The current relay is built much like a solenoid, with copper wire wrapped around a steel hollow core holding a steel plunger.

Answer the following statement true (T) or false (F)


True

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Waterless urinals installed in the United States trap odors by using a(n) _____.

a. ionizing filter b. mechanical trap c. liquid seal d. one-way valve

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As of December 31, 2013, how many animals were listed on the Endangered and Threatened species lists in the United States?

What will be an ideal response?

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Which one of the following engineering disciplines is most likely to be involved with the design of military aircraft and missiles?

a. Mechanical Engineering b. Civil Engineering c. Electrical Engineering d. Chemical Engineering e. Aerospace Engineering

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Which WTO box can be justified as not being trade distorting by production controls:

a. Green box b. Red box c. Amber box d. Blue box e. Brown box

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