Description : Which statement is true relative to changing angle of attack? a. A decrease in angle of attack will increase pressure below the wing and decrease drag b. An increase in angle of attack will ... of attack will increase drag d. An increase in angle of attack will decrease the lift coefficient
Last Answer : c. An increase in angle of attack will increase drag
Description : What effect does aspect ratio have on induced drag? a. Increased aspect ratio increases induced drag b. Increased aspect ratio reduces induced drag c. Changing aspect ratio has no effect on induced drag d. Induced drag will equal 1:3 x aspect ratio/chord ratio
Last Answer : b. Increased aspect ratio reduces induced drag
Description : By changing the angle of attack of a wing, the pilot can control the aeroplane’s: a. Lift and airspeed, but not drag b. Lift, gross weight and drag c. Lift, airspeed and drag d. Lift and drag, but not airspeed
Last Answer : c. Lift, airspeed and drag
Description : What is the effect of deploying leading edge flaps? a. Increased minimum glide angle b. Decreased minimum glide angle c. Increased glide range d. Decreased sink rate
Last Answer : d. Decreased sink rate
Description : Which statement best describes the operating principle of a constant-speed propeller? a. As throttle setting is changed by the pilot, the prop governor causes pitch angle of the propeller blades to ... the pilot, the RPM of the engines remains constant as the pitch angle of the propeller changes
Last Answer : b. The propeller control regulates the engine RPM and in turn the propeller RPM
Description : What flight condition should be expected when an aircraft leaves ground effect? a. A decrease in parasite drag permitting a lower angle of attack b. An increase induced drag and a requirement ... increase in dynamic stability d. A decrease in induced drag requiring a smaller angle of attack
Last Answer : b. An increase induced drag and a requirement for a higher angle of attack
Description : The maximum induced drag occurs at a speed of: a. VMD b. VMP c. VSO d. VATO
Last Answer : c. VSO
Description : If the angle of attack is increased beyond the critical angle of attack, the wing will no longer produce sufficient lift to support the weight of the aircraft: a. Unless the airspeed is greater ... below the natural horizon d. In which case, the control column should be pulled-back immediately
Last Answer : b. Regardless of airspeed or pitch attitude
Description : Two aircrafts, one with a sharp wing profile (S) and the other with a thick profile (T), are flying through the same cloud with the same true airspeed. The cloud consists of small ... aircrafts accumulate ice due to the small size of droplets d. Aircraft S experiences more icing than T
Last Answer : d. Aircraft S experiences more icing than T
Description : What is the purpose of inboard ailerons? a. To reduce wing bending at high speed b. To reduce wing twisting at low speed c. To reduce wing bending at low speed d. To reduce wing twist at high speed
Last Answer : d. To reduce wing twist at high speed
Description : A pressure head is subject to the following errors: a. Position, manoeuvre induced, temperature b. Position, manoeuvre induced c. Position, manoeuvre induced, density d. Position, manoeuvre induced, instrument
Last Answer : d. Position, manoeuvre induced, instrument
Description : To maintain altitude, what must be done as Indicated Airspeeed (IAS) is reduced? a. Decrease angle of attack to reduce the drag b. Increase angle of attack to maintain the correct lift force c. Deploy the speed brakes to increase drag d. Reduce thrust
Last Answer : b. Increase angle of attack to maintain the correct lift force
Description : Which statement is true regarding the opposing forces acting on an aeroplane in steady-state level flight? a. Thrust is greater than drag and weight and lift are equal b. These forces are equal ... greater than weight d. Thrust is slightly greater than lift, but the drag and weight are equal
Last Answer : b. These forces are equal
Description : The best EAS/Drag ratio is approximately: a. 1.3 VMD b. 1.32 VMD c. 1.6 VMD d. 1.8 VMD
Last Answer : b. 1.32 VMD
Description : At a constant mass and altitude, a lower airspeed requires: a. More thrust and a lower coefficient of lift b. Less thrust and a lower coefficient of lift c. More thrust and a lower coefficient of drag d. A higher coefficient of lift
Last Answer : d. A higher coefficient of lift
Description : When does THRUST = DRAG? a. Climbing at a constant IAS b. Descending at a constant IAS c. Flying level at a constant IAS d. All of the above
Last Answer : c. Flying level at a constant IAS
Description : With what a met phenomenon is wind shear most associated? a. Thunderstorms b. Passage of a warm front c. Tropical revolving storms d. Standing mountain waves
Last Answer : a. Thunderstorms
Description : What causes wind? a. Difference in pressure b. Rotation of the earth c. Frontal systems d. Difference in temperature
Last Answer : a. Difference in pressure
Description : In aircraft operation, the centre tank is used up before wing tanks? Why?
