D. a ventilating fan motor.arrow_forwardq2arrow_forwardWhich among the following is a WRONG STATEMENT about an electric motor? O a. Complex to operate O b. Minimal maintenance Oc. Minimum of safety hazarcs O d. Longer span of lifearrow_forward
- Which of the following is not a true statementabout blade fuses?a. They are available in several different sizes.b. They are color coded according to their voltage capacity.c. They are normally in an underhood fuse block.d. They allow the vehicle’s electrical system tobe broken down into small circuits.arrow_forwardThree common controls used in central electric heat applications are thermostats, contactors (or relays), and A. capacitors. B. sequencers. C. cool anticipators.arrow_forwardWhich of the following is used as starter for a gas turbine a. A compressor b. Low pressure turbine c. An auxiliary electric motor d. Heat exchangerarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Refrigeration and Air Conditioning Technology (Mi...Mechanical EngineeringISBN:9781305578296Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill JohnsonPublisher:Cengage LearningUnderstanding Motor ControlsMechanical EngineeringISBN:9781337798686Author:Stephen L. HermanPublisher:Delmar Cengage LearningAutomotive Technology: A Systems Approach (MindTa...Mechanical EngineeringISBN:9781133612315Author:Jack Erjavec, Rob ThompsonPublisher:Cengage Learning
- Electrical Transformers and Rotating MachinesMechanical EngineeringISBN:9781305494817Author:Stephen L. HermanPublisher:Cengage LearningAutomotive TechnologyMechanical EngineeringISBN:9781337794213Author:ERJAVEC, Jack.Publisher:Cengage,Welding: Principles and Applications (MindTap Cou...Mechanical EngineeringISBN:9781305494695Author:Larry JeffusPublisher:Cengage Learning
Refrigeration and Air Conditioning Technology (Mi...
Mechanical Engineering
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:Cengage Learning
Understanding Motor Controls
Mechanical Engineering
ISBN:9781337798686
Author:Stephen L. Herman
Publisher:Delmar Cengage Learning
Automotive Technology: A Systems Approach (MindTa...
Mechanical Engineering
ISBN:9781133612315
Author:Jack Erjavec, Rob Thompson
Publisher:Cengage Learning
Electrical Transformers and Rotating Machines
Mechanical Engineering
ISBN:9781305494817
Author:Stephen L. Herman
Publisher:Cengage Learning
Automotive Technology
Mechanical Engineering
ISBN:9781337794213
Author:ERJAVEC, Jack.
Publisher:Cengage,
Welding: Principles and Applications (MindTap Cou...
Mechanical Engineering
ISBN:9781305494695
Author:Larry Jeffus
Publisher:Cengage Learning
The Robot Revolution: The New Age of Manufacturing | Moving Upstream; Author: Wall Street Journal;https://www.youtube.com/watch?v=HX6M4QunVmA;License: Standard Youtube License