Quiz
ASA FAA Aircraft Systems
Questions in this quiz (51)
1Should it be necessary to handprop an airplane, it is extremely important that a competent pilot
- ACall "contact" before touching the propeller.
- BBe at the controls in the cockpit.
- CBe in the cockpit and call out the commands.
2What should be the first action after starting an aircraft engine.
- AAdjust for proper RPM and check for desired indications on the engine gauges.
- BPlace the magneto or ignition switch momentarily in the OFF position to check for proper grounding.
- CTest each brake and the parking brake.
3What is the one purpose for using reciprocating engines.
- AHeat is distributed better.
- BTo preserve cylinder head duration and maintain lower temperatures.
- CThey are relatively simple and inexpensive to operate.
4One purpose of the dual ignition system on an aircraft engine is to provide for
- AImproved engine performance
- Buniform heat distribution
- Cbalance cylinder head pressure
5An electrical system failure (battery an alternator) occurs during flight. In this situation you would
- AExperience avionics equipment failure
- BProbably experience failure of the engine ignition system, fuel gauges, aircraft lighting system, and avionics equipment
- CProbably experience engine failure due to the loss of engine driven fuel pump and also experience failure of the radio equipment, lights, and all instruments that require alternating current.
6If the ground wire between the magneto and the ignition ignition switch becomes disconnected, the most notable result will be that the engine
- AWill run very rough.
- BCannot be started with the switch in the ON position.
- CCannot be shut down by turning the switch to the OFF position.
7 One purpose of the dual ignition system on a two cycle engine is to provide for
- ASystem redundancy in the ignition system
- BUniform heat distribution
- CBalance cylinder head pressure
8Electrical system failure (battery and alternator) occurs in a magneto equipped aircraft during flight. In this situation, you would
- AProbably experience engine failure due to the loss of engine driven fuel pump and also experience failure on the radio equipment, lights, and all instruments that require alternating current.
- BProbably experience failure of the engine ignition system, fuel gauges, aircraft lighting system, and avionics equipment.
- CExperience avionics equipment failure.
9Concerning the advantages of an aircraft generator or alternator, select the true statement.
- AA generator always provides more electrical current than an alternator.
- BAn alternator provides more electrical power at lower engine RPM than a generator.
- CA generator charges the battery during low engine rpm; therefore, the battery has less chance to become fully discharged, as often occurs with an alternator.
10The operating principle of flow type carburetors is based on the
- AAutomatic metering of air at the venturi as the aircraft games altitude
- BDifference in air pressure at the venturi throat and the air inlet
- CIncrease in air velocity in the throat of a venturi causing an increase in air pressure
11The basic purpose of adjusting the fuel/air mixture at altitude is too
- ADecrease the amount of fuel in the mixture in order to compensate for increased air density
- BDecrease the fuel flow in order to compensate for decreased air density
- CIncrease the amount of fuel in the mixture to compensate for a decrease in pressure and density of the air.
12While cruising at 9500 feet MSL, the fuel/air mixture is properly adjusted. What will occur if a descent to 4500 feet MSL is made without that readjusting the mixture?
- AThe fuel/air mixture may become excessively lean.
- BThere will be more fuel in the cylinders than is needed for normal combustion, and the excess fuel will absorb heat and cool the engine.
- CExcessively rich mixture will create higher cylinder head temperatures and may cause detonation.
13During the run up at a high elevation Airport, a pilot notes of 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?
- ACheck the results obtained with a leaner setting of the mixture.
- BTaxi back to the flight line for a maintenance check.
- CReduce manifold pressure to control the detonation.
14If an aircraft is equipped with the fixed pitch propeller and a float type carburetor, the first indication of carburetor ice would most likely be a
- AA drop in oil temperature and cylinder head temperature
- BEngine roughness
- CLoss of RPM
15 The presence of carburetor ice in an aircraft equipped with a fixed pitch propeller can be verified by applying carburetor heat and noting
- AAnd increase in rpm and then a gradual decrease in rpm
- BDecrease in rpm and then a constant rpm indication
- CA decrease in rpm and then a gradual increase in rpm
16Which condition is most favorable to the development of carburetor icing?
