1	Test data indicate that ice, snow, or frost having a thickness and roughness similar to medium or coarse sandpaper on the leading edge and upper surface of an airfoil can increase drag and reduce lift by as much as 25 percent. reduce lift by as much as 30 percent and increase drag by 40 percent. reduce lift by as much as 50 percent and increase drag by as much as 50 percent.
2	What is the relationship between centrifugal force and the horizontal lift component in a coordinated turn? Horizontal lift and centrifugal force are equal. Centrifugal force exceeds horizontal lift. Horizontal lift exceeds centrifugal force.
3	The rate of turn at any airspeed is dependent upon the vertical lift component. centrifugal force. the horizontal lift component.
4	During a constant bank level turn, what effect would an increase in airspeed have on the rate and radius of turn? Rate of turn would decrease, and radius of turn would decrease. Rate of turn would increase, and radius of turn would increase. Rate of turn would decrease, and radius of turn would increase.
5	Rate of turn can be increased and radius of turn decreased by increasing airspeed and increasing the bank. decreasing airspeed and increasing the bank. decreasing airspeed and shallowing the bank.
6	The primary reason the pitch attitude must be increased, to maintain a constant altitude during a coordinated turn, is because the use of pedals has increased the drag. thrust is acting in a different direction, causing a reduction in airspeed and loss of lift. vertical component of lift has decreased as the result of the bank.
7	The primary reason the angle of attack must be increased, to maintain a constant altitude during a coordinated turn, is because the thrust is acting in a different direction, causing a reduction in airspeed and loss of lift. use of ailerons has increased the drag. vertical component of lift has decreased as the result of the bank.
8	Precision Runway Monitoring (PRM) is: a RADAR system for monitoring approaches to closely spaced parallel runways. a high update rate RADAR system for monitoring multiple aircraft ILS approaches to a single runway. an airborne RADAR system for monitoring approaches to two runways.
9	What information does a Mach meter present? The ratio of aircraft true airspeed to the speed of sound. The ratio of aircraft indicated airspeed to the speed of sound. The ratio of aircraft equivalent airspeed, corrected for installation error, to the speed of sound.
10	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? The altimeter will read lower than normal, airspeed lower than normal, and the VSI will momentarily show a descent. The altimeter will read higher than normal, airspeed greater than normal, and the VSI will momentarily show a climb. The altimeter will read lower than normal, airspeed greater than normal, and the VSI will momentarily show a climb and then a descent.

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