Engine_2014 : Motor Plants and Auxiliary Boilers - 2084/2614
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| In using reduction gears to obtain efficient propeller speeds, __________. |
| A) they must be located at the after end of the engine |
| B) they can only be used with one engine at a time |
| C) they eliminate the need for controllable pitch propellers |
| D) they are connected to the engine with a flexible coupling to compensate for misalignment |
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