
| Engine_2014 : Motor Plants and Auxiliary Boilers - 1371/2614 |
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| When high firing pressures and low exhaust temperatures occur simultaneously in a diesel engine, this may be a result of __________ . |
| A) decreased piston-to- cylinder head clearance |
| B) increased exhaust back pressure |
| C) early timing of fuel injection |
| D) low scavenge air temperature |
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