?Given a harmonic with a fundamental power frequency of 60 hertz, what would be the frequency of the fourth harmonic?
A. ?120 hertz
B. ?180 hertz
C. ?240 hertz
D. ?300 hertz
Answer: C
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Why did the Ottomans tolerate Christians and Jews living within their borders?
a. They viewed the followers of Muhammad, Christ, and Moses as branches of a single family tree. b. They needed the wealth and commercial skills of Christians and Jews to make up for the lack of expertise among their own Turkish population. c. They admired the superior learning and artistic skills of the Christians and Jews, particularly in the realm of weaponry. d. Their own religion prohibited banking and lending at interest, thus they needed Christians and Jews to act as their bankers.
An actuator logic circuit malfunction can result in ________
A) quick-release B) swollen seals C) false stroking D) cam-limit
How are motorized dampers controlled when they are used as bypass dampers?
A) A pressurestat measures the static pressure across the blower. B) They are wired in parallel with the zone dampers. C) They are wired in series with the zone dampers. D) They are wired using the G terminal on the master thermostat.
____ valves are designed to deliver just the right amount of water each time the toilet is flushed without waste.
A. Water-level B. Fill C. Limiting D. Boundary