Controls that use human hair for sensing are:
A) Pressurestats. B) Current overloads. C) Thermostats. D) Humidistats.
D
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Congress has mandated that all gasoline must contain at least _____- ethanol
a. 5% c. 15% b. 10% d. 30%
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What is the HTM for a surface with a U valve of 1.5 and a temperature difference of 30?
A) 1.5 B) 31.5 C) 30 D) 45
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For initial start-up
A) loop gain must be greater than one B) loop gain must be unity C) loop gain must be less than one D) any of the above conditions can start up an oscillator due to a startup spike
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Where would a water regulating valve that is controlling head pressure be installed?
A. water circuit at inlet of condenser B. discharge line at outlet of compressor C. suction line D. liquid line close to the condenser
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