The number of cyclic wave forms present at one time in an AC circuit is called:

A) Ohms. B) Phase. C) Hertz. D) Frequency.


B

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A nursery-grown transplant is often called a ________.

Fill in the blank(s) with the appropriate word(s).

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To install a test blind, make room for the blind and the gaskets with _____.

a. a pry bar b. a jack c. a come-along d. flange spreaders

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What is a “cascade” system?

a. The low temp system evaporator cools the condenser of the high temp system. b. The high temp system evaporator cools the condenser of the low temp system.

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Thermal radiation is electromagnetic energy.

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

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