Final Test 1, 2 & 3
56. After hydraulic flaps are lowered in flight, they slowly return towards the up position of their own accord. A possible reason for this problem is:
Hydraulic oil is leaking from the system
79. One consequence of operating an engine with excessively high oil temperature is:
Inadequate lubrication of some engine parts
11. When increasing power on an engine fitted with a CSU it is good practice to:
Increase RPM before manifold pressure to prevent overboosting
35. During a climb a high cylinder head temperature can be reduced by:
Increasing IAS
37. If carburettor ice has formed on an engine fitted with a CSU, the application of carburettor heat will cause:
Initial drop, followed by an increase in manifold pressure at constant RPM
96. If an artificial horizon becomes toppled during flight:
It will remain serviceable but will take time to re-erect itself
77. Spark plug fouling would be most likely during:
Long periods of ground operations at low power
63. The engine operating conditions most likely to produce fouled spark plugs are:
Low power and rich mixture
21. Unintentional retraction of the undercarriage while on the ground is prevented by:
Microswitch on one of the undercarriage legs
26. In the southern hemisphere, an aircraft's actual heading will lag behind the compass indication when the aircraft is turning onto
North
34. In the southern hemisphere the heading indicated by a direct reading magnetic compass will lead an aeroplane's actual heading when turning onto:
North
30. A shimmy damper is a device designed to control vibration of the:
Nose wheel
49. The cause of an abnormally high oil pressure indication could be:
Oil temperature is too low
12. Throttle operation during take-off with an engine fitted with a supercharger should be:
careful operation of the throttle to the fully open position
84. During a descent at high speed and high power the propeller blades of a constant speed propeller will move Towards:
coarse pitch stops
55. The continuous use of a higher grade of fuel than recommended can cause:
corrosion of internal engine components
2. Symptoms of the formation of carburettor ice in an engine fitted with a CSU are:
Dropping manifold and indicated ASI with constant RPM
33. With regard to CHT and EGT gauges, which of the following is true:
EGT gauges roister sudden changes in combustion temperature more quickly than CHT gauges
95. Comparing the reading of a CHT gauge to that of an EGT gauge:
EGT reacts more quickly to change in combustion temperature
53. In an engine fitted with a constant speed unit the onset of fuel vapour locking would be indicated by:
Fluctuating fuel pressure
88. If a fuel pressure gauge shows rapidly fluctuating readings during flight:
Fuel vaporisation may be occurring
83. The correct setting for the pitch control during engine run-up of an engine fitted with a CSU is:
Fully fine during the magneto check
89. The colour of 100/ 130 octane avgas is:
Green
8. Vaporizing of fuel in the fuel lines can be caused by:
High engine temperature and high power
80. Fuel vaporisation is most likely to occur during:
High engine temperature and low ambient atmospheric pressure
81. The purpose of a waste gate in a turbo supercharger is to:
Regulate the speed of the turbine
25. Following the toppling of a directional gyro in flight the instrument will:
Remain serviceable but must be reset to the correct heading
71. What effect does the application of carburettor heat have on mixture and power?
Rich mixture and power is reduced
39. During a long climb, the cylinder head temperature becomes too high. This can be rectified by:
Richening the mixture to full rich and increasing the climbing IAS
7. Operating an engine with too low an oil quantity will produce:
Rising oil temperature and dropping oil pressure
97. Which of the following speeds is not shown on a colour coded air speed indicator?
VLE
69. Which instrument indication would suggest that the static vent has become blocked during a climb?
VSI reads 0
22. An aircraft is parked on a strip with the engine stopped. If the elevation of the strip is 2000 ft above mean sea level, what would the manifold pressure gauge be expected to read?
Approximately 28 Hg"
68. What is the difference in appearance between aviation gasoline [avgas] and aviation turbine fuel [avtur]?
Avgas is blue/green while AVTUR is clear
100. The component which prevents an excessively high current flow in an aircraft's electrical system is a:
Circuit breaker
86. A device that controls high current flow in an electrical system is:
Circuit breaker
28. During a dive, if power is not reduced, constant speed propellers may move onto the:
Coarse pitch stops and then overspeed
19. If the gas pressure is too low in a hydraulic accumulator you would expect:
A reduction in emergency pressure and slower operation of some services
23. The effect of a blocked static vent during a long climb would be:
ASI under speed in climb
38. During a long descent cylinder head temperature becomes too low. This can be rectified by:
Adding power and decreasing rate of descent
47. The propeller pitch control is set to fully fine position during the engine run up. This is done to:
Allow the propeller RPM to indicate engine power
41. The best TAS at a given height and manifold pressure would be achieved with the mixture control set for:
Best power
5. An engine is running with the mixture fully rich. Progressive leaning to peak EGT will produce
Best power first followed by best economy then peak EGT
78. The EGT setting that would produce the highest indicated air speed would be:
Best power setting
6. A descent from high altitude where the engines have been leaned to peak EGT is made with no adjustment being made to the mixture. As the descent is continued to sea level:
Cylinder head temperature will rise, and back firing could occur
17. Battery compartments are vented because:
Dangerous such as hydrogen are released when the b battery is charged.
74. To prevent excessive cooling of an engine during a long descent at a fixed throttle setting it is necessary to:
Decrease IAS and accept a reduced rate of descent
75. If oil temperature is rising to near the red line during a long climb a remedy would be:
Decrease power and increase IAS
27. If the outside air temperature is +5'C, and the relative humidity is 60%, which of the situations described below would be most likely to produce carburettor icing?
