Phantom loads, also referred to as ____, are the small amounts of electricity that many appliances and electronics use even when they appear to be turned off.
A. ghosts
B. spirits
C. vampires
D. angels
Answer: C
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Answer the following statement(s) true (T) or false (F)
1. The brain of the frost-free appliance is the defrost relay. 2. The defrost timer is operated by a single-phase synchronous motor. 3. The cam can be manually turned to the position so that the defrost cycle is turned on. 4. Many large commercial refrigeration units often use a separate timer clock to control the defrost cycle. 5. Defrost timers generally have several timed settings.
Which of the following is a moral and ethical consequence of noncompliance with regulations?
A) Criminal charges B) Lawsuits filed by injured workers C) Burden of contributing to injuries or deaths D) Fines levied by federal, state, or local regulatory agencies
____ result(s) from excessive heat, temperature, and filler metal during welding.
A. Porosity B. Grapes C. Suck back D. Incomplete penetration
___________ is the number of times a cycle occurs within one second.
A. Duty cycle B. Duration C. Multiplexing D. Frequency