Power window systems use __________ motors?
A) Reversible B) Servo C) Unidirectional D) Stepper
A
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Two technicians are discussing bleeding air from the brake hydraulic system. Technician A says to depress the brake pedal slowly and not to the floor to prevent possible seal damage inside the master cylinder. Technician B says to wait 15 seconds between strokes of the brake pedal. Which technician is correct?
A) Technician A only B) Technician B only C) Both Technicians A and B D) Neither Technician A nor B
Leaks in commercial refrigeration systems must be repaired if they have an annual leak rate of:
A) 10% of the charge per year. B) 25% of the charge per year. C) 15% of the charge per year. D) 35% of the charge per year.
One advantage of part winding starters is that they provide ____ starting.
A. inductive B. dual-voltage C. closed transition D. open transition