Ship's Electrical System Terms Quiz

What is a Generator?

• A machine that converts mechanical energy into electrical energy.

• A device that produces direct current electricity.

• A panel that controls and distributes electrical power.

• A safety device that stops the flow of electricity.

What is an Alternator?

• A type of generator that produces alternating current electricity.

• A device that converts AC to DC electricity.

• A machine that converts electrical energy into mechanical energy.

• A backup generator.

What is a Prime Mover?

• The engine or turbine that drives the generator.

• A device used to initiate the operation of a motor.

• A panel that distributes power.

• A safety device that melts and breaks the circuit.

What does the Main Switchboard (MSB) do?

• Controls and distributes electrical power from the generators.

• Stores electrical energy for emergency systems.

• Converts AC to DC electricity.

• Measures voltage and current.

What is a Busbar?

• A metal strip that distributes electrical power.

• A device that converts electrical energy into mechanical energy.

• A safety device that stops the flow of electricity.

• A panel that controls electrical systems.

What is a Circuit Breaker?

• A safety device that stops the flow of electricity if a fault occurs.

• A device that changes the voltage of an electrical current.

• A machine that converts electrical energy into mechanical energy.

• A tool used to measure voltage.

What is Shore Power?

• The electrical supply provided to the ship when it is docked.

• A backup generator for essential systems.

• A device that converts AC to DC electricity.

• A panel that distributes power.

What is AC (Alternating Current)?

• Electrical current that reverses direction periodically.

• Electrical current that flows in one direction.

• A type of electrical power used for lighting.

• A device that converts electrical energy into mechanical energy.

What is DC (Direct Current)?

• Electrical current that flows in one direction.

• Electrical current that reverses direction periodically.

• A type of electrical power used for motors.

• A safety device that melts and breaks the circuit.

What is a Fuse?

• A safety device that melts and breaks the circuit if the current exceeds a safe level.

• A device that converts AC to DC electricity.

• A panel that controls and distributes electrical power.

• A tool used to measure voltage.