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8005
Which of the following will decrease volumetric efficiency in a reciprocating engine?
| 1. |
Full throttle operation. |
| 2. |
Low cylinder head temperatures. |
| 3. |
Improper valve timing. |
| 4. |
Sharp bends in the induction system. |
| 5. |
High carburetor air temperatures. |
| | A) 2, 4, and 5. |
| | B) 3, 4, and 5. |
| | C) 1, 2, 3, and 4. |
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