Engine : Motor Plants and Auxiliary Boilers - 34/947
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| Which of the following reasons represents why the designed compression ratio of a gasoline engine is lower than that of a diesel engine? |
| A) Compression must be low for smooth operation. |
| B) The heat of compression is not used as an ignition source of the fuel. |
| C) Compression must be low to have effective pre-ignition. |
| D) Compression must be low for effective spark ignition. |
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