Answer the following statement(s) true (T) or false (F)

1. Alkaline Fuel Cells (AFC) operate at high temperatures.
2. SPFC (PEM) systems are low temperature and relatively low pressure systems that produce a large amount of electricity for the size of the cells used.
3. PAFC systems are low temperature systems that use carbon as a fuel.
4. SOFC systems do not need precious metal catalysts and instead use much lower cost metal.
5. The smaller the cell (or stack) the more problems high temperatures will cause.


1. False
2. True
3. False
4. True
5. False

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What will be an ideal response?

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Some ways to prevent chatter when cutting off material with a parting tool are to use:

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