FAA Written Exam questions and answers 100% verified.

FAA Written Exam questions and answers 100% verified. What is one purpose of wing flaps? - correct answers.To enable the pilot to make steeper approaches to a landing without increasing the airspeed. One of the main functions of flaps during approach and landing is to: - correct answers.Increase the angle of descent without increasing the airspeed. What is the purpose of the rudder on an airplane? - correct answers.To control yaw. Which is not a primary flight control surface? A. Flaps B. Stabilator C Ailerons - correct answers.A. Flaps The elevator controls movement around which axis? - correct answers.Lateral. Which statement is true concerning primary flight controls? A. The effectiveness of each control surface increases with speed because there is more flow over them B. Only when all three primary flight controls move in sequence do the airflow and pressure distribution change over and around the airfoil. C. Primary flight controls include ailerons, rudder, elevator, and trim systems - correct answers.A. The effectiveness of each control surface increases with speed because there is more flow over them. Which of the following is true concerning flaps? A. Flaps are attached to the leading edge of the wing and are used to increase wing lift. B. Flaps allow an increase in the angle of descent without increasing airspeed. C. Flaps are high drag devices deployed from the wings to reduce lift. - correct answers.B. Flaps allow and increase in the angle of descent without increasing airspeed. Which device is a secondary flight control? A. Spoilers B. Ailerons C. Stabilators - correct answers.A. Spoilers Trim systems are designed to do what? - correct answers.They relieve the pilot of the need to maintain constant back pressure on the flight controls. The four forces acting on an airplane in flight are: - correct answers.Lift, Weight, Thrust, & Drag When are the four forces that act on an airplane in equilibrium? - correct answers.During unaccelerated flight. What is the relationship of lift, drag, thrust, and weight when the airplane is in straight-and-level flight? - correct answers.Lift equals weight. Thrust equals drag. Which statement relates to Bernoulli's principle? - correct answers.Air traveling faster over the curve upper surface of an airfoil causes lower pressure on the top surface. The term "angle of attack" is defined as the angle... - correct en the wing chord line and the relative wind. Angle of attack is defined as the chord line of an airfoil and the... - correct answers.Direction of the relative wind. The angle of attack at which an airplane wing stalls will... - correct answers.Remain the same regardless of gross weight. As altitude increases, the indicated airspeed at which a given airplane stalls in a particular configuration will... - correct answers.Remain the same regardless of altitude. In what flight condition must an aircraft be placed in order to spin? - correct answers.Stalled. During a spin to the left, which wing(s) is/are stalled? - correct answers.Both wings are stalled. How will frost on the wings of an airplane affect takeoff performance? - correct answers.Frost will disrupt the smooth flow of air over the wing, adversely affecting its lifting capability. Why is frost considered hazardous to flight? - correct answers.Frost spoils the smooth flow of air over the wings, thereby decreasing lifting capability. How does frost affect the lifting surfaces of an airplane on takeoff? - correct answers.Frost my prevent the airplane from becoming airborne at normal takeoff speed. What is ground effect? - correct answers.The result of inference of the surface of the earth with the airflow patterns about an airplane. Floating caused by the phenomenon of ground effect will be most realized during an approach to land when at... - correct answers.Less than the length of the wingspan above the surface. What must a pilot be aware of as a result of ground effect? - correct answers.Induced drag decreases; therefor, any excess speed at the point of flare may cause considerable floating. Ground effect is most likely to result in which problem? - correct answers.Becoming airborne before reaching recommended takeoff speed. What force makes an airplane turn? - correct answers.The horizontal component of lift. An airplane said to be inherently stable will... - correct re less effort to control. What determines the longitudinal stability of an airplane? - correct answers.The location of the CG with respect to the center of lift. Changes in the center of pressure of a wing affect the aircraft's... - correct answers.Aerodynamic balance and controllability. An airplane has been loaded in such a manner that the CG is located aft of the aft CG limit. One undesirable flight characteristic a pilot might experience with this airplane would be... - correct answers.Difficulty in recovering from a