Positive displacement meters are powered by __________.
A. an external energy source
B. the fluid which flows through them
Answer: B
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A box drawn with dashed lines in a wiring diagram indicates __________
A) A complete circuit B) A portion of a component C) A complete component D) None of these
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A barometer is used to read:
A) Atmospheric pressure. B) Wind speed. C) System pressures. D) Relative humidity.
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Which instrument should be used to verify that there is power available to run a three-phase motor that will not start?
a. Clamp-on ammeter b. Megger c. Ohmmeter d. Voltage tester
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Examples of diseases caused by ____________________ are African sleeping sickness and anaplasmosis
Fill in the blank(s) with correct word
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