Most alternators use how many diodes to maintain a more constant output voltage?
A. 4
B. 8
C. 3
D. 6
Answer: D
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What is the airflow through a 2 foot by 3 foot hole if the air velocity is 100 feet per minute?
A) 2 × 3 = 6 sq feet; 6 × 100 FPM = 600 CFM B) 2 + 3 = 5 sq feet; 5 × 100 FPM = 500 CFM C) 2 × 3 = 6 sq feet; 100 FPM / 6 = 17 CFM D) 100 CFM
It was clear after the meeting at Mother Bethel Church lead by James Forten in the early 1800s that __________
A) free blacks desired repatriation to Africa B) free blacks would not voluntarily repatriate to Africa C) the institution of slavery was quickly dissolving D) free blacks and slaves would not be able to work together cooperatively
List five types of electric motors commonly found in HVAC equipment.
What will be an ideal response?
The total weight of a powered unit, its trailer, and its load, such as a loaded tractor-trailer, is the
A. gross vehicle weight B. gross combination vehicle weight rating C. gross combination weight D. bridge weight