Answer the following statement(s) true (T) or false (F)
1. Fuel cells have several moving parts.
2. Molten Carbonate Fuel Cell (MCFC) systems operate at relatively low temperatures.
3. Solid Oxide Fuel Cell (SOFC) systems are unusual in that the fuel cell itself is entirely solid.
4. SOFC electrolytes are ceramics that conduct ions at elevated temperatures.
5. Fuel reformation is an endothermic reaction.
1. False
2. False
3. True
4. True
5. true
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Technician A says that Magnaflux is a crack detection method that is commonly used on aluminum heads. Technician B says that bead blasting is the preferred method for cleaning OHC heads. Who is right?
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
A(n) ____________________ is the unit of light emitted from a light source.
Fill in the blank(s) with the appropriate word(s).
One of Antony’s greatest problems was that
a. he drank too much and was easily led astray by a wily foreigner. b. he had Hellenistic leanings and ambitions. c. few Roman soldiers were willing to fight for a foreign queen. d. Egypt possessed few resources and little wealth with which Antony could pay his soldiers.
The __________ the number of poles used in a stepper motor, the better the resolution.
A. smaller B. larger