Engine : Motor Plants and Auxiliary Boilers - 265/947
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| A diesel engine with a full speed of 1000 RPM drives a propeller at 300 RPM. What is the speed reduction ratio? |
| A) 0.3 to 1 |
| B) 3.33 to 1 |
| C) 33 to 1 |
| D) 300 to 1 |
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