The controller for a humidifier, a humidistat, has a power element that is ____ sensitive.
A. moisture
B. light
C. infrared
D. temperature
Answer: A
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Referring to Fig. 4.91, use source transformation to determine the current and power absorbed by the 8-? resistor.
 FIGURE 1.png)
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The correct way to discharge a capacitor is:
A) To touch both ends of an 18 gauge wire across the terminals. B) To connect 240 volts AC to the terminals. C) To touch both ends of a 20k ohm 5 watt resistor across the terminals. D) To short across the terminals with a screwdriver.
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To ensure correct operation, how often should the nozzle be replaced?
A) Every 18 months B) Every year C) Every 6 months D) Every 3 years
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Welding must not be conducted next to degreasing operations due to:
A) Argon gas B) Phosgene gas C) Nitrogen gas D) Methane
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