How many outer electrons surround each silicon atom?
A. 8
B. 4
C. 2
D. 0
A
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Which of these statements about fiberglass ductboard is correct?
a. It is insulated only if it runs through a conditioned space. b. It is coated on the inside to prevent fiber erosion. c. It is flexible so it can be bent around obstacles. d. It is reinforced with sheet metal in high-pressure applications.
The life of a spark plug is determined by the temperature of combustion, the quality of the electrical system, the correct air-fuel ratio, and good oil control in the cylinder.
Answer the following statement true (T) or false (F)
The posterior dorsal fin, pectoral fins, and caudal fin of the pajama cardinal fish are:
A) colorless B) jet black C) iridescent purple D) white with brown spots
Which of the following dimensions is equivalent to a standard SAE kingpin size?
A. 1.5 inches B. 2.5 inches C. 3.5 inches D. 4.5 inches