Phosphoric acid fuel cells ____________________
A. can achieve a 90% efficiency by utilizing a combined heat and power system that recaptures waste heat
B. have an efficiency that is currently only 30%
C. must be pad mounted outside to control the noise generated
D. take hydrogen and reform it into sulfur oxides
A
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Estimate the probability that a 1 
sheet of aluminum has exactly one flaw, and find the uncertainty in this estimate.
What will be an ideal response?
A hot compressor with an infinite ohm reading between Common and the other two terminals and a reading of 4.3 ohms between the start and run terminals most likely has:
A) An open internal overload. B) A shorted run winding. C) An open common winding. D) An open start winding.
The maximum current that an analog meter movement can handle is called
A) full-scale deflection current B) maximum scale current C) full-load scale current D) maximum surge current
Traverse rate is the rate of speed at which a load moves in a contouring position system.
Answer the following statement true (T) or false (F)