MPOW MID RevQ

What is the primary source of electric power on board ships?

• Solar panels
• Onboard generators
• Wind turbines
• Battery banks

Tags

NGSS.HS-PS3-3

What is the main purpose of electrical switchboards on ships?

• Power generation
• Cableway maintenance
• Power distribution and control
• Equipment cooling

How are switchboards classified in terms of voltage?

• High voltage only
• Low voltage only
• Both low and high voltage
• Medium voltage only

Which panel in the main switchboard distributes power to the main bus bar from the main generator?

• Synchronizing panel
• Feeder panel
• Generator panel
• Emergency panel

What is the purpose of a dead front on the switchboard surface?

• Decoration
• Operator protection
• Power generation
• Voltage regulation

During an emergency stop, what component in the feeder panel ensures safety by shutting off the circuit?

• Molded case circuit breaker (MCCB)
• Synchronizing panel
• Generator panel
• Transformer

What function does the synchronizing panel serve in conventional switchboards?

• Voltage regulation
• Operating two generators in parallel
• Emergency shutdown
• Cableway opening and closing

What is the role of the automatic voltage regulator (AVR) in switchboards?

• Regulating generator voltage
• Tripping off circuits
• Protecting against reverse power
• Opening and closing contacts

Which component protects circuits against abnormal current by melting a thin alloy?

• Transformer
• Relay
• Fuse
• AVR

What does the resistance of human skin depend on?

• Temperature
• Color
• Voltage
• Humidity

Tags

NGSS.HS-PS2-5