4437616
Descripción
Test por Reuben Moore, actualizado hace más de 1 año
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Creado por Reuben Moore
hace casi 9 años
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Pregunta 1
Pregunta
Should it be necessary to handprop an airplane, it is extremely important that a competent pilot
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Call "contact" before touching the propeller.
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Be at the controls in the cockpit.
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Be in the cockpit and call out the commands.
Pregunta 2
Pregunta
What should be the first action after starting an aircraft engine.
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Adjust for proper RPM and check for desired indications on the engine gauges.
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Place the magneto or ignition switch momentarily in the OFF position to check for proper grounding.
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Test each brake and the parking brake.
Pregunta 3
Pregunta
What is the one purpose for using reciprocating engines.
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Heat is distributed better.
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To preserve cylinder head duration and maintain lower temperatures.
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They are relatively simple and inexpensive to operate.
Pregunta 4
Pregunta
One purpose of the dual ignition system on an aircraft engine is to provide for
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Improved engine performance
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uniform heat distribution
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balance cylinder head pressure
Pregunta 5
Pregunta
An electrical system failure (battery an alternator) occurs during flight. In this situation you would
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Experience avionics equipment failure
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Probably experience failure of the engine ignition system, fuel gauges, aircraft lighting system, and avionics equipment
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Probably 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.
Pregunta 6
Pregunta
If the ground wire between the magneto and the ignition ignition switch becomes disconnected, the most notable result will be that the engine
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Will run very rough.
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Cannot be started with the switch in the ON position.
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Cannot be shut down by turning the switch to the OFF position.
Pregunta 7
Pregunta
One purpose of the dual ignition system on a two cycle engine is to provide for
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System redundancy in the ignition system
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Uniform heat distribution
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Balance cylinder head pressure
Pregunta 8
Pregunta
Electrical system failure (battery and alternator) occurs in a magneto equipped aircraft during flight. In this situation, you would
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Probably 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.
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Probably experience failure of the engine ignition system, fuel gauges, aircraft lighting system, and avionics equipment.
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Experience avionics equipment failure.
Pregunta 9
Pregunta
Concerning the advantages of an aircraft generator or alternator, select the true statement.
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A generator always provides more electrical current than an alternator.
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An alternator provides more electrical power at lower engine RPM than a generator.
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A generator charges the battery during low engine rpm; therefore, the battery has less chance to become fully discharged, as often occurs with an alternator.
Pregunta 10
Pregunta
The operating principle of flow type carburetors is based on the
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Automatic metering of air at the venturi as the aircraft games altitude
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Difference in air pressure at the venturi throat and the air inlet
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Increase in air velocity in the throat of a venturi causing an increase in air pressure
Pregunta 11
Pregunta
The basic purpose of adjusting the fuel/air mixture at altitude is too
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Decrease the amount of fuel in the mixture in order to compensate for increased air density
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Decrease the fuel flow in order to compensate for decreased air density
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Increase the amount of fuel in the mixture to compensate for a decrease in pressure and density of the air.
Pregunta 12
Pregunta
While 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?
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The fuel/air mixture may become excessively lean.
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There will be more fuel in the cylinders than is needed for normal combustion, and the excess fuel will absorb heat and cool the engine.
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Excessively rich mixture will create higher cylinder head temperatures and may cause detonation.
Pregunta 13
Pregunta
During 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?
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Check the results obtained with a leaner setting of the mixture.
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Taxi back to the flight line for a maintenance check.
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Reduce manifold pressure to control the detonation.
Pregunta 14
Pregunta
If 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
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A drop in oil temperature and cylinder head temperature
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Engine roughness
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Loss of RPM
Pregunta 15
Pregunta
The presence of carburetor ice in an aircraft equipped with a fixed pitch propeller can be verified by applying carburetor heat and noting
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And increase in rpm and then a gradual decrease in rpm
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Decrease in rpm and then a constant rpm indication
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A decrease in rpm and then a gradual increase in rpm
Pregunta 16
Pregunta
Which condition is most favorable to the development of carburetor icing?