Last Answer : In normal operation, first fuel from the centre tank is used and then from wing inner fuel cell and at last from the wing outer cell. The centre tank is used first in order to obtain better ... the fuel can flow from wing to engine under gravity also which is not possible from the centre tank.
Description : If the weight of an aircraft is increased the maximum gliding range: a. Decreases b. Increases c. Remains the same, and rate of descent is unchanged d. Remains the same, but rate of descent increases
Last Answer : d. Remains the same, but rate of descent increases
Description : If the ailerons are deflected to 10°, compared to 5°, this will cause: a. An increased angle of bank b. An increased rate of roll c. No change to either bank angle or roll rate d. A reduction in the adverse yawing moment
Last Answer : b. An increased rate of roll
Description : What true airspeed and angle of attack should be used to generate the same amount of lift as altitude is increased? a. A higher true airspeed for any given angle of attack b. The same true ... c. A lower true airspeed and higher angle of attack d. A constant angle of attack and true airspeed
Last Answer : a. A higher true airspeed for any given angle of attack
Description : If a landing is to be made without flaps, the landing speed must be: a. reduced b. increased c. the same as for landing with flaps d. the same as for landing with flaps but with a steeper approach
Last Answer : b. increased
Description : t higher elevation airports the pilot should know that indicated airspeed: a. will be unchanged but ground speed will be faster b. will be higher but ground speed will be unchanged c. should be increased to compensate for the thinner air d. should be higher to obtain a higher landing speed
Last Answer : a. will be unchanged but ground speed will be faster
Description : What criteria determine which engine is the critical engine of a twin-engine aeroplane? a. The one with the center of thrust farthest from the centreline of the fuselage b. The one ... the manufacturer which develops most usable thrust d. The failure of which causes the least yawing moment
Last Answer : b. The one with the center of thrust closest to the centreline of the fuselage
Description : The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge) (A) x1.5 (B) x0.8 (C) x-1.5 (D) x-0.8
Last Answer : (B) x0.8
Description : The maximum induced drag occurs at a speed of :
Last Answer : VSO
Description : During a slow decompression, passengers will occur: a. The cabin temperature will fall as pressure reduces b. Body cavities (sinuses, ears, etc.) will become pressurised and may require assistance in ... will operate d. No contra effects, as slow decompression has no effect on the human body
Last Answer : b. Body cavities (sinuses, ears, etc.) will become pressurised and may require assistance in venting
Description : The greater the pressure gradient the: a. Closer the isobars and the lower the temperatures b. Further the isobars will be apart and the higher the temperature c. Closer the isobars and the stronger the wind d. Further the isobars will be apart and the weaker the wind
Last Answer : c. Closer the isobars and the stronger the wind
Description : The station pressure used in surface weather charts is: a. QNE b. QFF c. QFE d. QNH
Last Answer : a. QNE
Description : Which constant pressure altitude chart is standard for a 30,065 ft pressure level (FL 300)? a. 200 hPa b. 700 hPa c. 500 hPa d. 300 hPa
Last Answer : d. 300 hPa
Description : You are cruising at FL 200, OAT is -40°C, sea level pressure is 1033 hPa. Calculate the true altitude. a. 20,660 ft b. 21,740 ft c. 18,260 ft d. 19, 340 ft
Last Answer : d. 19, 340 ft
Description : The isobars drawn on a surface weather chart represent lines of equal pressure: a. At flight level b. At height of observatory c. At a determined density altitude d. Reduced to sea level
Last Answer : d. Reduced to sea level
Description : An inversion is: a. A decrease of pressure with height b. A decrease of temperature with height c. An increase of temperature with height d. An increase of pressure with height
Last Answer : c. An increase of temperature with height
Description : You are flying at FL170. The pressure level which is closest to you is the: a. 300mb b. 700mb c. 500mb d. 850mb
