Electrical engineers use various symbols to represent the components that make up

a. a television set
b. a smart phone
c. a computer
d. a printer
e. all of the above


e. all of the above

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Screw conveyors may be controlled individually by variable drive ____ motors.

a. slave b. coupled c. remote d. series

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One of the most important reasons for cloning is to take advantage of genetic superiority.

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

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When installing an oil-fired furnace in a confined space with a firing rate of 100,000 Btuh, what is the minimum free air opening required if the combustion air vents are directly communicating with the outside?

A) 100,000/1,000 = 100 sq in for each grille B) 100,000/4,000 = 25 sq in for each grille C) 100,000/5,000 = 20 sq in for each grille D) 100,000/2,000 = 50 sq in for each grille

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The universal color scheme for causation signs and labels warning of radiation hazards is purple or magenta superimposed on a yellow background.