The speed of the disc servomotor can be varied by changing the amount of voltage supplied to the armature. The voltage is generally varied using _____.
A. phase
B. pulse-width
C. frequency
D. amplitude
Answer: B
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Use the table in the accompanying figure to find the circular pitch given a pitch of 1.128 inches. Round to the nearest thousandth inch.
A. 2.785 B. 2.988 C. 2.875 D. 3.249
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When mixing cement and aggregate, how do you know when you have the correct mixture?
What will be an ideal response?
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An example of a simple machine is a _____
a. plane c. pulley b. lever d. all of the above
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Your shop must schedule work two weeks from today because of a large volume of business. This would not be meeting the customers expectation of ________
A) Performance B) Availability C) Hours of operation D) Convenience
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