Obtain the power factor for each of the circuits in Fig. 11.68. Specify each power factor as leading or lagging.
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If unable to tell if the road is becoming icy and slippery, a driver:
a. Should try guessing. b. May open their window and feel the front of the side mirror for ice. c. Should look at the road closely.
Which does not describe an area where chinch bugs are likely to be found?
A) sunny B) sloped C) ?poorly drained D) where fine fescues are predominant
The Council of Air Conditioning and Refrigeration Educators (CARE):
A) Issues a list of approved NATE and ICE testing centers. B) Provides a list of approved textbooks and study materials for HVACR secondary and post-secondary training programs. C) Promotes best educational practices for HVACR schools to meet or exceed the needs of the industry. D) Approves course content taught by HVACR secondary and post-secondary trade schools.
When the air conditioning system is operating all of the following happens inside the evaporator, EXCEPT:
A. the refrigerant removes heat from the in vehicle air. B. the refrigerant changes from a vapor to a liquid. C. heat entering the refrigerant causes it to change state. D. the refrigerant absorbs heat.