The point at which any two sides of a polygon meet is called a(n) _____.
a. junction
b. locus
c. vertex
d. intersection
Answer: C
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While discussing hazards related to solvents, Technician A says that most solvents are flammable, and some can explode. Technician B says some solvents can react with heat or with other substances to create a different hazardous material. Who is right?
A. A only B. B only C. Both A and B D. Neither A nor B
A ____ draws off excessive heat.
A. heat sink B. filler rod C. shielding gas D. weld pool
One unique problem with rooftop units installed in a seacoast area is that:
A) Systems with a high sensible capacity are required because of the low humidity in coastal areas. B) Salt spray accelerates corrosion of metallic parts. C) The prevailing winds reduce the cooling capacity of the condenser. D) Codes in coastal areas typically require a minimum 3 ft ground clearance to allow for flooding.
The difference between system overshoot and system lag is called ____.
A. room temperature B. temperature rise C. temperature swing D. room swing