Technician A says that some DC motors use brushes. Technician B says that an AC synchronous motor uses a permanent magnet rotor. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
C
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Answer the following statement true (T) or false (F)
Most states have laws that require the seed germination rate to be tested every two years
Indicate whether the statement is true or false
Technician A says that air-over-hydraulic disc brakes operate by using a hydraulically actuated caliper to squeeze brake friction pads against both sides of a rotor. Technician B saysthat hydraulic slack adjusters maintain the correct amount of fluid in the wheel end by compensating for internal brake disc wear. Who is correct?
A. Technician A B. Technician B C. Both D. Neither
How should the accumulator for a heat pump system be sized, and why?
What will be an ideal response?