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Engine_2014 : Electricity - 936/2299
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If overloading an electric motor becomes necessary in an emergency situation, what should be done to prevent damage to the motor while allowing sustained operation?
A) cool the motor with portable blowers and fans
B) hold thermal overload relays open with blocks of wood
C) inject small amounts of CO2 into the windings for cooling
D) increase the residual magnetism value of windings to reduce eddy currents
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