Quiz Hotel Service Unit 2 Safety Q5

1 / 5

What is the purpose of overcurrent protection devices on a vessel's main switchboard?

B) To prevent excessive current from damaging electrical components

C) To prevent corrosion on electrical contacts

A) To maintain proper voltage regulation

D) To balance the electrical load between different systems

2 / 5

Why is an earth fault indicator installed on the main switchboard of a vessel?

C) To ensure proper grounding of equipment

A) To monitor voltage fluctuations

B) To detect and alert operators to an insulation failure or earth fault in the electrical system

D) To control the temperature of electrical cables

3 / 5

Why is a reverse power relay fitted to the main switchboard of a vessel?

A) To ensure stable power output from the generators

D) To synchronize multiple generators

B) To protect the generator by disconnecting it from the system if reverse power flow is detected

C) To regulate fuel consumption

4 / 5

What is the role of under-voltage protection on a vessel’s main switchboard?

B) To disconnect electrical circuits when the voltage drops below a certain level to protect equipment

A) To prevent electrical overloading

D) To manage power distribution between multiple generators

C) To regulate fuel supply to the generator

5 / 5

What is the primary function of a circuit breaker on the main switchboard of a vessel?

B) To prevent overloading by automatically disconnecting the electrical circuit in case of a fault

D) To monitor power consumption

C) To control the temperature of the switchboard

A) To regulate voltage levels

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