AISI prefixes include:
A) D B) E C) C D) All of the above
D
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Answer the following statement(s) true (T) or false (F)
1. Synchronous motors are able to operate at the speed of the rotating magnetic field because they are not induction 2. The amortisseur winding provides good starting torque and a relatively high starting current. 3. A synchronous motor should never be started with excitation applied to the rotor. 4. The excitation current should be connected to the rotor only after it has accelerated to a speed that is close to synchronous speed 5. A synchronous motor can not be made to produce a leading power factor.
How would you use the Reference option to rotate a line from 60 degrees to 90 degrees? How would you accomplish the same rotation without using a reference?
What will be an ideal response?
Before starting a new unit, the technician should:
A) Check the unit amp draw. B) Ohm out all electrical components. C) Check the system superheat. D) Perform both a mechanical and electrical precheck.
Word processors and spreadsheet programs are examples of application software
Indicate whether the statement is true or false