8. Which is the component of an aircraft pressurization system that prevents the pressure inside the cabin from being overpressured? (A)outflow valve (B)safety valve (C)negative pressure-relief valve (D)dump valve.

5. If an aircraft is operating at 40,000 ft. the pressurization ensures that (A)sea level pressure is maintained in the cabin. (B)the cabin pressure is progressively increased until the operational height is reached. (C)the cabin pressure above 10,000 ft. (D)the cabin pressure is equivalent to an altitude of less than 10,000 ft.

8. Which is the component of an aircraft pressurization system that prevents the pressure inside the cabin from being overpressured?
(A)outflow valve
(B)safety valve
(C)negative pressure-relief valve
(D)dump valve.

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