Engine : Electricity - 495/1386 |
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When rolling over a DC main propulsion motor in local emergency mode or throttle bypass mode, what must be done with the variable rheostat in terms of turning the handle? |
A) turn quickly to the fast position |
B) turn a sufficient amount to assure armature rotation |
C) turn to the fast position until the armature begins to rotate and then turned back to slow |
D) turn quickly to the mid position to energize the field |
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