The nutrient most often limiting the growth of aquatic plants and algae in unpolluted fresh water lakes is ________
A) P
B) N
C) K
D) S
E) none of the above
A
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The highest pressure that a diesel injection circuit is subject to is known as:
A. maximum system pressure B. peak pressure C. collapse pressure D. NOP
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Refer to the figure above. What is the total load of a feeder serving four 230V motors rated 5hp, 15hp, 20hp, and 40hp?
a. 80A
b. 90A
c. 215.2
d. 241.2
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The number of cyclic wave forms present at one time in an AC circuit is called:
A) Ohms. B) Phase. C) Hertz. D) Frequency.
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An inductor is connected to a 60 Hz circuit. The inductive reactance is 75.4 ?. What is the inductance of the inductor?
A. 0.2 H B. 5 H C. 284 H D. 4524 H
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