Aux 1 Unit 15 Q9

1 / 10

Which of the following is NOT typically considered a main consumer supplied by the emergency switchboard?

B) Bilge and fire pumps

D) Steering gear

C) Engine room ventilation system

A) Fire detection and alarm systems

2 / 10

In a vessel’s electrical distribution system, what is the primary purpose of the distribution panels connected to the main switchboard?

A) To generate electricity

D) To control the vessel's speed

C) To store electrical energy

B) To distribute power to specific areas or systems on the vessel

3 / 10

In a vessel’s electrical distribution system, what is the primary function of the main switchboard?

C) To store electrical energy

D) To monitor fuel levels

B) To distribute electrical power from the main generators to various consumers on the vessel

A) To generate electrical power

4 / 10

What is the role of the emergency generator in a vessel's electrical distribution system?

A) To supply power to non-essential services

B) To provide power to essential systems when the main generators fail or during an emergency

C) To increase the vessel’s speed

D) To charge the vessel’s batteries

5 / 10

Which of the following is typically supplied by the emergency switchboard in the event of a main power failure?

A) Air conditioning system

D) Galley equipment

B) Navigation lights and emergency lighting

C) Entertainment systems

6 / 10

What is the purpose of having an automatic transfer switch (ATS) in the electrical distribution system?

D) To reduce the electrical load on the system

C) To manually start the emergency generator

A) To automatically switch the power supply from the main generators to the emergency generator when a power failure occurs

B) To increase the voltage of the electrical system

7 / 10

Why is it important to monitor the performance of the emergency alternator during the MCA recommended test?

B) To ensure the alternator starts automatically and supplies power to the emergency switchboard without any issues

D) To reduce the load on the main generators

A) To check if the alternator is running faster than normal

C) To measure the fuel consumption of the alternator

8 / 10

What is the first step in the MCA recommended procedure for testing the emergency alternator?

B) Simulate a blackout condition by turning off the main power supply to the emergency switchboard

C) Start the main generator

D) Manually operate the emergency alternator

A) Disconnect the emergency alternator from the emergency switchboard

9 / 10

Which component is critical in ensuring that power is only supplied to essential systems when the vessel is operating on emergency power?

C) The vessel's propulsion system

A) Circuit breakers on the main switchboard

D) The vessel's ballast pumps

B) Load shedding devices on the emergency switchboard

10 / 10

After completing the MCA recommended procedure for testing the emergency alternator, what should be done?

C) Shut down the main generators

A) Increase the load on the alternator to its maximum capacity

B) Record the test results and reset the system to normal operation, ensuring that all systems return to their original state

D) Disconnect the alternator permanently

Your score is