38. An annular combustion chamber consists of (A)an air tube and a flame tube. (B)an outer skin and an inner and outer flame skin. (C)a series of flame tube in an air annulus. (D)S row flame tube

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.

38. An annular combustion chamber consists of
(A)an air tube and a flame tube.
(B)an outer skin and an inner and outer flame skin.
(C)a series of flame tube in an air annulus.
(D)S row flame tube

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