A tree ________________________ is a machine that removes the limbs of trees
Fill in the blank(s) with correct word
processor
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Answer the following statement(s) true (T) or false (F)
1. Variable-speed motors are commonly used to operate light loads such as ceiling fans and blower motors. 2. One type of variable-voltage control uses a triac to control the amount of voltage applied to the motor. 3. A light dimmer can be adapted for use as a motor speed controller. 4. Triac light dimmers are intended to be used with resistive loads such as incandescent lamps. 5. Series impedance control is accomplished by connecting a tapped inductor in parallel with the motor
Match the following:
1. Compresses the dc current to control the loudness 2. Provides auditory feedback from mouthpiece to earpiece 3. Indicates the status of the phone 4. made up of an 8 ohm speaker 5. automatically adjusts sound levels 6. contains a microphone 7. Produces an ac voice signal riding on a dc current 8. The plastic button on the earpiece of a standard phone 9. Controls voice feedback to the earpiece 10. Contains two thin metal plates that vibrate as you speak A. Mouthpiece B. Earpiece C. Hook Switch D. Duplex Coil E. Compensator
Identify the material used to make these pipes.
A. Aluminum B. Steel C. Plastic D. Rubber
Technician A says that a wye-wound stator produces more maximum output than the same alternator equipped with a delta-wound stator. Technician B says that an alternator equipped with a delta-wound stator produces more maximum output than a wye-wound stator. Who is right?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B