Exam questions for obtaining aircraft licenses and ratings

PPL(A) -

1. Its good practice, when flying over large areas of water, that life jackets:

2. A BCF fire extinguisher:

3. If you suspect carburettor icing when flying an aircraft whose engine is not fitted with a carburettor air-temperature gauge, the correct action would be:

4. Aquaplaning speed:-

5. Connecting two 12 volt, 40 ampere-hour, capacity batteries in series will provide a battery of:

6. If a blockage occurs in the oil cooler of an aircraft engine while the aircraft is in flight, a by-pass valve allows the oil to by-pass the cooler. The by-pass functions on the principle of:

7. A propeller blade is twisted along its length in order to:

8. Magnetos are:

9. Which of the following is an appropriate action to take if you have a carburettor fire on startup?

10. Tyre creep:-

11. The diagram shows a light aircraft electrical power system.(See Fig.PPL AKG-1) In flight if the loadmeter reading drops to zero, the most probable cause is that the:

12. The power output of an internal combustion engine can be increased by:-

13. When turning through North in the Northern Hemisphere:-

14. In a dive, with the throttle setting constant, the engine R.P.M. of an aircraft fitted with a fixedpitch propeller will:

15. Immediately after starting an aircraft engine, you must check the starter warning light. If it is still illuminated you should:

16. The significance of using the chemically correct mixture of air and fuel is that:

17. Ignoring any Instrument or Position Errors, in what conditions will the Air Speed Indicator indicate the True Airspeed of an aircraft?

18. While carrying out the Dead Cut Check, with the right magneto selected, you notice that the engine falters, and you suspect it will stop running. What should you do?

19. Theoretically, a 100 amp/hr battery will supply 25 amps for:

20. During one complete Otto Cycle, the piston:

21. Which of the following is not a component of a dry vacuum system?

22. While taxying in an aircraft fitted with a fixed pitch propeller, you suspect that you have carburettor icing. The correct action to take would be to:

23. The Mechanical Tachometer:-

24. Detonation could result from using:

25. Pre-ignition in a four stroke piston engine is:

26. If the engine gets too hot, the mixture may ignite before the spark plug fires.

27. Instruments normally supplied from the electrical system include the:

28. Some carburettors are fitted with a diffuser which:

29. Where in the engine is the oil temperature read by the temperature probe which is connected to the engine's oil temperature gauge?

30. To assist in reducing the temperature of the engine:-

31. The component parts of the wing shown in the diagram are: (See Fig.PPL AKG-2) A / B / C

32. Semi-monocoque can be defined as:

33. On a light aircraft fitted with a mechanically steered nose wheel, steering on the ground is normally effected by:

34. Engine compression ratio is the ratio of the

35. A 100 Ampere-Hour battery :

36. In the event of an alterna tor or generator failure during flight the:

37. If, during descent, the static sources to the airspeed indicator and altimeter become blocked by ice:

38. Within one 'Otto' cycle, the valves of a four stroke piston engine will each open:

39. The purpose of the compass deviation card fixed next to an aircraft's magnetic compass is to:

40. The normal method for shutting down an aircraft engine is:

41. Why do aircraft engine ignition systems incorporate a means of spark augmentation?

42. Aircraft maintenance carried out by a private pilot in accordance with the pilot's legal entitlement:

43. Carbon monoxide gas, which is highly toxic, may enter the aeroplane cabin in flight because of an exhaust system defect. Carbon Monoxide:

44. Blade angle_____from the hub to the tip of a propeller blade in order to maintain an optimal______from hub to tip.

45. A Direction Indicator:-

46. As you climb altitude_____and density________and, therefore, the mixture will be___

47. The power output of a four-stroke piston engine at sea level:

48. As an aircraft with a variable-pitch, constant-speed propeller accelerates along the runway:

49. The diagram shows a light aircraft electrical power system, which employs a centre-zero reading ammeter. (See Fig.PPL AKG-3) In flight with the battery fully charged and the battery switch ON, you would expect the ammeter to be:

