One method of determining harmonic problems on single-phase systems is to make two separate current checks. When this is performed, a ratio of average to true-RMS equal to one indicates _____ harmonic distortion.
A. ?no
B. ?moderate
C. ?extreme
Answer: A
Trades & Technology
You might also like to view...
This is an angular relief at the last thread to help allow the thread to more easily engage with a mating part.
a. lead b. chamfer c. crest d. thread
Trades & Technology
When did the modern animal rights movement begin?
A) the 1940s B) the 1960s C) the 1970s D) the 1990s
Trades & Technology
The ___________________ process was first discovered in the year 1839.
Fill in the blank(s) with the appropriate word(s).
Trades & Technology
Some limited-slip differentials are gear-based (no internal clutches) units that transfer torque from a slipping wheel to the wheel with more traction.
Answer the following statement true (T) or false (F)
Trades & Technology