Variable speed motors especially N.E.M.A. B squirrel cage A.C. inducti – McqOptions

MCQOPTIONS

1.	Variable speed motors especially N.E.M.A. B squirrel cage A.C. induction motors might be operated by __?
A.	Variable frequency drive
B.	Direct current
C.	2 horsepower
D.	756 horsepower
Answer» B. Direct current

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