Understanding Motor Controls
4th Edition
ISBN: 9781337798686
Author: Stephen L. Herman
Publisher: Delmar Cengage Learning
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Textbook Question
Chapter 14, Problem 3RQ
What is the advantage of the bubbler type system for sensing liquid level?
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Complete the schematic below to provide for the following:
1. Cylinders extend and retract together. The cylinders extend when the valve lever is pulled ouat and
retract when the lever is pushed in.
2. Provide independently adjustable meter-in flow control for extend.
The flow control used to extend Cyl #1 should be labeled "FC1".
The flow control used to extend Cyl #2 should be labeled "FC2".
3. Provide independently adjustable meter-out flow control for extend. retract
The flow control used to retract Cyl #1 should be labeled "FC3".
The flow control used to retract Cyl #2 should be labeled "FC4".
CYL1
CYL #2
"AUHVA
Read each statement carefully and fill in the blank(s) with the correct answer.
1- Pressure Transmitter is converting pressure into
2- When an 8.1 mA is giving to the control valve by using slider then it will open by
%.
3- Click on
_button to see the graph between Pressure Vs Time.
psi air fill inside the air compressor then it will automatically off.
4- When
5- When the set point is below the current pressure in the PID process control then the
Solenoid valve will be
6- In the ON/OFF process control, when the process value above the set point then control
and maintain the pressure.
valve will be open according to
The capacity control for a screw compressor is accomplished with cylinder unloading true or false
Chapter 14 Solutions
Understanding Motor Controls
Ch. 14 - When using a rod type float switch, how is the...Ch. 14 - What type of float switch does not have a...Ch. 14 - What is the advantage of the bubbler type system...Ch. 14 - Prob. 4RQCh. 14 - Assume that a pipe has an inside diameter of 1...Ch. 14 - Assume that a pipe has an inside diameter of 1...Ch. 14 - If the green indicator lamps in question 6 do not...
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