What regulates the flow of chilled water through the cooling coil?
A) An electric fan B) A control valve
C) The input temperature D) The condenser
B
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List the advantages of a wound-rotor induction motor.
What will be an ideal response?
A 150-hp, 460-volt synchronous motor is to be operated at 80% power factor. What will be the full-load current rating of the motor? Use the accompanying figure
a. 66
b. 81
c. 127
Technician A says that comparing height sensors from side to side allows the ECM to calculate acceleration force. Technician B says that only Hall-effect sensors are used as height sensors. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Which of the following best defines the axis of rotation of a gear or shaft?
A. centerline about which it revolves B. direction of rotation: clockwise or counterclockwise C. endplay D. all of the above