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).
Thermal radiation is electromagnetic energy.
Answer the following statement true (T) or false (F)
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
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.