Module 8 Basic Aerodynamics Final Practice Exam (20 Questions 25 Mints)

Module - 8 (Basic Aerodynamics)

Final Practice Exam Test

  

 

1. The uppermost layer of the atmosphere is ?
   1.   Troposphere
   2.   Mesosphere
   3.   Thermosphere
2. What is Bernoulli’s principle primarily used to explain in aerodynamics?
   1.   Aircraft stability
   2.   Lift generation
   3.   Engine thrust
3. What is the primary factor affecting an airfoil’s lift ?
   1.   Angle of attack
   2.   Winglets
   3.   Camber
4. Which statement is true regarding lift and weight of an aircraft ?
   1.   Lift acts at right angles to the wing chord line and weight acts vertically down
   2.   Lift acts at right angles to the relative airflow and weight acts vertically down
   3.   Lift acts at right angles to the relative air flow and weight acts at right angles to the aircraft centre line
5. Aerofoil efficiency is defined by ?
   1.   drag over lift
   2.   lift over weight
   3.   lift over drag
6. What is the critical angle of attack ?
   1.   The angle at which drag is minimized
   2.   The best climb angle
   3.   The maximum angle before a stall occurs
7. Which type of flow is characterized by smooth, parallel layers of air ?
   1.   Vortex flow
   2.   Laminar flow
   3.   Turbulent flow
8. Angle of incidence is the angle between the chord line of the wing and ?
   1.   the vertical axis of the aircraft
   2.   the lateral axis of the aircraft
   3.   the longitudinal axis of the aircraft
9. Which type of drag is directly proportional to airspeed squared ?
   1.   Profile drag
   2.   Form drag
   3.   Induced drag
10. Turbulence and skin friction are controlled mainly by the -----------------?
    1.   glide ratio
    2.   aspect ratio
    3.   fineness ratio
11. Which of the following statements about Mach number is true ?
    1.   It is the ratio of true airspeed to the speed of sound
    2.   It is the ratio of lift to drag
    3.   It is the ratio of induced drag to parasitic drag
12. What happens to the stall speed when flaps are deployed ?
    1.   Remains the same
    2.   Increases
    3.   Decreases
13. What approximate percentage of oxygen is in the atmosphere?
    
    1.   31%
    2.   21%
    3.   12%
14. What is the main purpose of a vortex generator ?
    1.   Increase aircraft weight
    2.   Delay flow separation
    3.   Reduce drag by streamlining flow
15. The aircraft is in a state of equilibrium if ?
    1.   lift=weight
    2.   weight=thrust
    3.   lift=drag
16. Longitudinal stability is provided by the ?
    1.   mainplane
    2.   vertical stabilizer
    3.   horizontal stabilizer
17. Dutch roll is a coupled ………. Oscillation ?
    1.   Lateral/Longitudinal
    2.   Lateral/Directional
    3.   Longitudinal/Directional
18. When the angle of attack decreases the centre of lift moves ?
    
    1.   Aft
    2.   Forward
    3.   Not moves
19. The function of an aircraft fin is ?
    1.   is to provide directional control
    2.   is to provide straight airflow across the rudder
    3.   is to provide stability about the normal axis
20. Yawing is a rotation around ?
    
    1.   the normal axis obtained by the rudder
    2.   the normal axis obtained by the elevator
    3.   the lateral axis obtained by the rudder

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Module 1 Mathematics Final Practice Exam (32 Questions 40 Mints)

Module -1 (Mathematics)

Final Practice Exam Test

  

 

