Engine : Gas Turbines - 354/277
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| Which of the following is the principle that a magnetic speed sensor/pickup operates on? |
| A) Voltage is produced when a ferrous material moves through a magnetic field. |
| B) Vibration caused by shaft rotation can determine the speed of rotation. |
| C) Force is the product of mass and acceleration. |
| D) Variations in the earth’s magnetic field are caused by ferrous materials |
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