The scientific definition of “work” and “energy” implies that a person picking up a spoon to eat is work and requires energy
Indicate whether the statement is true or false.
T
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Having to add water to a low-maintenance battery can be an indication of a higher-than-specified charging voltage.
Answer the following statement true (T) or false (F)
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Which of the following could be reasons for poor engine performance in cold weather?
A) Low fuel pressure B) Contaminated fuel C) Insufficient fuel volume D) All of these are correct
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The most common types of defrost for commercial refrigeration evaporators are:
A) Reverse cycle and air defrost. B) Electric and hot-gas defrost. C) Inductive and ultrasonic defrost. D) Mechanical and hydraulic.
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What color is reserved for identifying the high leg of a three-phase, four-wire system?
a. Green b. Grey c. Orange d. White
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