Answer the following statement(s) true (T) or false (F)
1. The best method of designing a motor control circuit is to solve one requirement at a time.
2. In the accompanying figure, each motor starter coil is protected by a separate overload contact.
3. In the accompanying figure, speed control for a wound rotor motor is obtained by placing
resistance in the secondary or rotor circuit.
4. In the accompanying diagram, when the FIRST SPEED button is pressed, motor starter coil 1M will close and connect the stator of the motor to the power line.
5. In the accompanying figure, auxiliary contact 1M cannot be used as a holding contact.
1. True
2. True
3. True
4. False
5. False
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The wound rotor induction motor is used _____.
a. to start low inertia loads b. for speed control and to limit starting current c. when reduced slip is required d. to increase power factor
The basic accounting formula is assets equals liabilities plus equity.
Answer the following statement true (T) or false (F)
What is the most common cause of low frequency vibration?
A) Defective CV joint B) Defective transmission mount C) Tire or wheel problems D) None of these
Technician A says that the military gear lube classification MIL L 2105D is equivalent to API GL-5. Technician B says that API GL-3 and API GL-4 are not approved for use in current heavy truck differential carriers. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B