If a piece of machinery needs a replacement motor and will be damaged if the new motor rotates the wrong way. The test equipment needed to test the rotation direction of the new motor is a _____.
A. phase angle voltmeter
B. MEGGER®
C. digital multimeter
D. phase rotation meter
Answer: D
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a. The load radius b. The maximum weight of the load c. The fact that it is always a written document d. The type of process for developing the plan
After running a diesel engine under heavy load, how long should the engine be idled before shutdown?
A. one minute B. five minutes C. fifteen minutes D. thirty minutes
Electronic air cleaners generally have ____.
A. ionizing sections B. charcoal filters C. prefilters D. All of the above.
Battery hold-down clamps or brackets help reduce ________, which can greatly reduce the capacity and life of any battery
A) Heat B) Cycling C) Temperature D) Vibration