stalled condition. What causes an airplane (except a T-tail) to pitch nosedown when power is reduced and controls are not adjusted? - correct answers.The downwash on the elevators from the propeller slipstream is reduced and the elevator effectiveness is reduced Loading an airplane to the most aft CG will cause the airplane to be... - correct answers.Less stable at all speeds. In what flight condition is torque effect the greatest in a single-engine airplane? - correct answers.Low airspeed, high power, high angle of attack. The left turning tendency of an airplane caused by P-factor is the result of the... - correct answers.Propeller blade descending on the right, producing more thrust than the ascending blade on the left. When does P-factor cause the airplane to yaw to the left? - correct answers.When at high angles of attack. The amount of excess load that can be imposed on the wing of an airplane depends upon the... - correct answers.Speed of the airplane. Which basic flight maneuver increases the load factor on an airplane as compared to straight-and-level flight? - correct answers.Turns. During an approach to a stall, an increased load factor will cause the aircraft to... - correct answers.Stall at a high airspeed. In the Northern Hemisphere, a magnetic compass will normally indicate a turn toward the north if... - correct answers.An aircraft is accelerated while on an east of west heading. During flight, when are the indications of a magnetic compass accurate? - correct answers.Only in straight-and-level unaccelerated flight. Deviation in a magnetic compass is caused by the... - correct answers.Magnetic fields within the aircraft distorting the lines of magnetic force. In the Northern Hemisphere, if an aircraft is accelerated or decelerated, the magnetic compass will normally indicate... - correct answers.Correctly when on a north or south heading. In the Northern Hemisphere, a magnetic compass will normally indicate initially a turn toward the west if... - correct answers.A right turn is entered from a north heading. In the Northern Hemisphere, a magnetic compass will normally indicate a turn toward the south when... - correct answers.The aircraft is decelerated while on a west heading. In the Northern Hemisphere, a magnetic compass will normally indicate initially a turn toward the east if... - correct answers.A left turn is entered from a north heading. What should be the indication on the magnetic compass as you roll into a standard rate turn to the right from a south heading in the Northern Hemisphere? - correct answers.The compass will indicate a turn to the right, but at a faster rate than is actually occurring. The pitot systems provides impact pressure for what instrument? - correct answers.Airspeed indicator. Which instrument will become inoperative if the pitot tube becomes clogged? - correct answers.Airspeed. If the pitot tube and outside static vents become clogged, which instruments would be affected? - correct answers.The altimeter, airspeed indicator, & vertical speed indicator. Which instrument(s) wil become inoperative if the static vents become clogged? - correct answers.Airspeed, altimeter, and vertical speed. What does the red line on an airspeed indicator represent? - correct answers.Never-exceed speed. What is an important airspeed limitation that is not coded on airspeed indicators? - correct answers.Maneuvering speed What is absolute altitude - correct answers.The vertical distance of the aircraft above the surface. What is true altitude? - correct answers.The vertical distance of the aircraft above sea level. What is density altitude? - correct answers.The pressure altitude corrected for nonstandard temperature. Under what conditions is pressure altitude and density altitude the same value? - correct answers.At standard temperature. Under what condition is indicated altitude the same as true altitude? - correct answers.When at sea level under standard conditions. Under what condition will pressure altitude be equal to true altitude? - correct answers.When standard atmospheric conditions exist. What is pressure altitude? - correct answers.The altitude indicated when the barometric pressure scale is set to 29.92. Altimeter setting is the value to which the barometric pressure scale of the altimeter is set so the altimeter indicates... - correct answers.True altitude at field elevation. If it is necessary to set the altimeter from 29.15 to 29.85 what change occurs? - correct answers.700 foot increase in indicated altitude. (The altimeter-indicated altitude moves in the same direction as the altimeter setting and changes about 1,000 ft. for every change of 1" Hg.) If a pilot changes the altimeter setting from 30.11 to 29.96 what is the approximate change in indication? - correct answers.Altimeter will indicate 150 feet lower. If a flight is made from an area of low pressure into an area of high pressure without the altimeter