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?

Question

Accepted Answer

turn a sufficient amount to assure armature rotation

Answer

turn to the fast position until the armature begins to rotate and then turned back to slow

Answer

turn quickly to the mid position to energize the field

Answer

turn quickly to the fast position

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