Refer to the circuit shown in Figure 28-3. If it is assumed that the TR is set to a delay of 4 seconds. When the start button is pressed, the motor does not start. Holding the start button down for over 4 seconds does not cause the motor to start. Which of the following could not have caused this problem? a. Contractor coil S is open. b. The control transformer fuse is blown. c. OL-S contact is open. d. OL-R contact is open.

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
icon
Related questions
Question
100%
20. Refer to the circuit shown in Figure 28-3. If it is assumed that the TR is set to a delay of 4
seconds. When the start button is pressed, the motor does not start. Holding the start
button down for over 4 seconds does not cause the motor to start. Which of the following
could not have caused this problem?
a. Contractor coil S is open.
b. The control transformer fuse is blown.
c. OL-S contact is open.
d. OL-R contact is open.
Transcribed Image Text:20. Refer to the circuit shown in Figure 28-3. If it is assumed that the TR is set to a delay of 4 seconds. When the start button is pressed, the motor does not start. Holding the start button down for over 4 seconds does not cause the motor to start. Which of the following could not have caused this problem? a. Contractor coil S is open. b. The control transformer fuse is blown. c. OL-S contact is open. d. OL-R contact is open.
TI
TS
Molor
T6
PTO
Corol Tanslormer
Two-Wre Control i Used
OL-S LO-A
ala
TR
FIG. 28-3
Transcribed Image Text:TI TS Molor T6 PTO Corol Tanslormer Two-Wre Control i Used OL-S LO-A ala TR FIG. 28-3
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps with 3 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
Electrical Engineering
ISBN:
9780133923605
Author:
Robert L. Boylestad
Publisher:
PEARSON
Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:
9781337900348
Author:
Stephen L. Herman
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Electrical Engineering
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education
Fundamentals of Electric Circuits
Fundamentals of Electric Circuits
Electrical Engineering
ISBN:
9780078028229
Author:
Charles K Alexander, Matthew Sadiku
Publisher:
McGraw-Hill Education
Electric Circuits. (11th Edition)
Electric Circuits. (11th Edition)
Electrical Engineering
ISBN:
9780134746968
Author:
James W. Nilsson, Susan Riedel
Publisher:
PEARSON
Engineering Electromagnetics
Engineering Electromagnetics
Electrical Engineering
ISBN:
9780078028151
Author:
Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher:
Mcgraw-hill Education,