🔍 Key Concepts

• How electromagnetic clutches work (magnetic field pulling friction surfaces together) • Difference between mechanical alignment issues vs. torque transmission issues • What systems typically deal with power factor (electrical vs. mechanical)

💭 Think About

• Which choice actually relates to what a magnetic field can do between two rotating members? • Look at each option and ask: does this describe a mechanical alignment property, a torque/vibration property, or an electrical system property? • Think about where you would expect to see an electromagnetic clutch used on a ship and what benefit it provides when engaging/disengaging power.

✅ Before You Answer

• Eliminate any option that clearly deals with electrical power system correction rather than mechanical drive trains. • Be careful with anything that sounds like it completely eliminates torsional vibration – does any real-world coupling do that? • Ask: does an electromagnetic clutch normally allow large misalignment, or does that describe a different type of flexible coupling?