Theory of Flights

Question 1

Described bird flight as the combined effect of the action of the individual feathers as they twist and turn during flight and the complex flapping of the wings.

Answer 1

1680 of Giovanni Borelli’s De Motu Animalum

Question 2

Ancestors of modern aviation and airplane

Answer 2

kites

Question 3

Year kites are flown and where

Answer 3

400 BC in China

Question 4

When and Who put on a pair of wings and leapt

Answer 4

1020 AD Oliver of Malmesbury

Question 5

Worked with Air, Pressure, and steam to create sources of power

Answer 5

Ancient Greek Engineer Heron Alexandrinus

Question 6

Experiment which used hets of steam to create a rotary motion

Answer 6

aeolipile or Hero’s engine

Question 7

who designed the first successful flying craft

Answer 7

Joseph and Jacques Montgolfier

Question 8

The first aviators

Answer 8

duck, rooster, and sheep

Question 9

First who discovered how wings work

Answer 9

Sir George Cayley

Question 10

Sentence that set in motion the future study of aerodynamics

Answer 10

“The whole problem is confined within these limits, namely to make a surface support a given weight by the application of power to the resistance of air”

Question 11

Time and Date of of the first successful airplane

Answer 11

10:35 am on December 17, 1903

Question 12

Name of the first successful airplane

Answer 12

Flyer

Question 13

Who made the world’s first successful airplane

Answer 13

Orville and Wilbur Wright

Question 14

Describe the first airplane

Answer 14

Has own engine that weighed 200 pounds, 4 cylinders, make 12 horsepower. Has no seat and had to lay in the bottom wing.

Question 15

three sectors of aviation community

Answer 15

commercial aviation, general aviation, military aviation

Question 16

what is commercial aviation

Answer 16

airplane for hire, can fly domestically or internationally

Question 17

what is general aviation

Answer 17

non-commercial business flights, aerial work, instructional and pleasure flying and other flying

Question 18

what is military aviation

Answer 18

search and rescue operation, disaster operation, crash and retrieval operation, dog military operation.

Question 19

two categories of aircraft

Answer 19

lighter-than-air aircraft and heavier-than-air aircraft

Question 20

powered aircraft with a wing and tail

Answer 20

airplane

Question 21

aircraft having no engine which is capable of free flight only while it is descending through the air

Answer 21

glider / sailplanes / seaplane

Question 22

A machine that can drive support in the atmosphere from the reactions of the air than the reactions of the air against the earth’s surface. A weight carry structure, supported by its own buoyancy or by the dynamic action of the air against its surfaces, intended for navigation in the air.

Answer 22

aircraft

Question 23

widely known as conventional airplane having fuselage, wings and empennage

Answer 23

airplane

Question 24

It’s a non-power-driven aircraft, deriving its lift in flight chiefly from aerodynamic reactions on surface which remain fixed and conditions of flight.

Answer 24

gliders

Question 25

a type of aerostat or lighter-than-air aircraft that can navigate through the air under its own power.

Answer 25

airships

Question 26

It is also defined as the type of aircraft of the same design including all modifications there to except those modifications which result in a change in handling or flight characteristics.

Answer 26

heavier-than-air aircraft

Question 27

have the fewest operating limitations because their design requirements demand more strength than those of normal or utility airplanes "an intentional maneuver involving an abrupt change in an aircraft's attitude, an abnormal attitude, or abnormal acceleration, not necessary for normal flight."

Answer 27

aerobatic airplane

Question 28

aircraft designed to fly short, frequent routes from a small airport to a larger hub airport. Small airports have shorter runways which may limit the largest commuter aircraft to regional jets or turboprop-powered planes with nineteen (19) passengers or less.

Answer 28

commuter airplane

Question 29

usually refers to airliners and other large airplanes that exceed certain weight limits of 8,619 kilograms or more than the passenger-carrying capacity more than 19 seats.

Answer 29

transport airplane

Question 30

is for special purpose airplane such as agricultural spray airplane or slurry bombers to fight forest fires.

Answer 30

restricted airplane

Question 31

an aircraft that has not yet been fully proven in flight. Often, this implies that new aerospace technologies are being tested on the aircraft, though the label is broader.

Answer 31

experimental aircraft

Question 32

major components of an aircraft

Answer 32

powerplant, wing, empennage, fuselage, landing gears

Question 33

central body of an airplane and is designed to accommodate the crew, passengers, and cargo. It also provides the structural connection for the wings and tail assembly. Older types of aircraft design utilized an open truss structure constructed of wood, steel, or aluminum tubing.

Answer 33

fuselage

Question 34

airfoils attached to each side of the fuselage and are the main lifting surfaces that support the airplane in flight . may be attached at the top, middle, or lower portion of the fuselage. These designs are referred to as high-, mid-, and low-wing, respectively . The number of wings can also vary.

