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WorksheetsKnowledge Drop 1
Total questions: 15
Worksheet time: 7mins
What is the main goal of predictive maintenance in aerospace?
Repair parts only after failure
Prevent failures before they occur
Ignore sensor data
Fly faster
Who is often credited with popularizing the term "predictive maintenance"?
Nelson Mandela
General Electric (GE)
AeroDet
Wright Brothers
What machine learning approach helps detect faults when the exact faulty instance isn’t labeled?
Multiple (a) Learning
Which of the following is a key advantage of predictive maintenance?
a) Repairs only done after complete breakdown
b) Repairs are scheduled regardless of need
c) Early detection of issues before failure
d) More paperwork for engineers
Which of these data types are commonly used in aerospace predictive maintenance?
Passenger names
Engine vibration
RPM
Temperature
Flight meal preferences
Which of these is NOT a form of aircraft maintenance?
a) Scheduled Maintenance
b) Reactive Maintenance
c) Predictive Maintenance
d) Creative Maintenance
The term for a virtual replica of an aircraft that updates based on real data is (a) twin.
Which year did the Wright brothers achieve their first flight?
a) 1899
b) 1903
c) 1914
d) 1969
Which of these signals is least likely to be used for aerospace predictive maintenance?
a) Vibration
b) Temperature
c) Pressure
d) Favorite color
Multiple Instance Learning is useful when you have labels for the whole flight but not for each individual (a) .
Which are benefits of precursor detection in aerospace? (Select all that apply)
Early warnings before failure
Improved Flight safety
Reduced Downtime
More engine Noise
Cost Optimization
Who leads in global aerospace manufacturing?
Brazil
USA
India
Russia
(a) Learning allows sharing algorithm insights across fleets without transferring flight data.
Which is a challenge for predictive maintenance?
Label scarcity
Automatic Wi-Fi upgrades
Free snacks for pilots
Shorter runways
Which technologies are shaping the future of aerospace data science? (Select all that apply)
Digital Twin
Manual Typewriters
Quantum Neural Models
Self-Optimized Aircraft
Handwritten Logs
