While having a discussion, Technician A says that the estimated life of a joint is eight hours without lubricant. Technician B says that the estimated life is forty-eight hours. Who is correct?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
Answer: A
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When a jack is crossed on a female horse, the resulting offspring is called a _____
a. donkey c. gennet b. colt d. mule
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Quartz and glass panel electric units are classified as ____.
A. natural draft convectors B. forced draft convectors C. forced draft conductors D. radiant heaters
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Zeotropic refrigerant blends condense and evaporate at:
A) Multiple temperatures. B) A single pressure. C) A single temperature. D) Multiple pressures.
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The voltage regulator controls the current through the ________
A) Alternator field B) Alternator brushes C) Rotor D) All of these
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