航线复习题《仅供参考》

duyang3816

.Which flight conditions of a large jet airplane create the most severe flight hazard by generating wingtip vortices of the greatest strength?

A.Heavy,slow,gear and flaps up.

B.Heavy,slow,gear and flaps down.

C.Heavy,fast,gear and flaps down.

At which speed will increasing the pitch attitude cause an airplane to climb?

A.Low speed.

B.High speed.

C.Any speed.

What effect does the leading edge slot in the wing have on performance?

A. Decrease profile drag.

B. Changes the stalling angle of attack to a higher angle.

C. Decelerates the upper surface boundary layer air.

.An alternate airport for departure is required

A.if weather conditions are below authorized landing minimums at the departure airport.

B.when the weather forecast at the estimated time of departure is for landing minimums only.

C.when destination weather is marginal IFR.

.Which is a definition of V2 speed?

A.Takeoff decision speed.

B.Takeoff safety speed.

C.Minimum takeoff speed.