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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What is the condenser split of an R134a unit with head pressure of 145 psig at an ambient air temperature of 90°?
a. 10° b. 20° c. 30° d. 40°
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In an AC capacitive circuit:
A) Current leads voltage. B) Current lags voltage. C) The voltage and current are in phase. D) Voltage leads current.
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The pituitary gland produces a hormone that stimulates the ovary to produce a follicle.
Answer the following statement true (T) or false (F)
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The U.S. dairy industry has been able to increase total milk production mostly by increasing the inventory of dairy cows.
Answer the following statement true (T) or false (F)
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