Engine_2014 : Motor Plants and Auxiliary Boilers - 1719/2614
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| A Roots-type blower installed on some diesel engines, serves to __________ . |
| A) heat the cylinder for hotter compression |
| B) push out exhaust gases and replace them with fresh air |
| C) force cool air across the radiator, lowering the jacket water temperature |
| D) maintain a positive charge of fresh air in the crankcase thus eliminating the chances of a crankcase explosion |
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