Pressurisation

The downward force exerted by a column of air stretching from the surface into space is called?

• Atmospheric pressure

• Gravity

• Pressure differential

What is the atmospheric pressure of air at sea level?

• 14.7 psi

• 13.7 psi

• 12.7 psi

Cabin pressure inside the hill of an aircraft in terms of equivalent altitude above sea level is?

• Cabin altitude

• Pressure altitude

• Differential pressure

The ambient pressure outside the aircraft at an altitude is?

• Cabin altitude

• Pressure altitude

• Differential pressure

The positive pressure between the cabin and outside atmosphere is?

• Cabin altitude

• Pressure altitude

• Differential pressure

Which type of pressurisation control maintains the cabin pressure altitude during flight at various levels?

• Isobaric range

• Differential control

• Manual mode

Which pressurisation control is used to prevent maximum differential pressure from being exceeded?

• Isobaric control

• Differential control

• Manual mode

Which type of pressurisation control is used to turn off isobaric control and the rate of change control is the operation is faulty?

• Isobaric control

• Differential control

• Manual mode

What is the normal rate climb for a pressurised aircraft?

• 500 feet per minute

• 300 feet per minute

• 400 feet per minute

When are "Manual" cabin pressure controllers used?

• Normal operation

• Malfunction of controller

• Overriding system