In the above figure, the __________ of the amplifier output determines which direction the servo valve causes the linear actuator to move.
A. amplitude
B. polarity
Answer: B
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Digital devices will not operate with ____________________ voltage inputs.
Fill in the blank(s) with the appropriate word(s).
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?Hydrocarbons are made up of ____.
A. ?hydrogen and carbon B. ?oxygen and hydrogen C. ?oxygen and carbon D. ?oxygen, hydrogen, and carbon
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Technician A says that a relay is an electromagnetic switch. Technician B says that a solenoid uses a movable core. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
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List the components of a comprehensive fire safety program
What will be an ideal response?
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