Engine : Motor Plants and Auxiliary Boilers - 293/947
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| Which statement about diesel engine combustion is true? |
| A) Combustion does not begin until the piston starts down on the power stroke. |
| B) Maximum combustion pressure is reached before TDC. |
| C) Turbulence in the cylinder causes a delay in ignition. |
| D) Maximum cylinder firing pressure is not developed until the piston passes TDC. |
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