Engine : Electricity - 1186/1386
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| How is a short in the shunt field of a DC motor best located? |
| A) applying AC voltage to the shunt field circuit and measuring the voltage drop across each field coil |
| B) isolating each coil from the others and using a megohmmeter |
| C) visual inspection of the commutator |
| D) using a growler and hacksaw blade |
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