Of the following listed single-phase induction motors, which has the highest starting torque?

Correct Answer: Option B — capacitor start induction run motor

Capacitor-start, induction-run motors provide the highest starting torque among single-phase induction motors. The large phase displacement created by the starting capacitor produces a strong rotating magnetic field at standstill. This makes them ideal for heavy-duty marine applications like compressors or pumps that must start under significant mechanical load.