34 Questions
What is the primary objective of an applicant at LEVEL 3?
To understand the theory of the subject and its interrelationships with other subjects
What is expected of an applicant in terms of practical application?
To apply knowledge in a practical manner using manufacturer's instructions
What is a key aspect of an applicant's knowledge at LEVEL 3?
A detailed knowledge of the theoretical and practical aspects of the subject
What should an applicant be able to do with mathematical formulae?
Use mathematical formulae in conjunction with physical laws
What is expected of an applicant in terms of describing the subject?
To give a detailed description of the subject using theoretical fundamentals and specific examples
What should an applicant be able to do with sketches, drawings, and schematics?
Prepare and read sketches, drawings, and schematics describing the subject
What is the primary purpose of self-diagnostic systems in aircraft?
To troubleshoot complex digital aircraft systems.
What is the common term for self-contained diagnostics used for electronic/avionics systems troubleshooting?
BITE (Built-In Test Equipment)
What feature is common in simple BITE systems?
A go/no-go red or green LED
What is the advanced diagnostic system used by Airbus?
CFDS (Centralized Fault Display System)
What is the benefit of advanced built-in troubleshooting systems?
They are more easily accessible and understood than older systems.
What is the advanced built-in troubleshooting system used by Boeing?
CMCS (Central Maintenance Computer System)
What is the main purpose of a system test?
To troubleshoot the system after replacing an LRU
What is a watchdog test used for?
To restart the microprocessor if the software fails
What is the purpose of cyclic tests?
To test the system without disturbing its operation
What is the purpose of specific tests in some systems?
To generate stimuli to command devices
What is included in a power-up test?
Test of the microprocessor, memories, data lines, and configuration
What is the benefit of using LRU and BITE concepts?
Reduced aircraft maintenance downtime
What is the primary function of BITE during normal operation?
To monitor internal LRU circuits, inputs and outputs, and links between system LRUs
What happens when a failure occurs in the system?
BITE identifies the possible failed LRU and determines if the failure is intermittent or permanent
What is the purpose of the power-up test?
To ensure compliance with safety objectives
When is the power-up test executed?
After any power cut exceeding 200 milliseconds on the ground
What is stored in the system BITE memory?
BITE information
What advantage does the centralised maintenance device provide?
A single interface location for easy fault identification
What is the primary goal when designing aircraft systems today?
To consider the ability to troubleshoot a system as equally important as the ability to repair or inspect
What is the purpose of the Electronic Flight Instrument System (EFIS)?
To provide primary flight data to the pilots
What is the primary function of the Maintenance Control Display Unit (MCDU)?
To provide maintenance personnel with system information
What is the purpose of the Aircraft Communications Addressing and Reporting System (ACARS)?
To communicate with air traffic control
What is the primary function of the Built-In Test Equipment (BITE)?
To diagnose system faults
What is the purpose of the Inertial Reference System (IRS)?
To provide attitude and heading data
What is the primary function of the Traffic Alert and Collision Avoidance System (TCAS)?
To prevent collisions with other aircraft
What is the purpose of the Electronic Centralised Aircraft Monitoring (ECAM) system?
To provide a centralized monitoring system for aircraft systems
What is the primary function of the Fly-By-Wire (FBW) control system?
To control the aircraft's flight surfaces
What is the purpose of the Flight Management System (FMS)?
To manage the aircraft's flight trajectory
This quiz assesses the applicant's knowledge of engineering and technology concepts, including mathematical formulae, physical laws, and practical applications. It requires a detailed understanding of theoretical and practical aspects of the subject.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
