7. The main function of power circuit is to.. a) Implement logic functions b) Perform event control c) Implement interlocking d) Supply power to actuator 8. A thermocouple measure temperature based on the following principle: a) Change in capacitance b) Change in inductance c) Change in resistance d) Change in light 9. Choose a safety device for power circuit from the following: a) Contactor with N.O. contact b) Selector c) Thermal Overload Relay with N.C. contact d) Relay with N.O. contact and N.C. contact

7. The main function of power circuit is to.. a) Implement logic functions b) Perform event control c) Implement interlocking d) Supply power to actuator 8. A thermocouple measure temperature based on the following principle: a) Change in capacitance b) Change in inductance c) Change in resistance d) Change in light 9. Choose a safety device for power circuit from the following: a) Contactor with N.O. contact b) Selector c) Thermal Overload Relay with N.C. contact d) Relay with N.O. contact and N.C. contact

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...

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Question

multiple choice question.

7. The main function of power circuit is to..
a) Implement logic functions
b) Perform event control
c) Implement interlocking
d) Supply power to actuator
8. A thermocouple measure temperature based on the following principle:
a) Change in capacitance
b) Change in inductance
c) Change in resistance
d) Change in light
9. Choose a safety device for power circuit from the following:
a) Contactor with N.O. contact
b) Selector
c) Thermal Overload Relay with N.C. contact
d) Relay with N.O. contact and N.C. contact
10. Choose the suitable sensor to verify the screws are correctly seated as shown in
igure 3.
On
Off
Figure 3
a. Inductive proximity sensor
b. Ultrasonic sensor
c. Thru beam photoelectric sensor
d. Diffuse photoelectric sensor

6. Choose the suitable sensor to count the number of containers as shown in Figure 2.
Figure 2
a) Inductive proximity sensor
b) Ultrasonic sensor
c) Thru beam photoelectric sensor
d) Diffuse photoelectric sensor

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