| What equipment for modern SCR rectified DC propulsion drive systems is usually included in the package? |
| A) propulsion generators which produce DC power that is directly delivered to the series wound DC propulsion motor |
| B) propulsion generators which produce AC power that is converted to DC power for the shunt wound DC propulsion motor |
| C) propulsion generators which produce AC power that is directly delivered to the synchronous AC propulsion motor |
| D) propulsion generators which produce DC power that is converted to AC power for the propulsion motor |
