Which of the following is not an advantage of a permanent magnetic motor over a field wound motor?
A) It has higher efficiency. B) Its flux is always constant.
C) It has lower inertia. D) It needs only one power supply.
C
Trades & Technology
You might also like to view...
Does a mass transfer process have to involve heat transfer? Describe a process that involves both heat and mass transfer.
What will be an ideal response?
Trades & Technology
Which series U-joint has the greatest torque capacity?
A) 1350 B) 1310 C) 1480 D) 1260
Trades & Technology
The phase current of a wye-wound three-phase motor is:
A) 1.73 times the line current. B) Equal to the line current. C) 1.5 times the line current. D) 3 times the line current.
Trades & Technology
During normal operation of a typical 120-volt appliance circuit, current flows through the hot, grounding, and neutral conductors.
Answer the following statement true (T) or false (F)
Trades & Technology