Descending at 35% power
29. Using fuel of a lower octane rating than is recommended for an engine can result in:
Detonation
76. A high cylinder head temperature during cruise could be due to:
Detonation
45. If the manifold pressure exceeds rated boost in a turbo charged engine:
Detonation and engine damage could result
3. An engine is overheating during a climb. An appropriate action to remedy the situation would be:
Open the cowl flaps, richen the mixture and increase the climbing indicated speed.
10. If an engine begins to run roughly due to vaporization of fuel during flight the appropriate pilot action would be:
Operate the boost pum
44. If the pilot suspects that fuel vaporisation is occurring during flight an appropriate response would be:
Operate the fuel boost pump
9. If a heat-soaked engine will not start due to fuel vaporization, an appropriate action would be:
Operate the prime pump with the mixture to idle cut off to purge the vapour
15. Excessive use of the starter motor on an engine which is difficult to start can cause:
Overheating of the starter motor
4. If an engine running with the mixture leaned to peak EGT is richened to full rich:
Power will increase, then decrease
91. If the accumulator gas pressure in a hydraulic system becomes too low:
Pressure indicated during operation will be lower but will return to normal after operation of the service
36. The function of a pressure relief valve [PRV] in a hydraulic system is to:
Prevent a builder of pressure in the system should the pressure regulator fail.
16. The use of a lower grade of fuel than specified for an engine can:
Promote detonation at high power
54. The function of a forward facing fuel tank vent is to:
Provide positive pressure in the fuel tank
58. The manifold pressure gauge of a normally aspirated engine at full power at sea level would read:
Slightly less than the outside atmospheric pressure
40. During take off from a strip where the density altitude is extremely high, the best take off performance would be achieved by setting the mixture control for:
Smooth running
60. If the altimeter reading remains unchanged during a climb the most likely cause would be:
Static source has become blocked
70. In a climb from level flight the altimeter reading remains unchanged. A likely cause would be a blockage in the:
Static vent
87. If a centre zero ammeter shows a discharge during flight:
The alternator has failed
42. If maximum power is applied for takeoff while the oil temperature is too low:
The engine components could suffer stresses due to uneven heating
50. If the oil level in an operating engine is below the specified minimum:
The engine could overheat at high power settings
48. If the oil pressure gauge begins to fluctuate during flight:
The oil quantity is very low
93. The undercarriage warning horn in a retractable undercarriage system may be activated by:
The position of the throttle lever
24. An altimeter reads the aircraft's vertical displacement from:
The pressure which is selected on the sub scale of the instrument
46. If failure of a CSU locks the propeller blades at one fixed position:
The propeller RPM would change with engine power settings
72. If an engine fitted with a fixed waste gate has the throttle fully opened at take-off :
The rated boost would be exceeded
57. If brake pedals feel normal when pressure is applied, but slowly leak down as pressure is maintained:
There is a leak in the system
20. The purpose of a shimmy damper is:
To prevent nose wheel vibration during ground operation
18. Fuel tank vents should be inspected before flight because:
a blockage in the vent can interrupt the fuel supply to the engine.
14. If a centre zero ammeter indicates an unusually high charge rate during flight the cause could be:
a faulty battery
92. A spongy feel in the pedals of a foot operated brake system would most likely be due to:
air in the system
52. A left hand zero ammeter indicates zero when:
alternator has failed
1. The application of carburettor heat when ice has formed in the carburettor will be accompanied by:
an immediate drop in manifold pressure followed by an increase in manifold pressure and a richer mixture
64. In an engine fitted with a carburettor and a constant speed propeller, the absence of carburettor ice may be confirmed by applying carburettor heat and noting an immediate:
decrease in manifold pressure with no further change
73. The application of carburettor heat on an aircraft fitted with a CSU when ice is not present is accompanied by:
drop in manifold pressure with no further change and constant RPM
65. Operating an engine with the oil level below the specified minimum is likely to cause:
engine overheating
59. The most likely cause of a rapidly fluctuating cylinder head temperature gauge would be:
faulty gauge
43. Vaporisation of fuel would be most likely to occur at high power settings:
hot fuel and low atmospheric pressure
67. The purpose of a turbocharger is to:
increase the mass of air flow into the engine
31. On a colour coded ASI, the maximum landing gear extended speed [VLE],
is not marked on the ASI
62. During a turn, the reading of a magnetic compass in the southern hemisphere will:
lead ahead of the aircraft when turning onto north (ONUS)
90. Comparing a fuel injection system to a carburettor , the fuel injection system is:
less prone to induction system icing
32. The engine operating conditions most likely to produce fouling of the spark plugs are
lower power and rich mixture
82. If a leak develops before the waste gate in an engine fitted with a turbo supercharger:
manifold pressure obtained at any given altitude and throttle position decreases
85. A consequence of a low oil level in an engine is:
oil temperature will rise and oil pressure will fall
61. The indication shown on the face of a turn co-ordinator when turning while taxiing on level ground is:
skid away from the direction of turn
94. The pitot heat: Should not be operated on the ground except for
testing
66. During flight a centre zero ammeter shows an abnormally high positive reading for an extended period of time. The correct interpretation of this is:
the battery is being overcharged and may boil
51. A centre zero ammeter shows a constant high charge rate when:
the battery is faulty
98. If a visible bubble appears in the glass of a magnetic compass:
the compass is unserviceable
99. During the normal advancement of the throttle on a turbocharged engine, the manifold pressure quickly becomes excessive. This could be caused by:
the water gate being jammed shut
13. The purpose of a supercharger fitted to an engine is:
to increase power by increasing the mass air flow
