DC motors

#6. To supply direct current from a generator giving alternating current it is normal to fit:

• Aa commutator
• Ba rotary inverter.
• Can alternator.
• Da static inverter.

#1. Rotary actuators are used for:

• Aundercarriage retraction.
• Bcentre of gravity assessment.
• Coperation of fuel cocks.
• Dmovement of control surfaces.

#2. Actuator normal travel is controlled by:

• Aa clutch.
• Blimit micro switches.
• Cmechanical indicators.
• Dmechanical stops.