Engine: Electricity

1. A Non-reversing squirrel cage induction motor with reduced voltage autotransformer starting
2. B Reversing squirrel cage induction motor with across-the-line starting
3. C Reversing squirrel cage induction motor with reduced voltage autotransformer starting
4. D Non-reversing squirrel cage induction motor with reduced voltage primary reactor starting

Tip: press A-D to answer