Ryanair Initial Practice Exam

What is the meaning of CB in aviation terms?

1. Circuit breaker

2. Central Bar

3. Control Board

4. Communication Block

The correct answer is: Circuit breaker

In aviation terms, CB commonly refers to "Circuit Breaker." A circuit breaker is a critical safety device found in an aircraft's electrical system. Its primary function is to automatically interrupt the flow of electricity in the event of an overload or short circuit, thereby protecting electrical circuits from damage and ensuring the safety and reliability of the aircraft's operations. Understanding the significance of circuit breakers is essential, as they prevent potential electrical fires and system failures, which could jeopardize the safety of both the aircraft and its passengers. Proper knowledge of circuit breakers and their locations is crucial for pilots and maintenance personnel, as they need to be able to respond effectively to electrical issues that may arise during flight operations. The other options like Central Bar, Control Board, and Communication Block do not hold specific standard meanings in the context of aviation terminology, making them less relevant in this scenario. Therefore, identifying CB as Circuit Breaker aligns accurately with aviation terminology and safety protocols.