If while in level flight, it becomes necessary to use an alternate source of static pressure vented inside the airplane, which of the following variations in instrument indications should the pilot expect?

/in , , /by

(Refer to figure 148.) What is the flight attitude? One system which transmits information to the instruments has malfunctioned.

/in , , /by

On the taxi check, the magnetic compass should

/in , , /by

Without visual aid, a pilot often interprets centrifugal force as a sensation of

/in , , /by