Pressurization System Quiz

What is cabin altitude?

• Pressure in the cabin expressed in altitude

• Actual altitude of the aircraft

• Pressure outside the cabin

• None of the above

What are the components of the cabin pressurization system?

• Cabin pressure control module

• Two digital cabin pressure controller (CPC)

• Outflow valve and Overboard exhaust valve

• All answer above are true

What is the function of the aircraft pressurization system?

• To create a safe and comfortable atmosphere for passengers

• To maintain cabin pressure at a maximum of 8000 ft

• Both A and B

• None of the above

What is the purpose of the air conditioning and pressurization system in aircraft?

• To supply conditioned air

• To maintain air pressure

• To provide heating and cooling in the cockpit and cabin

• All of the above

What happens when the airplane external pressure decreases to within 0.25 psi of the FLT ALT selection?

• The cruise phase starts.

• The landing phase starts.

• The takeoff phase starts.

• The cabin pressure increases.

What is the maximum differential pressure for takeoff and landing?

• 0.125 psi

• 0.25 psi

• 0.5 psi

• 1 psi

What does the cabin altitude panel indicate?

• Cabin altitude and differential pressure

• Engine temperature

• Fuel level

• Flight speed

What is the standards condition for atmospheric pressure on the Ground or sea level in PSI ?

• 14,7 psi

• 17,4 psi

• 15,7 psi

• 29,92 psi

What is the standards condition for atmospheric temperature on the Ground (0 feet) or sea level in Celsius ?

• 13.0

• 15.0

• 11.0

• 9.1

What is the purpose of the positive pressure relief valves?

• Prevent overpressure damage to the airplane structure

• Prevent negative differential pressure damage

• Control cabin altitude

• Indicate cabin pressure