Ch 2 - Airplane, Instruments, Engines & Systems - Questions 101 - 146

Question 1

What steps must be taken when flying with glass cockpits to ensure safe flight?

Answer 1

Regularly scan both inside and outside, use all appropriate checklists and cross-check with other forms of information.

Question 2

An aircraft which is equipped with an Electronic Flight Display (EFD) can

Answer 2

Offer new capabilities and simply the basic flying task.

Question 3

You are flying an aircraft equipped with an electronic flight display and the air data computer fails. What instrument is affected?

Answer 3

Airspeed Indicator.

Question 4

An abnormally high engine oil temperature indication may be caused by

Answer 4

The oil level being too low.

Question 5

Excessively high engine temperature will

Answer 5

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

Question 6

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

Answer 6

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

Question 7

For internal cooling, air cooled engines are especially dependent on

Answer 7

The circulation of lubricating oil.

Question 8

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

Answer 8

Too much power and with the mixture set too lean.

Question 9

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

Answer 9

Reduce rate of clim and increase airspeed.

Question 10

What is one procedure to aid in cooling an engine that is overheating?

Answer 10

Enrich the fuel mixture.

Question 11

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

Answer 11

The throttle controls power output as registered on the manifold pressure gauge and the propeller control resulted engine RPM.

Question 12

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

Answer 12

Avoid high manifold pressure settings with low RPM.

Question 13

What is an advantage of a constant-speed propeller?

Answer 13

Pemits the pilot to select the blade angle for the most efficient performance.

Question 14

One purpose of the dual ignition system on an aircraft engine is to provide for

Answer 14

Improved engine performance.

Question 15

If the ignition switch ground wire becomes disconnected, the magneto

Answer 15

May continue to fire.

Question 16

The reason a 4-cylinder reciprocating engine continues to run after the ignition switch is positioned to OFF maybe be a

Answer 16

Broken magneto ground wire.

Question 17

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

Answer 17

More susceptible to icing.

Question 18

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

Answer 18

Temperature between 20F and 70F and high humidity.

Question 19

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

Answer 19

High as 70F and the relative humid is high.

Question 20

If an aircraft is equipped with a fixed-pitch propeller and a float-typer carburetor, the first indication of carburetor ice would most likely be

Answer 20

Decrease RPM

Question 21

In an aircraft is equipped with a fixed-propeller and float-type carburetor, the first indication of carburetor ice would most lily be

Answer 21

Loss of RPM.

Question 22

The operating principle of float0type carburetors is based on the

Answer 22

Difference in air pressure as the Venturi thereat and the air vent.

Question 23

The presence of carburetor ice is an aircraft equipped with a fixed-pitch propeller can be verified by applying carburetor heat and nothing

Answer 23

A decrease in RPM and then a gradual increase in RPM.

Question 24

Generally speaking, the use of carburetor heat tends to

Answer 24

Decrease engine performance.

Question 25

Applying carburetor heat will

Answer 25

Enrich the fuel/ air mixture.

Question 26

What changes occurs in the fuel/air mixture when carburetor heat is applied?

Answer 26

The fuel/air mixture becomes richer.

Question 27

During the run-up at high-elevation airport, a pilot notes a 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?

Answer 27

Check the results contained with cleaner setting of the mixture.

Question 28

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

Answer 28

Decrease the fuel flow in order to compensate decreased air density.

Question 29

While cruising at 9,500 feet MSL, the fuel/air mixture is properly adjusted. What will occur if a descent to 4,500 feet MSL is made without readjusting the mixture?

Answer 29

The fuel/air mixture may become excessively lean.

Question 30

Fuel/air ratio is the ratio between the

Answer 30

Weight of fuel and weight of air entering the cylinder.

Question 31

Detonation occurs in a reciprocating aircraft engine when

Answer 31

The unburned charge in the cylinders explodes instead of burning normally.

Question 32

Detonation may occur at high-power settings when

Answer 32

The fuel mixture ignites instantaneously instead of burning progressively and evenly.

Question 33

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

Answer 33

Lower the nose slightly to increase airspeed.

Question 34

If the grade of fuel used in an aircraft engine is lower than specified for the engine, it will mist likely cause

Answer 34

Detonation.

Question 35

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

Answer 35

Pre-ignition.

Question 36

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

Answer 36

The next higher octane aviation gas.

Question 37

Filing the fuel tanks after the last flight of the day is considered a good operating procured because this will

Answer 37

Moisture condensation by eliminating airspace in the tanks.

Question 38

On aircraft equipped with fuel pumps, when is the auxiliary electric driven pump used?

Answer 38

In the event engine -driven fuel pump fails

Question 39

Which would mist likely cause the cylinder head temperature and engine oil temperature gauges to exceed their normal operating ranges?

Answer 39

Using fuel that has a lower-than-specified fuel rating.

Question 40

What should be the first action after stating an aircraft engine?

Answer 40

Adjust for proper RPM and check fro desired indications on the engine gauges.

Question 41

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

Answer 41

Ice from crankcase vapours that have condensed and subsequently frozen.

Question 42

An electrical system failure (battery and alternator) occurs during fight. In this situation, you would

Answer 42

Experience avionics equipment failure.

Question 43

A positive indication on an ammeter

Answer 43

Shows the rate of charge on the battery.

Question 44

To keep a battery charged, the alternator voltage output should be

Answer 44

Higher than the battery voltage.

Question 45

Which of the following is a true statement concerning electrical systems?

Answer 45

Lights and radios use the electrical system for power.