setting being adjusted, the altimeter will indicate... - correct answers.Lower than the actual altitude above sea level. If a flight is made from an area of high pressure into an area of lower pressure without the altimeter setting being adjusted, the altimeter will indicate... - correct answers.Higher than the actual altitude above sea level. Which condition would cause the altimeter to indicate a lower altitude than true altitude? A. Air temperature lower than standard B. Atmospheric pressure lower than standard C. Air temperature warmer than standard - correct answers.C. Air temperature warmer than standard. Under what condition will true altitude be lower than indicated altitude? A. In colder than standard air temperature B. In warmer than standard air temperature C. When density altitude is higher than indicated altitude - correct answers.A. Colder than standard air temperature. How do variations in temperature affect the altimeter? - correct answers.Pressure levels are raised on warm days and the indicated altitude is lower than the true altitude. What is a benefit of flying with a glass cockpit? - correct answers.Situational awareness is increased. What steps must be taken when flying with glass cockpits to ensure safe flight? - correct answers.Regularly scan both inside and outside, use all appropriate checklist, and cross-check with other forms of information. An abnormally high engine oil temperature indication may be caused by... - correct answers.The oil level being too low. Excessively high engine temperatures will... - correct answers.Cause loss of power, excessive oil consumption, & possible permanent internal engine damage. Excessively high engine temperatures, either in the air or on the ground, will... - correct answers.Cause loss of power, excessive oil consumption, & possible permanent internal engine damage. For internal cooling, air cooled engines are especially dependent on... - correct answers.The circulation of lubricating oil. If the engine oil temperature and cylinder head temperature gauges have exceeded their normal operating range, the pilot may have been operating with... - correct much power and with the mixture set too lean. What action can a pilot take to aid in cooling an engine that is overheating during a climb? - correct answers.Reduce rate of climb and increase airspeed. What is one procedure to aid in cooling an engine that is overheating. - correct answers.Enrich the fuel mixture. How is engine operation controlled on an engine equipped with a constant-speed propeller? - correct answers.The throttle controls power output as registered on the manifold pressure gauge and the propeller control regulates engine RPM. A precaution for the operation of an engine equipped with a constant-speed propeller is to... - correct answers.Avoid high manifold pressure settings with low RPM What is an advantage of a constant-speed propeller? - correct answers.Permits the pilot to select the blade angle for the most efficient performance. One purpose of the dual ignition system on an aircraft engine is to provide for... - correct answers.Improved engine performance. (also increased safety) If the ignition switch ground wire becomes disconnected, the magneto... - correct answers.May continue to fire. With regard to carburetor ice, float-type carburetor systems in comparison to fuel injection systems are generally considered to be... - correct answers.More susceptible to icing. Which condition is most favorable to the development of carburetor icing? - correct answers.Temperature between 20ºF and 70ºF and high humidity. The possibility of carburetor icing exist even when the ambient air temperature is as... - correct answers.High as 70ºF and the relative humidity is high. If an aircraft is equipped with a fixed-pitch propeller and a float-type carburetor, the first indication of carburetor ice would most likely be... - correct answers.Loss of RPM. The operating principle of float-type carburetors is based on the... - correct answers.Difference in air pressure at the venturi throat and the air inlet. The presence of carburetor ice in an aircraft equipped with a fixed-pitch propeller can be verified by applying carburetor heat and noting... - correct answers.A decrease in RPM and then a gradual increase in RPM. Generally speaking, the use of carburetor heat tends to... - correct answers.Decrease engine performance. Applying carburetor heat will... - correct answers.Enrich the fuel/air mixture. What change occurs in the fuel/air mixture when the carburetor heat is applied? - correct answers.The fuel/air mixture becomes richer. During the run-up at a high-elevation airport, a pilot notes a slight engine roughness that is not affected by the magneto check but grows worse during the carburetor heat check. Under these circumstances, what would be the most logical initial action? - correct answers.Check the results obtained with a leaner