BasicAero, PPL

Question 1

Whr may an a/c’s operating limitations be found?

Answer 1

In the current, FAA-approved flight manual, approved manual material, marking, and placards. or any combination thereof.

Question 2

The operating principle of float-type carturetors is based on the

Answer 2

difference in air pressure at the venturi tgroat and the air inlet.

Question 3

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

Answer 3

decrease the fuel flow in order to compensate for decreased air density.

Question 4

During tge run-up at a high-elevation airport, a pilot notes a slight engine roughtness that is not affected by the magneto check but grows worse during the carburetor heat check. Under these circunstances, what would be the most logical initial action?

Answer 4

Check the rusults obtained with a leaner setting of the mixture.

Question 5

While cruising at 9500feet MSL, the fuel/air mixture is properly adjusted. What will occur if a descent to 4500feet MSL is made without readjusting the mixture?

Answer 5

The fuel/air mixture may becone excessively lean.

Question 6

Excessively high engine temp will

Answer 6

cause loss pwr, excessive oil consumption

Question 7

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

Answer 7

too much pwr and with the mixture set too lean

Question 8

One purpose of the dual ignition system on an a/c engine is to provide for

Answer 8

Improved engine performance

Question 9

On a/c equipped with fuel pumps, when is the aux electric driven pump used?

Answer 9

In the event engine-driven fuel pump fails.

Question 10

The presence of carburetor ice in an a/c equipped witg a fixed-pitch propeller can be verified by applying carburetor heat and noting

Answer 10

a decrease in RPM and then a gradual increase in RPM

Question 11

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

Answer 11

more susceptible to icing

Question 12

If the grade of fuel used in an a/c engine is lower than specified for engine, it will mose likely cause

Answer 12

detonation

Question 13

Detonation occurs in a reciprocating a/c engine when

Answer 13

the unburned charge in the cylinders explodes instead of burning normally

Question 14

If a pilot suspects that engine (wt a fixed-pitch propeller) is detonation during climb-out after t/o, the initial corrective action to take would to

Answer 14

lower the nose slightly to increase a/s

Question 15

Which condition is most favorable to the development of carburetor icing?

Answer 15

Temp btw 20 and 70 degree F and high humidity

Question 16

The possibility of carburetor icing exists even when the ambient air temp is as

Answer 16

high as 70’F and the relative humiditt is high

Question 17

If an a/c is equipped wt a fized-pitch propeller and a float-type carburetor, the 1st indication of carbu ice would most likely be

Answer 17

loss of RPM

Question 18

Applying carbu heat will

Answer 18

enrich the fuel/air mixture

Question 19

Wht change occurs in the fuel/air mixture when carbu heat is applied?

Answer 19

The fuel/air mixture becomes richer

Question 20

Generally speaking, the use of carbu heat tends to

Answer 20

decrease engine performance