The 24 volt DC bus on the emergency...

Question 1 / 205eccefa4bacbc34ba4d4849a

Question 1 of 205eccefa4bacbc34ba4d4849a

The 24 volt DC bus on the emergency switchboard is used to supply power to what system or equipment?

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5eccefa4bacbc34ba4d4849a

The 24 volt DC bus on the emergency switchboard is used to supply power to what system or equipment?

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🔍 Key Concepts

• Emergency switchboard functions under SOLAS and typical shipboard practice • Difference between essential services (like steering and propulsion) and emergency services (like alarms and communications) • Typical voltage and power needs of lighting, motors, and control/communication circuits

💭 Think About

• Which of these loads must remain available even if the main power fails completely, so the crew can control and coordinate emergencies? • Which equipment listed normally requires high-power AC or higher-voltage DC to run motors, versus low-voltage DC for control and signaling? • Think about what a 24-volt DC bus is commonly used for on ships: is it more for heavy machinery power, or for control, alarm, and communication circuits?

✅ Before You Answer

• Identify which options involve large motors that would not normally be fed from a low-voltage 24 V DC bus • Confirm which systems are considered emergency services required by SOLAS to operate on emergency power (especially alarms and communications) • Eliminate any choice that normally runs on main AC power rather than low-voltage DC

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Question 1 of 20

The 24 volt DC bus on the emergency switchboard is used to supply power to what system or equipment?

general alarm and vital communication systems

steering gear power unit motors

main lighting system

propulsion engine lube oil pump motors

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Question 1 / 205eccefa4bacbc34ba4d4849a

Question 1 of 205eccefa4bacbc34ba4d4849a

The 24 volt DC bus on the emergency switchboard is used to supply power to what system or equipment?

Back

Question 1 of 20

5eccefa4bacbc34ba4d4849a

The 24 volt DC bus on the emergency switchboard is used to supply power to what system or equipment?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed