Which of the following is not true of permanent-magnet motors?
A. The main field flux is produced by permanent magnets.
B. An electromagnet is used for the secondary field or armature flux.
C. They has many of the characteristics of a wound rotor induction motor.
D. They consist of permanent magnets mounted on a frame with a rotating armature placed between them.
Answer: C
You might also like to view...
What is thermal mass?
What will be an ideal response?
What effect do noncondensable gases have on system performance?
A) They cause an increase in head pressure and a decrease in capacity. B) They cause a decrease in head pressure and an increase in capacity. C) Noncondensables do not affect condenser pressure because they do not condense. D) They cause a decrease in both head pressure and capacity.
What is the standard value used for the gasket thickness?
Fill in the blank(s) with the appropriate word(s).
Because the electric motors in hybrid vehicles have very strong permanent magnets people with _______ should not work on or near them?
Fill in the blank(s) with the appropriate word(s).