In a variable frequency drive, the ____ control sets the maximum speed of the motor.

A. minimum hertz
B. maximum hertz
C. current limit
D. volts per hertz


Answer: B

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The main for a panelboard may be either a(n) ____ or a circuit breaker.

A. fuse B. appliance C. busbar D. pole

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If blue litmus paper turns red when a water sample is tested, this indicates that the pH of the water is _____.

a. above 7.0 b. between 10 and 14 c. neutral d. below 7.0

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Moving a part of the body anteriorly in the horizontal plane is called

A) retraction. B) elevation. C) flexion. D) dorsiflexion. E) protraction.

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Included angle is ________

A) Camber + SAI B) Camber + caster C) Toe + camber D) SAI + caster

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