A single-phase electrical device in a building draws 37 A and is supplied with two type THWN copper wires in a conduit. The conduit is run up through the cores of concrete blocks in a building. The wire ampacity is to be sized at 125% of the 37 A, which is 46.25 A. The minimum size of wire permitted is AWG number ____.
A. 4
B. 6
C. 8
D. 10
Answer: C
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Britain made neutrality very difficult for the United States during the French and British conflicts of the 1790s by
A. granting America numerous trade privileges. B. seizing American merchant ships in the West Indies. C. leaving frontier outposts on American soil. D. helping to relieve tensions between Indians and Americans. E. blocking the major United States' seaports.
The burning of fossil fuels gives off
What will be an ideal response?
An air leak in the ductwork between the MAF sensor and the throttle plate could cause an engine to run too lean.
Answer the following statement true (T) or false (F)
Technician A says chlorine in CFC-12 (R-12) refrigerant may destroy ozone molecules for over a century. Technician B says O3 is destroyed and created by UV radiation. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B