Engine : Motor Plants and Auxiliary Boilers - 1203/947
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| When a naturally aspirated four-stroke cycle diesel engine is converted for supercharging, which of the following changes must be made to the valve timing? |
| A) The intake valve opening is advanced and the exhaust valve closing is retarded. |
| B) The intake valve opening is unchanged and the exhaust valve closing is advanced. |
| C) The intake valve opening is retarded and the exhaust valve closing is advanced. |
| D) The intake valve closing is retarded and the exhaust valve closing is advanced. |
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