Chapter 8: Aircraft In Motion

Question 1

The ___ axis of rotation runs from one wingtip, through the fuselage, and to the other wingtip and is controlled by the ___

Answer 1

Lateral (pitch), elevator

Question 2

The ___ axis of rotation runs from the tip of the airplane nose to the tip of the tail and is controlled by the ___

Answer 2

Longitudinal (roll), ailerons

Question 3

The ___ axis of rotation runs from the bottom through the top of the fuselage and is controlled by the ___

Answer 3

Vertical (yaw), rudder

Question 4

The flap (increases/decreases) the camber of the wing airfoil for that portion of the wing to which it is attached.

Answer 4

Increases

Question 5

Flaps are often used for both

Answer 5

Takeoffs and landings

Question 6

A protrusion from the leading edge of a wing that produces a slot which helps keep the airflow smooth (particularly at high angle of attack)

Answer 6

Slat

Question 7

The slat adds to the ___ lift of the wing

Answer 7

Induced

Question 8

What flight control destroys laminar flow and simultaneously reduces a certain amount of induced lift?

Answer 8

Spoilers

Question 9

Drag devices produce drag without affecting the

Answer 9

Airfoil’s lift

Question 10

Engine: air is accelerated and compressed by stator and rotor blades, then mixed with fuel and ignited in the combustion section, resulting in high-velocity gas or thrust

Answer 10

Turbojet Engine

Question 11

Engine: Aircraft propellers turned by a turbine

Answer 11

Turboprop engines

Question 12

Engine: Crankshaft and pistons working together to convert straight-line motion to rotary motion in order to turn an aircraft propeller

Answer 12

Reciprocating engine

Question 13

Engine: have to be traveling very fast through the air very fast in order to work

Answer 13

Ramjet/scramjet engine

Question 14

Engine: combines the air-moving efficiency of the turbofan engine with the thrusting efficiency of the propeller

Answer 14

Propfan system

Question 15

Engine: produce greater thrust and are more fuel efficient than standard turbojet engines

Answer 15

Turbofan engine

Question 16

Engine: takes air in, accelerates it, pushes it out the exhaust nozzle to produce thrust that pushes the aircraft forward

Answer 16

Turbine engine

Question 17

A fuselage type that uses internal braces to help the skin carry the stresses generated in flight

Answer 17

Semimonocoque

Question 18

Fuselage type that utilizes longerons and struts welded together at various angles to form its basic shape

Answer 18

Truss

Question 19

A fuselage type whose covering provides the required strength to resist the stresses of flight

Answer 19

Monocoque

Question 20

A hydraulic system is based on Pascal’s law of pressure applied to a liquid in a closed container

Answer 20

TRUE

Question 21

The hydraulic system of an aircraft may operate the brakes and control the flaps and propeller pitch, but it is not used in lowering the landing gear

Answer 21

FALSE

Question 22

A pilot can exert great pressure on control systems or structures by using the mechanical advantage gained in the hydraulic system.

Answer 22

TRUE

Question 23

A generator is a small electrical device used only to ignite the fuel-air mixture in the engine’s cylinders.

Answer 23

FALSE
(charges the battery, starts the engine, operates the radios, and operates navigation and landing lights)

Question 24

Most electrical devices and controls on an aircraft receive their energy from the generator and battery system.

Answer 24

TRUE

Question 25

One of aviation's first fuel guages involved string, a stick, and

Answer 25

A cork

Question 26

Early ___ indicators were merely wind gauges

Answer 26

Airspeed

Question 27

String was also used in the first aircraft by helping pilots determine

Answer 27

Attitude

Question 28

What are the 3 major categories of instrument classification by USE?

Answer 28

Engine, flight, navigation

Question 29

What are the 3 major categories of instrument classification by principles of operation?

Answer 29

Mechanical, pressure, electrical

Question 30

Measures altitude and most often is an android barometer

Answer 30

Altimeter

Question 31

Heavy roto wheel mounted so it is free to rotate

Answer 31

Gyroscope

Question 32

A type of compass which makes use of a gyroscope device and is affected by very little turbulence

Answer 32

Heading indicator (Turbulence part, not supported)

Question 33

The most basic and important navigational instrument

Answer 33

Magnetic compass

Question 34

Measures how fast the engine's crankshaft is turning

Answer 34

Tachometer

Question 35

Measures the passage of time

Answer 35

Clock

Question 36

A gyroscopic instrument which provides a horizon to show relationship to pitch and bank

Answer 36

Attitude indicator (provides artificial horizon)

Question 37

Measures rate of climb or descent

Answer 37

Vertical velocity indicator

Question 38

A two-in-one instrument revealing direction, rate, and quality of turn

Answer 38

Turn-and-slip indicator

Question 39

Informs pilots of their speed through the air by use of the pitot tube

Answer 39

Airspeed indicator

Question 40

The Wright Brothers were the first to fly a sustained, controlled, powered flight of a heavier than air vehicle.

Answer 40

TRUE

Question 41

The Wright brothers used a technique called wing warping to reshape the wings of their aircraft.

Answer 41

TRUE

Question 42

The classifications of fuselages are

Answer 42

Truss, semimonocoque, and monocoque

Question 43

The conventional landing system has one wheel forward and two wheels in the back.

Answer 43

FALSE (two wheels forward of the CG and a third, small tail wheel)

Question 44

The fuel system for an aircraft engine includes everything that involved delivery of fuel to the engine.

Answer 44

TRUE

Question 45

The word *turbine* means

Answer 45

Whirl