Question #6
If a three-phase 75 kVA transformer is connected to the primary at 480 volts and 120/208 volts on the secondary, then the full load current of the transformer secondary would be which of the following:
A. 240 amps
B. 208 amps
C. 90 VA
D. 25 VA
Question #7
In order to correct the power factor, a three-phase, 480 volt, 92 kVAR capacitor bank located 6 feet from the main service of a 3200 square foot office building has a minimum required ampere rating for the conductors in the capacitor bank of which of the following:
A. 240 amps
B. 180 amps
C. 150 amps
D. 110 amps
Question #8
In an 8 unit apartment building, each kitchen contains a 3.5 kW 240 volt electric range. The demand load for the electric service to the building must include an allowance for the minimum demand load of all of the ranges, which would be which of the following:
A. 28 kVA
B. 21 kVA
C. 14 kVA
D. 7.5 kVA
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