Last Answer : c. 500mb
Description : Generally, as altitude increases: a. Temperature decreases and density increases b. Temperature, pressure and density decreases c. Temperature and pressure increase and density decreases d. Temperature decreases and pressure and density increase
Last Answer : b. Temperature, pressure and density decreases
Description : A pilot suffering from decompression sickness should: a. Descend to a lower level where the symptoms will disappear and continue the flight at this or a lower level b. Decrease the cabin pressure ... the pain in the affected site d. Land as soon as possible and seek medical assistance
Last Answer : d. Land as soon as possible and seek medical assistance
Description : The effects of carbon monoxide: a. Increases with altitude b. Decreases with altitude c. Increases with increase of density d. Decreases with pressure loss
Last Answer : a. Increases with altitude
Description : For take-off performance calculations, what is taken into account? a. OAT, pressure altitude, wind, weight b. Standard temperature, altitude, wind, weight c. Standard altitude, standard temperature, wind, weight d. Standard temperature, pressure altitude, wind, weight
Last Answer : a. OAT, pressure altitude, wind, weight
Description : The most likely cause of brake fade is: a. Oil or grease on the brake drums b. Worn stators c. The pilot reducing the brake pressure d. The brake pads overheating
Last Answer : d. The brake pads overheating
Description : The purpose of an accumulator is to: a. Relieve excess pressure b. Store fluid under pressure c. Store compressed gas for tyre inflation d. Remove air from the system
Last Answer : b. Store fluid under pressure
Description : If cabin pressure is decreasing, the cabin VSI will indicate: a. Zero b. Climb c. Descent d. Reducing pressure
Last Answer : b. Climb
Description : A shuttle valve will: a. Allow the accumulator to be emptied after engine shut down b. Reduce pump loading when normal system pressure is reached c. Automatically switched to a more appropriate source of hydraulic supply d. Operate on a rising pressure, higher than the Full Flow relief valve
Last Answer : c. Automatically switched to a more appropriate source of hydraulic supply
Description : When does the engine High Pressure fuel shut off valve close? a. After a booster pump failure b. When the engine fuel switch is selected ‘ON’ during engine start c. When flight idle is selected d. When the engine fuel switch is selected ‘OFF’ during engine shut-down
Last Answer : d. When the engine fuel switch is selected ‘OFF’ during engine shut-down
Description : Which of the following instruments require inputs of both pitot and static pressure? a. Airspeed indicator, machmeter and vertical speed indicator b. Airspeed indicator, vertical speed indicator, altimeter c. Airspeed indicator only d. Airspeed indicator and machmeter
Last Answer : d. Airspeed indicator and machmeter
Description : Cabin altitude in pressured flight is: a. The altitude corresponding to cabin pressure regardless of aircraft height b. Is presented on a second needle on the aircraft altimeter c. ... equals ambient pressure d. Altitude corresponding to cabin pressure in relation to MSL ISA conditions
Last Answer : a. The altitude corresponding to cabin pressure regardless of aircraft height b. Is presented on a second needle on the aircraft altimeter
Description : Maximum Differential pressure: a. Is the maximum authorized pressure difference between the inside of the fuselage and the atmospheric ambient pressure b. Is the absolute pressure provided by the ... time limit d. Is the absolute pressure the cabin pressure ducting is designed to carry
Last Answer : a. Is the maximum authorized pressure difference between the inside of the fuselage and the atmospheric ambient pressure
Description : When would the negative differential limits be reached/exceeded? a. Rapid descent when AC descends below cabin altitude b. During ground pressure testing c. Rapid ascent when aircraft climbs d. When changing to manual operation
Last Answer : a. Rapid descent when AC descends below cabin altitude
Description : CAS is IAS corrected for: a. Position and instrument error b. Instrument, pressure, and density error c. Relative density only d. Compressibility
Last Answer : a. Position and instrument error