Answer 34

wing

Question 35

principal structural parts of the wings

Answer 35

spars, ribs, stringers

Question 36

determine the shape and thickness of the wing (airfoil)

Answer 36

wing ribs

Question 37

are either an integral part of the wing’s structure or consist of flexible containers mounted inside of the wing.

Answer 37

fuel tanks

Question 38

includes the entire tail group and consists of fixed surfaces, such as the vertical stabilizer and the horizontal stabilizer. The movable surfaces include the rudder, the elevator, and one or more trim tabs.

Answer 38

empennage

Question 39

principal support of the airplane when parked, taxiing, taking off, or landing.

Answer 39

landing gear

Question 40

usually includes both the engine and the propeller. The primary function of the engine is to provide the power to turn the propeller.

Answer 40

powerplant

Question 41

mounted on the front of the engine, translates the rotating force of the engine into thrust, a forward acting force that helps move the airplane through the air. rotating airfoil that produces thrust through aerodynamic action

Answer 41

propeller

Question 42

any surface, such as wing, which provides aerodynamic force when it interacts with a moving stream of air.

Answer 42

airfoil

Question 43

this part of the airfoil meets the airflow first.

Answer 43

leading edge

Question 44

this is the portion of the airfoil where the airflow over the upper surface rejoins the lower surface airflow.

Answer 44

trailing edge

Question 45

is an imaginary straight line drawn through an airfoil from the leading edge to the trailing edge.

Answer 45

chord line

Question 46

the characteristic curve of its upper and lower surfaces.

Answer 46

camber

Question 47

this is the direction of the airflow with respect to the wing.

Answer 47

relative wind

Question 48

this is the angle between the chordline of the airfoil and the direction of the relative wind.

Answer 48

angle of attack

Question 49

distinguished by having identical upper and lower surfaces. The mean camber line and chord line are the same on a symmetrical airfoil, and it produces no lift at zero AOA. Most light helicopters incorporate symmetrical airfoils in the main rotor blades.

Answer 49

symmetrical airfoil

Question 50

has different upper and lower surfaces, with a greater curvature of the airfoil above the chord line than below. The mean camber line and chord line are different. The nonsymmetrical airfoil design can produce useful lift at zero AOA. A nonsymmetrical design has advantages and disadvantages.

Answer 50

nonsymmetrical airfoil (cambered)

Question 51

refers to the shape of the airplane’s wing when viewed from above and below.

Answer 51

planform

Question 52

affects the difference in the velocity of the airflow between the upper and lower surfaces of the wing. If the upper camber increases and the lower camber remains the same, the velocity differential increases.

Answer 52

camber

Question 53

is the relationship between the length and width of the wing. It is one of the primary factors in determining lift/drag characteristics.

Answer 53

aspect ratio

Question 54

total surface area of the wings. Most wing don’t produce a great amount of lift per square foot, so wing area must be sufficient to support the weight of the airplane.

Answer 54

wing area

Question 55

burning created gas causing a craft to rise.

Answer 55

Montgolfier's gas

Question 56

known as father of aviation

Answer 56

George Cayley

Question 57

constructed the first aircraft that was heavier than air

Answer 57

George Cayley

Question 58

issues licenses as regards to the repair, alteration, inspection, and maintenance of military airplanes.

Answer 58

Civil Aviation Authority of the Philippines

Question 59

easily recognized by its large overhead propeller called rotor

Answer 59

rotary wing aircraft

Question 60

have powered rotor both vertical and horizontal motion through the air

Answer 60

helicopters

Question 61

type of rotorcraft whose main rotors are not connected to the engine except for the initial spin up. Aerodynamic forces causes the main rotor for spin during normal light

Answer 61

gyroplanes

Question 62

airplanes with a single set of wings

Answer 62

monoplane

Question 63

airplanes with two sets of wings

Answer 63

biplanes

Question 64

most type of landing gear

Answer 64

wheels

Question 65

landing gears for water

Answer 65

floats

Question 66

landing gears for snow

Answer 66

skis

Question 67

It also generates electrical power, provides a vacuum source for some flight instruments, and in most single-engine airplanes, provides a source of heat for the pilot and passengers.

Answer 67

powerplant

Question 68

direction of the relative wind and flight path

Answer 68

relative wind is upward and back while flight path is parallel to and opposite.

Question 69

when the angle of attack increases, what increases?

Answer 69

lift

Question 70

how does the lift act towards the relative wind

Answer 70

parallel

Question 71

formula of the aspect ratio

Answer 71

span / average chord

Question 72

the higher the aspect ratio, the higher is what?

Answer 72

lifting efficiency

Question 73

explain the bernoulli's principle

Answer 73

the higher the velocity, the lower the pressure and the lower the velocity, the higher the pressure