1. A rectangular baggage compartment measures 4 meters in length, 3 meters in width, and 2 meter in height. How many cubic meters of baggage will it hold?
   1.   9 cm3
   2.   24 cm3
   3.   6 cm3
2. The square root of 64009 is?
   1.   363
   2.   253
   3.   347
3. What is the value of 34 - 2 × (3 × (6 - 2) + 3)?
   1.   4
   2.   3
   3.   8
4. Calculate the value of 2 (x + 4y) - 2xy when x=8 and y=5.3?
   1.   27.4
   2.   -26.4
   3.   26
5. An airplane flying a distance of 100 kilometers used 150 liters of gasoline. How many liters will it need to travel 200 kilometers?
   1.   500 liters
   2.   200 liters
   3.   300 liters
6. There are____ in a full circle?
   1.   1/2π radians
   2.   4π radians
   3.   2π radians
7. Convert 5 radians to degrees?
   1.   900°/2π
   2.   900°/π
   3.   600°/π
8. The circumference of a circle is found by ?
   1.   dividing the diameter by 3.142
   2.   multiplying the radius by 3.142
   3.   multiplying the diameter by 3.142
9. How to Cosine of an angle is measured as?
   1.   Adjacent side by hypotenuse
   2.   Opposite side by hypotenuse
   3.   Adjacent side by Base
10. What is cube of 0.9?
    1.   7.29
    2.   0.0729
    3.   0.729
11. What percentage is 36 of 252?
    1.   13.5
    2.   14.5
    3.   15.5
12. Convert 748 to base 8 ?
    1.   (1254)8
    2.   (954)8
    3.   (1054)8
13. Simplify expression (3x + 7y)−(4x + 3y) ?
    
    1.   −x² + 4y²
    2.   −x + 4y
    3.   x + 4y
14. 2a+3b+7a-9b-7ab =?
    1.   9a + 6b - 7ab
    2.   9a - 6b - 7ab
    3.   9a - 6b + 7ab
15. A quadrilateral with only two parallel sides is a ?
    1.   Trapezoid
    2.   Rhombus
    3.   Trapezium
16. (x - 3)(x + 5)= ?
    1.   x²-15
    2.   2x +x²+15
    3.   x² +2x-15
17. Convert (4135)8 to base 10 ?
    1.   3245
    2.   2141
    3.   1544
18. What is cuberoot of 343 ?
    
    1.   7
    2.   5
    3.   9
19. Pinion gear has 12 teeth and the spur gear has 18 teeth. The gear ratio is ?
    
    1.   3:9
    2.   3:3
    3.   2:3
20. 1 Knot is equal to ?
    
    1.   2.852 Km/h
    2.   1.609 Km/h
    3.   1.852 Km/h
21. The formula for the area of a triangle is ?
    
    1.   A = 1⁄2 (B + H)
    2.   A = 1⁄2 +(B × H)
    3.   A = 1⁄2 (B × H)
22. What is the tangent of 90° ?
    
    1.   zero
    2.   Negative infinity
    3.   Positive infinity
23. Log(M/N) base 10 can be writen as ____?
    1.   logM-logN
    2.   lnM÷ lnN
    3.   logM+logN
24. Log4(16) is equal to___?
    1.   4
    2.   2
    3.   8
25. A cone with the height of 10 cm and the base radius of 9 cm. Find the volume of this cone ?
    1.   847.8 cm3
    2.   900 cm3
    3.   190 cm3
26. (a + b)(a − b) ?
    1.   a² +b²
    2.   a² − b²
    3.   2a² − 2b²
27. Two angles of a triangle are 68° and 32° , Therefore the third angle must be ?
    1.   100°
    2.   63°
    3.   80°
28. What is Sin 90 = ?
    1.   Infinity
    2.   1
    3.   zero
29. 81y = 81 what does y = ?
    1.   3
    2.   1.1
    3.   1
30. What is the area of a square access plate whose side measures 20 centimeters?
    1.   40 cm2
    2.   400 cm2
    3.   10 cm2
31. Find the volume of a block if the length of each side is 2 cm?
    1.   8 cm3
    2.   6 cm3
    3.   16 cm3
32. The word trigonometry comes from the ?
    1.   Ditch
    2.   Latin
    3.   Greek

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