What term is used to describe the tendency of an object in motion, to want to stay in motion?
A. Static friction
B. Dynamic friction
C. Kinetic energy
D. Inertia
Answer: D
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When refrigeration compressors are driven by conventional (nonhermetic) motors, the motors and controls are subject to the requirements in _____.
a. NEC Article 420 b. NEC Article 430 c. NEC Article 440 d. NEC Article 450
With what degree of accuracy can current mobile GPS devices read geographic position?
A. 6 feet (2 meters) B. 12 feet (4 meters) C. 100 feet (30 meters) D. 200 feet (61 meters)
____________________ fatty acids are derived from the fats some animals need to produce some hormones and hormone-like substances
Fill in the blank(s) with correct word
A multizone system allows a wide range of temperatures in different zones supplied by a single unit by:
A) Providing a blend of always-available heated and cooled air to any zone. B) Reheating cooled air using strip heaters. C) Using multiple small compressors. D) Piping air from cool zones to warm zones.