Technician A says that fuel cell cooling systems can use heat exchangers with small surface areas. Technician B says that fuel cell cooling systems must use heat exchangers with large surface areas. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
B
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Which plastics material has the highest thermal expansion value??
A. ?phenol-formaldehyde B. ?silicones C. ?polyethylene D. ?epoxy
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What is the substantial performance doctrine and how does it function?
What will be an ideal response?
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What are the symptoms of a defective oil pump drive coupling?
What will be an ideal response?
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Thermal movement from ____________________ (hot, cold) to ____________________ (hot, cold) is called thermodynamics.
Fill in the blank(s) with the appropriate word(s).
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