setting of the mixture. The basic purpose of adjusting the fuel/air mixture at altitude is to... - correct answers.Decrease the fuel flow in order to compensate for decreased air density. While curising at 9,500 feet MSL, the fuel/air mixture is properly adjusted. What will occur if a descent to 4,500 feet MSL is made without readjusting the mixture? - correct answers.The fuel/air mixture may become excessively lean. Detonation occurs in a reciprocating aircraft engine when? - correct answers.The unburned charge in the cylinders explodes instead of burning normally. Detonation may occur at high-power settings when? - correct answers.The fuel mixture ignites instantaneously instead of burning progressively and evenly. If a pilot suspects that the engine (with a fixed-pitch propeller) is detonating during climb-out after takeoff, the initial course of action to take would be to... - correct answers.Lower the nose slightly to increase airspeed. If the grade of fuel used in an aircraft engine is lower than specified for the engine, it will most likely cause... - correct answers.Detonation. The uncontrolled firing of the fuel/air charge in advance of normal spark ignition is know as... - correct answers.Pre-ignition. What type fuel can be substituted for an aircraft if the recommended octane is not available? - correct answers.The next higher octane aviation gas. Filing the fuel tanks after the last flight of the day is considered a good operating procedure because this will... - correct answers.Prevent moisture condensation by eliminating airspace in the tanks. o properly purge water from the fuel system of an aircraft equipped with fuel tank sumps and afuel strainer quick drain, it is necessary to drain fuel from the... - correct answers.Fuel strainer drain and the fuel tank sumps. On aircraft equipped with fuel pumps, when is the auxiliary electric driven pump used? - correct answers.In the event engine-driven fuel pump fails. Which would most likely cause cylinder head temperature and engine oil temperature gauges to exceed their normal operating ranges? A. Using fuel that has a lower-than-specified fuel rating B. Using fuel that has a higher-than-specified fuel rating C. Operating with higher-than-normal oil pressure - correct answers.A. Using fuel that has a lower-than-specified fuel rating. What should be the first action after starting an aircraft engine? - correct answers.Adjust for proper RPM and check for desired indication on the engine gauges. Should it become necessary to hand prop an airplane engine, it is extremely important that a competent pilot... - correct answers.Be at the controls in the cockpit. An electrical system failure( battery and alternator) occurs during flight. In this situation, you would... - correct answers.Experience avionics equipment failure. A positive indication on an ammeter... - correct answers.Shows the rate of charge on the battery. To keep a battery charged, the alternator voltage output should be... - correct answers.Higher than the battery voltage. Which of the following is a true statement concerning electrical systems? A. The master switch provides current to the electrical system B. The airspeed indicator is driven by the electrical system C. Lights and radios use the electrical system for power - correct answers.C. Lights and radios use the electrical system for power. The numbers 9 and 27 on the approach ends of the runway indicate that the runway is orientated approximately... - correct answers.090* and 270* Magnetic. The numbers 8 and 26 on the approach ends of the runway indicate that the runway is orientated approximately... - correct answers.080º and 260º Magnetic. When approaching taxiway holding lines from the side with the continuous line, the pilot... - correct answers.Should not cross the lines without ATC clearance. What is the purpose of the runway/runway hold position sign? - correct answers.Denotes intersecting runways. What does the outbound destination sign identify? - correct answers.Identifies direction to takeoff runways. When turning onto a taxiway from another taxiway, what is the purpose of the taxi way directional sign? - correct answers.Indicates designation and direction of taxiway leading out of an intersection. What purpose does the taxiway location sigh serve? - correct answers.Identifies taxiway on which an aircraft is located. An airport's rotating beacon operated during daylight hours indicates... - correct answers.That weather at the airport located in Class D airspace is below basic VFR weather minimums. A lighted heliport my be identified by a... - correct answers.Green, yellow, & white rotating beacon. A military air station can be identified by a rotating beacon that emits... - correct answers.Two quick, white flashes between green flashes. How can a military airport be identified at night? - correct answers.Dual peaked (two quick) white flashes between green flashes.