A320 Tech Quiz #14

28th April 2025

Welcome to this week’s A320 Tech Quiz! Whether you’re just getting started or you’ve been flying the A320 for years, this quiz will challenge your knowledge and help you sharpen your skills on the fundamentals of the Airbus A320.

Instructions:

• Test yourself to see how well you know the A320 systems and procedures.

• Record your answer to each question and post your score in the comment section.

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Questions:

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Question 1.

What happens in an crew oxygen mask overpressure situation?

A. The system reduces the oxygen flow until pressure drops

B. A frangible disc ruptures to release oxygen overboard

C. The pressure regulator balances the pressure between tanks

D. The system redirects the oxygen to the avionics ventilation duct

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Question 2.

What is DC BAT BUS normally powered by?

A. DC BUS 1 and DC BUS 2

B. DC BUS 2

C. DC BUS 1 through a DC tie control relay

D. DC BUS 2 through a DC tie control relay