Aircraft Systems

Question 1

3357- Should it. became necessary to hand prop an airplane engine, it is extremely important that a competent pilot

Answer 1

Be at the controls of the airplane

Question 2

3356- What should be the first action after starting an airplane engine

Answer 2

Adjust for proper RPM and check desired indications on engine gauges

Question 3

3651-1- What is one purpose for using reciprocating engines

Answer 3

The are relatively simple and easy to operate

Question 4

3223- One purpose of the duel ignition system on an aircraft engine is to provide for

Answer 4

Improved engine performance

Question 5

3223-1- An electrical system failure occurs during flight. In this situation, you would

Answer 5

Experience avionics equipment failure

Question 6

3223-2- If the. ground wire between the magneto and the ignition system gets disconnected, the most noticeable result would be that the engine

Answer 6

Cannot be shut down by turning the. switch into the off position

Question 7

2242- One purpose of the duel ignition system on a two cycle engine is to provide for

Answer 7

System redundancy in the ignition system

Question 8

2238- An electrical system failure occurs in a magneto equipped aircraft during flight. In this situation you would

Answer 8

Experience avionics equipment failure

Question 9

2364- Concerning the advantages of an aircraft generator or alternator, select the true statement

Answer 9

An alternator provides more electrical power at lower RPM than a generator

Question 10

3225- The operating principal of float type carburetors is based on the

Answer 10

difference in air pressure between the Venturi throat and the air inlet

Question 11

3226- The basic purpose of adjusting the fuel/air mixture at altitude is to

Answer 11

decrease fuel flow to compensate for decreased air density

Question 12

3228- While cruising at 9,500MSL, the fuel air mixture properly adjusted. What will occur if a decent to 4,500MSL is made without readjusting the mixture

Answer 12

The fuel/air mixture may become excessively lean

Question 13

3227- During the run up at high elevation airport, a pilot notices a slight 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

Answer 13

Check the results obtained with a leaner setting of the mixture

Question 14

3231- If an airplane is equipped with a fixed pitch propellor and a float type carburetor, the first indication of carb ice would be

Answer 14

loss of RPM

Question 15

3229- Which condition is most favorable to carburetor icing

Answer 15

temp between 20-70F with high humidity

Question 16

3230- Carburetor icing can occur with an OAT as high as

Answer 16

20C and high relative humidity

Question 17

3232- Applying carburetor heat will

Answer 17

enrich the fuel/air mixture

Question 18

3233- What change occurs in the fuel/air mixture when carburetor heat is applied

Answer 18

The fuel/air mixture is enriched

Question 19

3234- Generally speaking, the use of carburetor heat tends to

Answer 19

decrease engine performance

Question 20

3236- With regard to carburetor ice, float type carburetors in comparison to fuel injection systems are generally considered to be

Answer 20

more susceptible to icing

Question 21

3241- Which condition is most favorable to carb ice

Answer 21

Temp between 20-70F

Question 22

3224- On aircraft equipped with fuel pumps, when is the aux fuel pump used

Answer 22

In the even the engine driven fuel pump fails

Question 23

3237- If the ride of fuel used in an aircraft engine is lower then specified for the engine, it will mostly likely cause

Answer 23

detonation

Question 24

3238- Detonation may soccer at high power setting when

Answer 24

the fuel air mixture ignites instantaneously

Question 25

3238-1- Detonation occurs in a reciprocating aircraft engine when

Answer 25

The unburned charge in the cylinders explodes instead of burning instantly

Question 26

3240- The uncontrolled firing of the fuel/air charge in advance if normal spark ignition is known as

Answer 26

pre-ignition

Question 27

3242- What type of fuel can be substituted for an aircraft if the recommended octane is not available

Answer 27

The next highest octane aviation gas

Question 28

3243- Filling the fuel tanks after the last flight of the day is considered good operating procedure because this will

Answer 28

Prevent moisture condensation by eliminating airspace in the tanks

Question 29

3243-1- To properly purge water from the fuel system of an aircraft equipped with tank sumps and a fuel strainer quick drain, it is necessary to drain the fuel from

Answer 29

fuel strainer drain and the fuel tank sumps

Question 30

2353- During preflight in cold weather, crankcase breather lines should receive special attention because they are susceptible to being clogged by

Answer 30

Ice from crankcase vapors that have condensed and subsequently frozen

Question 31

3239- If the pilot suspects that the engine (with a fixed pitched propeller) is detonating during climb out after takeoff, the initial corrective action would be to

Answer 31

Lower nose slightly to increase airspeed

Question 32

3221- Excessively high engine temperatures will

Answer 32

Cause loss of power, excessive oil consumption, and possible permanent internal engine damage

Question 33

3221-1- Excessively high engine temperatures, either in the air or on the ground, will

Answer 33

Cause loss of power, excessive oil consumption, and possible permanent internal engine damage

Question 34

3222- If the engine oil temperature and cylinder head temperature gauges have exceeded their normal operating range, the pilot may have been operating with

Answer 34

too much power and with the mixture set too lean

Question 35

3241- Which would most likely cause the cylinder head temperature and engine oil temperature gauges to exceed their normal operating ranges

Answer 35

Using fuel that has a lower than specified fuel rating

Question 36

3244- For internal cooling, reciprocating engines are especially dependent on

Answer 36

The circulation of lubricating oil

Question 37

2354- Which is true regarding preheating an aircraft during cold weather operations

Answer 37

The cabin area as well as the engine should be preheated

Question 38

3245- An abnormally high engine oil temperature indication may be caused by

Answer 38

The oil level being too low

Question 39

3651- What action can a pilot take to aid in cooling an engine that is overheating during a climb

Answer 39

Reduce climb and increase airspeed

Question 40

3652- What is one procedure to aid in an engine that is overheating

Answer 40

Enrichen fuel mixture

Question 41

3711- The most important rule to remember in the event of a power failure after becoming airborne is

Answer 41

immediately establish proper gliding attitude and airspeed

Question 42

3653- How is engine operation controlled on an engine equipped with a constant speed propeller

Answer 42

The throttle controls power output as registered on the manifold pressure gauge and the propeller regulates RPM

Question 43

3654- What is an advantage of a constant speed propeller

Answer 43

Permits the pilot to select the blade angle for the most efficient performance

Question 44

3655- A precaution for the operation of an engine equipped with a constant-speed propeller is to

Answer 44

Avoid high manifold pressure settings with low RPM

Question 45

3207- In what flight condition is torque effect the greatest in a single engine airplane

Answer 45

low airspeed, high power, high angle of attack

Question 46

3208- The let turning tendency of an airplane caused by P-factor is the result of the

Answer 46

Propeller blade descending to the right, producing more thrust than the ascending blade on the left

Question 47

When does P-factor cause the airplane to turn to the left

Answer 47

When at high angles of attack.