- AAny temperature below freezing and a relative humidity of less than 50%
- BTemperature between 32 and 50 degrees Fahrenheit and low humidity
- CTemperature between 20 degrees and 70 degrees Fahrenheit and high humidity
17 The possibility of carburetor icing exists even when the ambient air pressure is as
- AHighest 70 degrees Fahrenheit and the relative humidity is high
- BHigh is 95 degrees Fahrenheit and there is visible moisture
- CLow as 0 degrees Fahrenheit and the relative humidity is high
18Applying carburetor heat will
- AResult in more air going through the carburetor.
- BEnrich the fuel/air mixture
- CNot affect the fuel/air mixture.
19What change occurs in the fuel/air mixture when carburetor heat is applied?
- AA decrease in rpm results from the lean mixture.
- BThe fuel/air mixture becomes richer.
- CThe fuel/air mixture becomes leaner period
20 Generally speaking, the use of carburetor heat tends to
- ADecrease engine performance
- BIncrease engine performance
- CHave no effect on engine performance
21With regard to carburetor ice, float - type carburetor systems in comparison to fuel injection systems are generally considered to be
- AMore susceptible to icing.
- BEqually susceptible to icing.
- CSusceptible to icing only when visible moisture is present.
22 Which condition is most favorable to the development of carburetor icing?
- AAny temperature below freezing and a relative humidity of 50%.
- BTemperature between 32 degrees and 50 degrees Fahrenheit and low humidity.
- CTemperature between 20 degrees and 70 degrees Fahrenheit and high humidity.
23On an aircraft equipped with fuel pumps, when is the auxiliary electric driven pump used?
- AAll the time to a the engine driven fuel pump.
- BIn the event engine-driven fuel pump fails.
- CConstantly except in starting the engine.
24If the grade of fuel used in an aircraft engine is lower than specified for the engine, it will most likely cause
- AA mixture of fuel and air that is not uniform in all cylinders.
- BLower cylinder head temperature.
- CDetonation.
25 Detonation may occur at high power settings when
- AThe fuel mixture ignites instantaneously instead of burning progressively and evenly
- BAn excessively rich fuel mixture causes an explosive gain in power
- CThe fuel mixture is ignited too early by hot carbon deposits in the cylinder
26Detonation occurs in a reciprocating aircraft engine when
- AThe spark plugs are fouled or shorted out or the wiring is defective.
- BHot spots in the combustion chamber ignite the fuel/air mixture in advance of normal ignition.
- CThe unburned charged in the cylinders explodes instead of burning normally.
27The uncontrolled firing of the fuel/air charge in advance of normal spark ignition is known as
- ACombustion
- BPre ignition
- CDetonation
28What type of fuel can be substituted for an aircraft if the recommended octane is not available?
- AThe next higher octane aviation gas.
- BThe next lower octane aviation gas.
- CUnleaded automotive gas of the same octane rating.
29Filling the fuel tanks after the last flight of the day is considered a good operating procedure because this will
- AForce any existing water to the top of the tank away from the fuel lines to the engine.
- BPrevent expansion of the fuel by eliminating air space in the tank.
- CPrevent moisture condensation by eliminating air space in the tank.
30To properly purge water from the fuel system of an aircraft equipped with fuel tanks sumps and the fuel strainer quick drain, it is necessary to drain fuel from the
- AFuel strainer drain.
- BLowest point in the fuel system.
- CFuel strainer drain and the fuel tank sump.
31During pre flight in cold weather, crankcase breather lines should receive special attention because they are susceptible to being clogged by
- ACongealed oil from the crankcase.
- BMoisture from the outside air which has frozen.
- CIce from crankcase vapors that have condensed and subsequently frozen.
32If a pilot suspects that the engine, with a fixed pitch propeller, is detonating during climb out after take off, the initial corrective action to take would be to
- ALean the mixture
- BLower them know slightly to increase airspeed
- CApply carburetor heat
33Excessively high engine temperatures will
- ACause damage to heat-conducting hoses and warping on the cylinder cooling fins.
- BCause loss of power, excessive oil consumption, and possible permanent internal engine damage.
- CNot appreciably affect an aircraft engine.
