NEMA-rated motors are designed to operate at plus or minus ____ percent of their rated voltage.
A. 5
B. 10
C. 15
D. 20
Answer: B
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Which of the following statements concerning applications or capabilities of soil moisture measuring devices is (are) true for the neutron probe?
A) requires "destructive sampling" for each measurement B) good to turn on automatic irrigation at -50 kPa C) used to turn on irrigation when soil moisture potential reaches -200 kPa D) would give the same reading for both a loamy sand and a silt loam if both contained 15% moisture E) both A and D
__________ preventative maintenance includes changing batteries, changing the wiring harness, and tightening terminal connections.
A. Pneumatic system B. Mechanical system C. Hydraulic system D. Electrical system
Intranet stands for:
A) a net shared by two or more companies. B) an external net that can be used by all people. C) an internal net normally used within the boundaries of the company. D) a net that includes all who are connected to it.
Which of the following relates to specific features within the drawing, such as an appliance or plumbing fixture.
A. schedules B. legends C. general notes D. local notes