Industrial Motor Control
7th Edition
ISBN: 9781133691808
Author: Stephen Herman
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 14, Problem 15RQ
What type of chemical is used to cause a pressure change in a bellows type thermostat?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Why is a low-voltage thermostat normally more accuratethan a high-voltage thermostat?
What is the primary purpose of a thermostat
jiggle valve?
Select one:
a. To act as a bypass for coolant
b. To relieve water pump pressure
under load
c. To ensure coolant flows the correct
direction
d. To aid in bleeding air from the
system
If the thermostat contacts are closed the compressor and the condenser fan motor are not operating, and all the other loads are operating properly, which might be the problem?
A. A bad high pressure safety switch.
B. A bad low pressure switch
C. Both A. and B.
D. A bad thermostat
Chapter 14 Solutions
Industrial Motor Control
Ch. 14 - Should a metal bar be heated or cooled to make it...Ch. 14 - Prob. 2RQCh. 14 - Prob. 3RQCh. 14 - Why are bimetal strips often formed into a spiral...Ch. 14 - Why should electrical contacts never be permitted...Ch. 14 - What two factors determine the amount of voltage...Ch. 14 - Prob. 7RQCh. 14 - Prob. 8RQCh. 14 - Prob. 9RQCh. 14 - Prob. 10RQ
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
- Is the heat anticipator in series or parallel with the thermostatcontacts?arrow_forwardWhat type of pressure switch is generally used to sense small changes in low pressure systems?arrow_forwardThree common controls used in central electric heat applications are thermostats, contactors (or relays), and A. capacitors. B. sequencers. C. cool anticipators.arrow_forward
- What type of equipment normally has the refrigerantcharge printed on the nameplate?arrow_forwardThe A/C compressor cycles rapidly, and air coming from the vents is only slightly cool. Technician A says the problem could be a low refrigerant charge. Technician B says the problem could be a defective thermostatic switch. Who is right? Group of answer choices Technician A Technician B Both A and B Neither A nor B PreviousNextarrow_forwardA disadvantage of a central forced-air electric furnace is that A. there is no zone control for individual rooms. B. a thermostat must be installed in each room. C. only line-voltage thermostats can be used. D. it is difficult to add air-conditioning (cooling)arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Understanding Motor ControlsMechanical EngineeringISBN:9781337798686Author:Stephen L. HermanPublisher:Delmar Cengage LearningRefrigeration and Air Conditioning Technology (Mi...Mechanical EngineeringISBN:9781305578296Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill JohnsonPublisher:Cengage Learning
Understanding Motor Controls
Mechanical Engineering
ISBN:9781337798686
Author:Stephen L. Herman
Publisher:Delmar Cengage Learning
Refrigeration and Air Conditioning Technology (Mi...
Mechanical Engineering
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:Cengage Learning
Hydronics Step by Step; Author: Taco Comfort Solutions;https://www.youtube.com/watch?v=-XGNl9kppR8;License: Standard Youtube License