Engine : Motor Plants and Auxiliary Boilers - 341/947
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| The diesel engine rocker arms shown in the illustration serve to __________. Illustration MO-0122 |
| A) convert rotational energy to reciprocating pressures |
| B) operate the exhaust and starting valves |
| C) open the exhaust valves and operate the unit injectors |
| D) open the intake and exhaust valves |
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Illustration MO-0122
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