A three-phase, four-wire system that has the advantage of providing three-phase power and allowing lighting to be connected between any of the secondary phases and the neutral would have a(n) _____.
a. delta secondary
b. wye secondary
c. open delta secondary
d. wild leg secondary
b. wye secondary
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Which of the following is LEAST-Likely to be a type of pliers?
A. Rib joint B. Needle nose C. Allen head D. Slip-joint utility
What is the purpose of the door switch on a walk-in freezer?
A) To energize the interior heaters to make the case a more comfortable temperature B) To turn on the system to offset the added heat from opening the door C) To turn on the light in the case when the door is opened D) To prevent warm air from entering the case by shutting off the fans when the door is opened
Solve the quadratic equation: x2 = 2x- 0.4375.
Fill in the blank(s) with the appropriate word(s).
According to scholars, the flood of precious New World metals into Spain is responsible for all of the following EXCEPT
A. the ballooning of the European money supply. B. the foundations of the modern commercial banking system. C. the growth of capitalism as an economic system. D. a price revolution that dramatically decreased consumer costs. E. the spread of commerce and manufacturing.