What unit is used to measure rectangular conductors?
A. circular mil
B. square mil
C. AWG
D. area mil
Answer: B
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All of the following are commonly accepted rules for determining whether an element is essential
EXCEPT ____.
a. a lack of the element stops plant growth or reproduction b. a shortage of the element can only be corrected by supplying that element c. the element needs only to be in trace supply d. the element is directly involved in plant nutrition
An electrical component that stores energy when an electric charge is forced onto its plates is called a:
A) Triac. B) Diode. C) Resistor. D) Capacitor.
Absorption chillers move refrigerant using
A) heat from steam, hot water, or gas B) reciprocating compressors C) large centrifugal compressors D) steam driven turbines
The windings of an alternator are delta connected. The alternator is producing a line-to-line voltage of 480 V. What is the value of the phase voltage?
A. 480 V B. 120 V C. 277 V D. 831 V