The rotor of an ECM motor is composed of:
A) A solid bronze casting.
B) Copper windings coiled around layers of laminated soft iron.
C) Permanent magnets.
D) Layers of laminated soft iron.
C
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A(n) ____________________ motor is wound like an AC induction motor, but it uses permanent magnets on the rotor and does not contain a commutator.
Fill in the blank(s) with the appropriate word(s).
Technician A says that coolant is a 50/50 mixture of antifreeze and water. Technician B says the terms coolant and antifreeze are used interchangeably by their manufacturers.Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
If the walls are to be covered with stucco or masonry veneer, this material is outside the ________ face of the wall frame.
A. dimensioned B. building C. inside D. None of these are correct
Technician A says that a vehicle must have new tires in order to perform a proper alignment. Technician B says that the tires should be the same size with the same treadwear in order to perform a proper alignment. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician