Technician A says the waveform created by AC voltage is typically called a sine wave. Technician B says one complete sine wave is a cycle. Who is correct??
A. ?A only
B. ?B only
C. ?Both A and B
D. ?Neither A nor B
Answer: C
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A combined dead-load and lateral-load support anchor for stone cladding consists of ________.
A) a stainless steel J-shaped bent plate. B) a stainless steel H-shaped bent plate. C) a stainless steel L-shaped bent plate. D) a stainless steel L-shaped bent plate welded to a stainless steel flat plate. E) none of the above.
Answer the following statement(s) true (T) or false (F)
1. The positively charged particle has been given the name proton; the negatively charged particle is called an electron. 2. The nucleus of the atom is the name given to the tightly packed, heavy central core where the protons of the atom are assembled. 3. The arrangement of electrons around the atom determines most of the physical and chemical properties and the behavior of an element. 4. Metals are fairly good conductors of electricity because they have many free electrons that can move from atom to atom. 5. The word ion refers to an electrically balanced atom.
What is the purpose of the venturi on a one-pipe venturi system?
A) The venturi separates air bubbles from the circulating water. B) The venturi creates a negative pressure at the main connection, drawing the necessary flow through the branch. C) The venturi mixes the supply and return water for more even temperatures. D) The venturi increases the pressure in the pipe to offset piping losses.
In the United States, 1 of every _____ people is involved with horses.
Fill in the blank(s) with the appropriate word(s).