Label D represents the



A) pulmonary veins.

B) pulmonary trunk.

C) pulmonary arteries.

D) superior vena cava.

E) inferior vena cava.


C) pulmonary arteries.

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The Lepelletier design of planetary gear sets are used in some six- and seven-speed transmissions.

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

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

1. The two most important control issues in fuel cells are water and heat.
2. In general, input air should be in excess of 20% humidity for SPFC (PEM) cells to operate efficiently.
3. While there are many hydrocarbon fuels that can serve as feed gases for reformation, the simplest is oxygen.
4. In the steam reformation reactions, steam is recycled through the system at high temperatures to the reformation anode and the following reaction occurs:
5. In general, SPFC (PEM) cells might convert only half the available energy to electricity with the other half converted to heat.

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A surface-mounted fluorescent fixture must be installed so that there is at least __________ inches from the lamps to the nearest storage space in a clothes closet.

a. 3 b. 6 c. 8 d. 12

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Thin solid extension lines are used to connect between non-cylindrical features, parts, and subassemblies. These lines are called connection lines or trails.

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

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