Systems: Instruments and Avionics Quiz

Question 1 of 9

1. Question

1 point(s)

What is one of the biggest advantages of a glass cockpit compared to traditional gauges?

Provides improved situational awareness by integrating multiple data sources
Eliminates the possibility of system failures
Reduces the need for pilot training on modern avionics

Question 2 of 9

2. Question

1 point(s)

How does a glass cockpit improve redundancy?

It reduces reliance on mechanical components and has built-in backup power and reversionary modes
It includes multiple vacuum-driven backups
It relies solely on analog backups for instrument readings

Question 3 of 9

3. Question

1 point(s)

What key flight instruments are traditionally powered by the vacuum system in a Cessna 172?

Attitude indicator and heading indicator
Turn coordinator and altimeter
Magnetic compass and tachometer

Question 4 of 9

4. Question

1 point(s)

What is the typical vacuum pressure range in a Cessna 172’s vacuum system?

4.5–5.5 inHg
8.5–10.5 inHg
4.5-5.5 PSI

Question 5 of 9

5. Question

1 point(s)

If the vacuum pump fails in flight, what is the primary indication?

Low suction reading on the gauge and failure of the attitude and heading indicators
Failure of the turn coordinator and vertical speed indicator
Flickering avionics displays and autopilot failure

Question 6 of 9

6. Question

1 point(s)

What is the function of the vacuum system’s regulator?

It prevents over-suction and maintains proper pressure for gyro operation
It removes moisture from the vacuum lines
It automatically shuts down the vacuum system when pressure is too high

Question 7 of 9

7. Question

1 point(s)

In a glass cockpit, how is the heading indicator typically powered?

Electric power and internal solid-state sensors
Engine-driven vacuum pump
Mechanical gyroscope with a pneumatic drive

Question 8 of 9

8. Question

1 point(s)

What role does the suction filter play in a vacuum system?

It removes contaminants before air enters the gyroscopic instruments
It cools down the vacuum pump during operation
It prevents engine oil contamination in the vacuum system

Question 9 of 9

9. Question

1 point(s)

During preflight, what should the pilot check regarding the vacuum system?

Ensure the vacuum gauge reads between 4.5–5.5 inHg during engine run-up
Check that the turn coordinator is powered by vacuum suction
Verify that the vacuum pump is making a high-pitched noise

Aircraft Systems Course

Systems: Instruments and Avionics Quiz

Jon K