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Any temperature below freezing and a relative humidity of less than 50%
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Temperature between 32 and 50 degrees Fahrenheit and low humidity
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Temperature between 20 degrees and 70 degrees Fahrenheit and high humidity
Pregunta 17
Pregunta
The possibility of carburetor icing exists even when the ambient air pressure is as
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Highest 70 degrees Fahrenheit and the relative humidity is high
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High is 95 degrees Fahrenheit and there is visible moisture
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Low as 0 degrees Fahrenheit and the relative humidity is high
Pregunta 18
Pregunta
Applying carburetor heat will
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Result in more air going through the carburetor.
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Enrich the fuel/air mixture
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Not affect the fuel/air mixture.
Pregunta 19
Pregunta
What change occurs in the fuel/air mixture when carburetor heat is applied?
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A decrease in rpm results from the lean mixture.
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The fuel/air mixture becomes richer.
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The fuel/air mixture becomes leaner period
Pregunta 20
Pregunta
Generally speaking, the use of carburetor heat tends to
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Decrease engine performance
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Increase engine performance
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Have no effect on engine performance
Pregunta 21
Pregunta
With regard to carburetor ice, float - type carburetor systems in comparison to fuel injection systems are generally considered to be
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More susceptible to icing.
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Equally susceptible to icing.
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Susceptible to icing only when visible moisture is present.
Pregunta 22
Pregunta
Which condition is most favorable to the development of carburetor icing?
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Any temperature below freezing and a relative humidity of 50%.
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Temperature between 32 degrees and 50 degrees Fahrenheit and low humidity.
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Temperature between 20 degrees and 70 degrees Fahrenheit and high humidity.
Pregunta 23
Pregunta
On an aircraft equipped with fuel pumps, when is the auxiliary electric driven pump used?
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All the time to a the engine driven fuel pump.
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In the event engine-driven fuel pump fails.
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Constantly except in starting the engine.
Pregunta 24
Pregunta
If the grade of fuel used in an aircraft engine is lower than specified for the engine, it will most likely cause
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A mixture of fuel and air that is not uniform in all cylinders.
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Lower cylinder head temperature.
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Detonation.
Pregunta 25
Pregunta
Detonation may occur at high power settings when
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The fuel mixture ignites instantaneously instead of burning progressively and evenly
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An excessively rich fuel mixture causes an explosive gain in power
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The fuel mixture is ignited too early by hot carbon deposits in the cylinder
Pregunta 26
Pregunta
Detonation occurs in a reciprocating aircraft engine when
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The spark plugs are fouled or shorted out or the wiring is defective.
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Hot spots in the combustion chamber ignite the fuel/air mixture in advance of normal ignition.
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The unburned charged in the cylinders explodes instead of burning normally.
Pregunta 27
Pregunta
The uncontrolled firing of the fuel/air charge in advance of normal spark ignition is known as
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Combustion
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Pre ignition
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Detonation
Pregunta 28
Pregunta
What type of fuel can be substituted for an aircraft if the recommended octane is not available?
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The next higher octane aviation gas.
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The next lower octane aviation gas.
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Unleaded automotive gas of the same octane rating.
Pregunta 29
Pregunta
Filling the fuel tanks after the last flight of the day is considered a good operating procedure because this will
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Force any existing water to the top of the tank away from the fuel lines to the engine.
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Prevent expansion of the fuel by eliminating air space in the tank.
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Prevent moisture condensation by eliminating air space in the tank.
Pregunta 30
Pregunta
To 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
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Fuel strainer drain.
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Lowest point in the fuel system.
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Fuel strainer drain and the fuel tank sump.
Pregunta 31
Pregunta
During pre flight in cold weather, crankcase breather lines should receive special attention because they are susceptible to being clogged by
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Congealed oil from the crankcase.
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Moisture from the outside air which has frozen.
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Ice from crankcase vapors that have condensed and subsequently frozen.
Pregunta 32
Pregunta
If 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
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Lean the mixture
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Lower them know slightly to increase airspeed
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Apply carburetor heat
Pregunta 33
Pregunta
Excessively high engine temperatures will
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Cause damage to heat-conducting hoses and warping on the cylinder cooling fins.
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Cause loss of power, excessive oil consumption, and possible permanent internal engine damage.
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Not appreciably affect an aircraft engine.
Pregunta 34
Pregunta
Excessively high engine temperatures, either in the air or on the ground, will
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Increase fuel consumption and may increase power due to the increased heat.
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Result in damage to heat conducting hoses and warping of cylinder cooling fans.
