What is the voltage of the secondary in a transformer with 200 turns in the primary, 20 turns in the secondary, and an input voltage of 2,400V?
a. 120V
b. 230V
c. 240V
d. 480V
c. 240V
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Answer the following statement(s) true (T) or false (F)
1. The squirrel cage induction motor is the most widely used industrial motor. 2. The design of the motor will determine the percentage of slip. 3. The use of an automatic starter and a control station gives greater operating efficiency. 4. Slow and continued speed transfers may activate the overload relays. 5. In an automatic speed control for a two-speed, two-winding three-phase motor, the circuit is so designed that a certain amount of speed must be achieved before the motor can be changed from low to high speed.
Technician Asays that an ammeter should be connected in parallel to the circuit being tested. Technician B says that an ammeter is used to measure current flow. Who is correct?
A. Technician A only B. Technician B only C. Both Technician A and B D. Neither Technician A nor B
Side casings on doors are normally nailed 1/4" back from the edge of the jamb. This distance is referred to as
the _____. a. reveal b. margin c. recess d. offset
BIOS memory ________
A) All of the above B) must retain information when power is removed C) contains the computer operating system D) contains the same code for all computer systems