50. A flying control lock:-

51. The type of gas which is stored in the activating cylinder of a life jacket:-

52. If a fire occurs in a wheel and tyre assembly and immediate action is required to extinguish it, the safest extinguishant to use is:

53. A tied gyro:

54. When referring to the magnetic compass, piiots must bear in mind that:

55. After starting a cold engine, if the oil pressure gauge does not indicate within approximately 30 seconds:

56. Tyre creep may be identified by:

57. The exhaust gas temperature gauge:-

58. The correct working cycle of a four stroke engine is:-

59. Flying an aircraft with a flat battery, having started the engine using a ground source, is:

60. Itis important to ensure the priming pump is locked after use because:

61. What will be the consequence for the validity of an aircraft's Certificate of Airworthiness (C of if the aircraft is not maintained in accordance with the approved maintenance schedule detailed in the C of A?

62. The temperature of the gases within the cylinder of a four stroke engine during the power stroke will:-

63. The crankshaft in a piston engine:

64. Baffles:-

65. Pre-ignition:

66. If is best to run the engine with the mixture:

67. The compression ratio of a piston engine is the ratio of the:

68. Detonation is:

69. If the power supply to the pitot heater failed during flight in icing conditions and the aircraft subsequently descended, the readings on the Altimeter, the VSI and theASI would, if ice had blocked the pitot (Total Pressure) tube:- Altimeter VSI ASI

70. The cylinder head temperature gauge:-

71. In icing conditions, if a static vent became blocked during level flight and the aircraft subsequently climbed, the readings on the Altimeter, the VSI and theASI would:-

72. The most probable cause of the needle of the oil pressure gauge fluctuating when the aircraft is in level flight with the engine running at cruise rpm is:

73. The principal reason why light training aircraft have fixed undercarriages is that:

74. In the aircraft tanks, fuel is most likely to be contaminated by water from:

75. The oil temperature gauge in the cockpit is connected to a temperature probe that senses the temperature of the oil:

76. An altimeter:-

77. An accelerator pump is used to prevent a 'flat spot'. A 'flat spot' is:

78. If is possible to get carburettor icing when the relative humidity is greater than 50% within a temperature range of:

79. If a fuse blows during flight it:

80. Most nose wheels on modern light aircraft are:

81. If, while an aircraft is descending, the static vent leading to the Vertical Speed Indicator becomes blocked, the indicator will:

82. When an aircraft is in flight, the pressure sensed by the forward facing hole in the pitot tube is:

83. Which of the following will increase the angle of attack of a fixed pitch propeller blade?

84. The gyro in an artificial horizon is:

85. On a fixed pitch propeller aircraft whose engine is fitted with a carburettor, the of induction system icing are:

86. The main advantage of an alternator over a generator is that:-

87. As air enters the restriction of a Venturi, velocity_____, static or ambient pressure _____and temperature_____.

88. Which instruments are usually powered by a vacuum pump system? (1) Direction Indicator (2) Turn Coordinator (3) Attitude Indicator (4) Altimeter (5) Magnetic Compass.

89. Detonation is:

90. The distributor arm rotates at:

91. A Direction Indicator may be aligned with the magnetic compass:-

92. Where, in an aircraft-engine fuel system, is the electric fuel-boost pump normally fitted?

93. A magnetic heading:-

94. The prevention of excessive oil pressure in an aircraft engine is assured by:

95. How soon after starting a cold aircraft engine should the oil pressure gauge give an indication?

96. If the gyro of a turn indicator runs at a lower rpm than its design specification, how will the actual rate of turn of the aircraft compare to the rate of turn shown on the turn indicator?

97. To work at its highest efficiency, the engine:-

98. On your instrument panel, the suction gauge is showing system failure. However, the gyrodriven instruments appear to be functioning normally, and the Low Vacuum Warning Light is off. Where do you think the problem lies?

