AMT

Question 1

Efforts to design a working gas turbine engine started at the
beginning of the

Answer 1

20th century

Question 2

Advantages of turbine engines

Answer 2

• increase reliability
• longer mean times between overhaul
• higher airspeed
• ease of operation at high altitudes
• high power to weight ratio

Question 3

During the _____, a gradual transition began from piston power to gas turbine jets and turboprops.

Answer 3

1950s

Question 4

Classic workhorses like the ____ and ____ gave way to the ____ and ____

Answer 4

1. DC-3
2. DC-7
3. Boeing 707
4. DC-8

Question 5

What law of motion is being applied for the jet propulsion

Answer 5

Third law of motion

Question 6

What is the action and reaction in jet propulsion

Answer 6

Action: Acceleration of the air
Reaction: Forward Movement (Thrust)

Question 7

Can be described as the propelling force generated in the direction
opposite to the flow of a mass

Answer 7

Jet propulsion

Question 8

Can be described as the propelling force generated in the direction opposite to the flow of a mass of gas or liquid under pressure which is escaping through a hole or opening called a ____.

Answer 8

Jet nozzle

Question 9

During this year a toy was devised using the reaction principle

Answer 9

250 BC

Question 10

a writer and mathematician
who devised a toy using this reaction principle

Answer 10

Hero

Question 11

consisted of a covered kettle of water that was heated to produce steam.

Answer 11

Aeolipile

Question 12

When and who invented gunpowder

Answer 12

1st Century AD by the Chinese

Question 13

Chinese & Mongols use rockets as

Answer 13

Arrows of flying fire

Question 14

When did the the chinese and mongols use arrows of flying fire

Answer 14

1232

Question 15

Balance force will cause an object to

Answer 15

not move

Question 16

Unbalanced force will cause an object to

Answer 16

move

Question 17

Newton’s 2nd Law of Motion states

Answer 17

Force equals mass accelerated (F = ma)

Question 18

2 ways on how to increase jet engine thrust

Answer 18

• increase the speed of exhaust gases
• increase the quantity of exhaust gases

Question 19

The history of mechanical jet propulsion began in

Answer 19

1900

Question 20

He submitted a thesis on gas turbine engines

Answer 20

Dr. Sanford Moss

Question 21

What company did Dr. Moss became an engineer in

Answer 21

General Electric

Question 22

Dr. Moss’s research influenced the development of what became the

Answer 22

first successful turbojet engine

Question 23

He was granted his first patent for a jet engine

Answer 23

Dr. Frank Whittle

Question 24

When did Frank Whittle applied for his first patent for a jet engine

Answer 24

1930

Question 25

What aircraft was use for the first flight of Whittle's engine

Answer 25

Gloster E28/39

Question 26

Thrust and speed of Whittle's engine

Answer 26

- 100lbs - 400mph/644kmh

Question 27

What type of engine did Whittle developed

Answer 27

gas turbine engine

Question 28

What type of engine did Ohain developed

Answer 28

jet engine

Question 29

a German engineer, designed and built a jet engine

Answer 29

Hans Von Ohain

Question 32

How much thrust did Ohain's engine produced

Answer 32

1100 lbs

Question 33

What aircraft was used to install Ohain's engine

Answer 33

Heinkel He-178

Question 34

When did the Heinkel He-178 made a successful flight

Answer 34

August 27, 1939

Question 35

it is recognized as the first practical flight of a jet-propelled aircraft

Answer 35

Heinkel HeS 3 Turbojet engine

Question 36

General Electric Company received a contract to research and develop a gas turbine engine in

Answer 36

1941

Question 37

a centrifugal- compressor type engine that produced approximately 1,650 pounds of thrust

Answer 37

GE-IA

Question 38

How much thrust was produced on GE-IA

Answer 38

1650 lbs

Question 39

What aircraft used GE-IA as its engine

Answer 39

Bell XP59 "Airacomet"

Question 40

How many GE-IA was used to power the Bell XP59 "Airacomet"

Answer 40

2

Question 41

When was the first flight of Bell XP59 "Airacomet"

Answer 41

October 1942

Question 42

Why was the Bell XP59 "Airacomet" never used in combat

Answer 42

Limited flight time of 30 min

Question 43

Currently, several manufacturers produce entire lines of jet-powered aircraft that cruise in excess of

Answer 43

600 mph / 965 kmh

Question 44

a supersonic commercial aircraft built collaboratively by a British and French consortium

Answer 44

Concorde

Question 45

Concorde was in service from ___ through ___

Answer 45

1976 to 2003

Question 46

The Concorde was capable of flying at ___ times the speed of sound.

Answer 46

2.2

Question 47

Engines that convert heat energy to mechanical energy

Answer 47

Heat engine

Question 48

Types of combustion engine (heat engine)

Answer 48

- External - Internal

Question 49

Types of internal combustion engine

Answer 49

- Reciprocating engine - Jet engine

Question 50

USE WASTE EXHAUST GAS FROM THE ENGINE TO DRIVE A SMALL TURBINE AND IN TURN POWERS A COMPRESSOR

Answer 50

Turbo supercharger

Question 51

When did Whittle's engine completed its first flight

Answer 51

May 15. 1941

Question 52

Whittle's engine component

Answer 52

- AIR COMPRESSOR - COMBUSTION CHAMBER - TURBINE - EXHAUST

Question 53

Whittle formed the company called

Answer 53

Power Jets

Question 54

FIRST OPERATIONAL BRITISH FIGHTER

Answer 54

Gloster meteor

Question 55

When was Whittle knighted?

Answer 55

1948

Question 56

Difference between Whittle's engine and Ohain's engine

Answer 56

- Whittle (Centrifugal compressor) - Ohain (Axial flow compressor)