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Cause loss of power, excessive oil consumption, and possible permanent internal engine damage.
Pregunta 35
Pregunta
If the engine oil temperature and cylinder head temperature gauges have exceeded their normal operating range, the pilot had been operating with
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Mixture set too rich.
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Higher than normal oil pressure.
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Too much power and with the mixture set too lean.
Pregunta 36
Pregunta
Which would most likely cause the cylinder head temperature and engine oil temperature gauges to exceed their normal operating range is?
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Using fuel that has a lower than specified fuel rating.
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Using fuel that has a higher than specified fuel rating.
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Operating with higher than normal oil pressure.
Pregunta 37
Pregunta
For internal cooling, reciprocating aircraft engines are especially dependent on
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A properly functioning thermostat
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Air flowing over the exhaust manifold.
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The circulation of lubricating oil.
Pregunta 38
Pregunta
Which is true regarding preheating an aircraft during cold weather operations?
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The cabin area as well as the engine should be preheated.
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The cabin area should not be preheated with portable heaters.
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Hot air should be blown directly at the engine through the air intakes.
Pregunta 39
Pregunta
An abnormally high engine oil temperature indication may be caused by
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The oil level being too low.
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Operating with a too high viscosity oil.
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Operating with an excessively rich mixture.
Pregunta 40
Pregunta
What action can a pilot take to aid in cooling an engine that is overheating during the climb?
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Reduce rate of climb and increase airspeed.
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Reduce climb speed and increase rpm.
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Increase climb speed and increase rpm
Pregunta 41
Pregunta
What is one procedure to aid in cooling an engine that is overheating?
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enrich in the fuel mixture.
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Increase the RPM.
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Reduce the air speed.
Pregunta 42
Pregunta
The most important rule to remember in the event of a power failure after becoming airborne is to
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Immediately establish the proper gliding attitude and airspeed.
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Quickly check the fuel supply for possible fuel exhaustion.
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Determine the wind direction to plan for the forced landing.
Pregunta 43
Pregunta
How is engine operation controlled on an engine equipped with a constant speed propeller?
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The throttle controls power output as registered on the manifold pressure gauge and the propeller control regulates engine rpm.
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The throttle controls power output as registered on the manifold pressure gauge and the propeller control regulates a constant blade angle.
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The throttle controls engine rpm as registered on the tachometer and the mixture control regulates the power output.
Pregunta 44
Pregunta
What is the advantage of a constant speed propeller?
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Permits the pilot to select and maintain a desired cruising speed.
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Permits the pilot to select the blade angle for the most efficient performance.
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Provides a smoother operation with stable rpm and eliminate vibrations.
Pregunta 45
Pregunta
A precaution for the operation of an engine equipped with a constant speed propeller is to
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Avoid high rpm settings with high manifold pressure.
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Avoid high manifold pressure settings with low rpm.
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Always use a rich mixture with a high rpm settings.
Pregunta 46
Pregunta
In what flight condition is torque effect the greatest in a single engine airplane?
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Low air speed, high power, high angle of attack.
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Low air speed, low power, low angle of attack
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High airspeed, high power, high angle of attack.
Pregunta 47
Pregunta
The left turning tendency of an airplane caused by P-factor is the result of the
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Clockwise rotation of the engine and the propeller turning the airplane counterclockwise.
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Propeller blade descending on the right, producing more thrust than the ascending blade on the left
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Gyroscopic forces applied to the rotating propeller blades acting 90 degrees in advance of the point the force was applied.
Pregunta 48
Pregunta
When does P factor cause the airplane to yaw to the left
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When at low angles of attack.
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When at high angles of attack.
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When at higher airspeeds.
Pregunta 49
Pregunta
During the pre flight inspection who was responsible for determining the aircraft is safe for flight?
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Pilot in command.
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The owner or operator.
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The certified mechanic who performed the annual inspection.
Pregunta 50
Pregunta
How should an aircraft preflight inspection be accomplished for the first flight of the day?
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Quick walk around with a check of gas and oil.
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Thorough and systematic means recommended by the manufacturer.
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Any sequence as determined by the pilot in command.
Pregunta 51
Pregunta
Who is primarily responsible for maintaining an aircraft in airworthy condition?
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Pilot in command.
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Owner or operator.
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Mechanic.
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