99. When a compass swing is being carried out:

100. What part(s) of a reciprocating aircraft engine seal(s) the combustion chamber?

101. The piston rod in a reciprocating engine forms a link between

102. What part in a reciprocating four-stroke engine operates the piston valves?

103. The purpose of fins around the cylinder of a reciprocating air-cooled aircraft engine is a

104. The power of an aviation engine without a supercharger decreases with altitude because of

105. A reciprocating aviation engine develops the highest power

106. Oil in a reciprocating engine serves

107. What would be the most likely cause of fluctuating oil pressure in an aircraft engine?

108. When the engine is stopped, the main source of electrical power is the

109. For exciting of the alternator an initial electrical current is needed, provided by the

110. Can the alternator of an aircraft engine operate without the battery?

111. To which source of electrical power is the starter of an aircraft engine connected to?

112. The battery master switch should be turned to OFF after the engine is stopped to avoid the battery discharging through the

113. One purpose of the dual ignition system on an aircraft engine is to provide for

114. What would be the result of a single magneto failure on an aircraft in cruise flight?

115. Can an engine of a parked modern reciprocating aircraft fire if somebody turns the propeller by hand?

116. The operating principle of float-type carburettors is based on the

117. A carburettor is used to supply

118. An engine that does not have a carburettor but rather metered fuel that is fed under

119. The basic purpose of adjusting the fuel/air mixture at altitude is to

120. What change occurs in the fuel/air mixture when carburettor heat is applied?

121. While cruising 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?

122. If an aircraft is equipped with a fixed-pitch propeller and a float-type carburettor, the first indication of carburettor ice would most likely be

123. Carburettor ice has formed in the venturi of your carburettor and your aircraft starts losing power. Will the use of carburettor heat result in immediate increase in RPM?

124. What is the purpose of an auxiliary fuel boost pump installed in some light aircraft?

125. Proper functioning of an auxiliary fuel pump could be checked by

126. Why do high compression engines require fuels of a higher grade?

127. On a reciprocating aviation engine, what is controlled by the exhaust temperature gauge (EGT)?

128. An abnormally high oil temperature indication in case of a four-stroke engine may be caused by

129. For internal cooling, a reciprocating aircraft engine especially depends on

130. As the throttle is advanced, what happens to the constant-speed propeller of an aircraft?

131. In what flight condition is a torque effect the greatest in a single-engine airplane?

132. Which adverse effect, caused by a gyroscopic effect, will a pilot experience during the takeoff roll while lifting a tail off the ground?

133. What is the function of a shimmy dumper on an aircraft undercarriage?

134. Which instrument(s) is (are) connected to the total pressure?

135. Besides the altimeter, which instruments are connected to the static pressure line?

136. What causes the true airspeed of an airplane to differ from its indicated airspeed?

137. Which is an important airspeed limitation that is not color coded on airspeed indicators on any one aircraft or glider?

138. The maximum speed for flaps extension is

139. What does the green color band on the airspeed indicator of an aircraft indicate?

140. What does the red line on an aviation instrument generally represent?

141. The red line on an airspeed indicator of a sport aircraft represents the

142. The barometric pressure scale on an aircraft altimeter serves for

143. If set to QNH, what will be aircraft altimeter reading after landing?

144. What height does the altimeter indicate if set to local QNH?

145. Which altitudes indicates an aircraft altimeter if set to standard atmospheric pressure?

146. What would be the indication of an aircraft altimeter if the pilot fails to set QNH during descent, and therefore lives the instrument set to the standard pressure?

147. If a pilot changes the altimeter setting to a lower pressure, the altitude indication will

148. When set to QFE pressure, an altimeter will indicate the

149. If an altimeter is set to QFE pressure, the instrument indication after landing will be

150. If a flight is made from an area of high pressure into an area of low pressure without the altimeter setting being adjusted, the aircraft true altitude

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