Engine_2014 : General Subjects - 54/3524
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| A gear train is constructed with only two gears: a 2-inch (50.5 mm) diameter driving gear and a driven bull gear to rotate a propeller at 200 rpm. If the speed of the driving gear is 4,800 rpm, what is the diameter of the driven gear? |
| A) 6 inches (152.4 mm) |
| B) 12 inches (304.8 mm) |
| C) 24 inches (609.6 mm) |
| D) 48 inches (1219.2 mm) |
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