34Excessively high engine temperatures, either in the air or on the ground, will
- AIncrease fuel consumption and may increase power due to the increased heat.
- BResult in damage to heat conducting hoses and warping of cylinder cooling fans.
- CCause loss of power, excessive oil consumption, and possible permanent internal engine damage.
35If the engine oil temperature and cylinder head temperature gauges have exceeded their normal operating range, the pilot had been operating with
- AMixture set too rich.
- BHigher than normal oil pressure.
- CToo much power and with the mixture set too lean.
36Which would most likely cause the cylinder head temperature and engine oil temperature gauges to exceed their normal operating range is?
- AUsing fuel that has a lower than specified fuel rating.
- BUsing fuel that has a higher than specified fuel rating.
- COperating with higher than normal oil pressure.
37For internal cooling, reciprocating aircraft engines are especially dependent on
- AA properly functioning thermostat
- BAir flowing over the exhaust manifold.
- CThe circulation of lubricating oil.
38Which is true regarding preheating an aircraft during cold weather operations?
- AThe cabin area as well as the engine should be preheated.
- BThe cabin area should not be preheated with portable heaters.
- CHot air should be blown directly at the engine through the air intakes.
39 An abnormally high engine oil temperature indication may be caused by
- AThe oil level being too low.
- BOperating with a too high viscosity oil.
- COperating with an excessively rich mixture.
40What action can a pilot take to aid in cooling an engine that is overheating during the climb?
- AReduce rate of climb and increase airspeed.
- BReduce climb speed and increase rpm.
- CIncrease climb speed and increase rpm
41What is one procedure to aid in cooling an engine that is overheating?
- Aenrich in the fuel mixture.
- BIncrease the RPM.
- CReduce the air speed.
42The most important rule to remember in the event of a power failure after becoming airborne is to
- AImmediately establish the proper gliding attitude and airspeed.
- BQuickly check the fuel supply for possible fuel exhaustion.
- CDetermine the wind direction to plan for the forced landing.
43How is engine operation controlled on an engine equipped with a constant speed propeller?
- AThe throttle controls power output as registered on the manifold pressure gauge and the propeller control regulates engine rpm.
- BThe throttle controls power output as registered on the manifold pressure gauge and the propeller control regulates a constant blade angle.
- CThe throttle controls engine rpm as registered on the tachometer and the mixture control regulates the power output.
44What is the advantage of a constant speed propeller?
- APermits the pilot to select and maintain a desired cruising speed.
- BPermits the pilot to select the blade angle for the most efficient performance.
- CProvides a smoother operation with stable rpm and eliminate vibrations.
45A precaution for the operation of an engine equipped with a constant speed propeller is to
- AAvoid high rpm settings with high manifold pressure.
- BAvoid high manifold pressure settings with low rpm.
- CAlways use a rich mixture with a high rpm settings.
46In what flight condition is torque effect the greatest in a single engine airplane?
- ALow air speed, high power, high angle of attack.
- BLow air speed, low power, low angle of attack
- CHigh airspeed, high power, high angle of attack.
47The left turning tendency of an airplane caused by P-factor is the result of the
- AClockwise rotation of the engine and the propeller turning the airplane counterclockwise.
- BPropeller blade descending on the right, producing more thrust than the ascending blade on the left
- CGyroscopic forces applied to the rotating propeller blades acting 90 degrees in advance of the point the force was applied.
48When does P factor cause the airplane to yaw to the left
- AWhen at low angles of attack.
- BWhen at high angles of attack.
- CWhen at higher airspeeds.
49During the pre flight inspection who was responsible for determining the aircraft is safe for flight?
- APilot in command.
- BThe owner or operator.
- CThe certified mechanic who performed the annual inspection.
50How should an aircraft preflight inspection be accomplished for the first flight of the day?
- AQuick walk around with a check of gas and oil.
- BThorough and systematic means recommended by the manufacturer.
- CAny sequence as determined by the pilot in command.
51Who is primarily responsible for maintaining an aircraft in airworthy condition?
- APilot in command.
- BOwner or operator.
- CMechanic.
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- Quiz on ASA FAA Aircraft Systems, created by Reuben Moore on 05/02/2016.
- Author
- Reuben Moore
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