XI English Chapter 10 Air Travel

XI English Chapter 10 Air Travel

Air Travel

Q:1: When, where and by whom was the first aerial journey made?
The first aerial journey was made over Paris by a French man, Pilatre de Rozier on October 15, 1783. 

Q:2: What is the essential difference between an airship and an aeroplane?
The essential difference between an airship and an aeroplane is that an airship is lighter than air machine, while an aeroplane is heavier than air machine. 

Q:3: Who invented the internal combustion engine?
Why was this type of engine so important to the development of flight?
The internal combustion engine was invented in 1876 by a German named Otto. This type of engine transformed the world by making possible the development of the motor car and the aeroplane. 

Q:4: Who was the first man to fly in an aeroplane?
What was the date of his first flight and how long did it last?
The first man to fly in an aeroplane was an American Orville Wright. He flew on December 17, 1903. He stayed in the air for twelve seconds. 

Q:5: What in brief are the respective functions of the reconnaissance aeroplane and the fighter?
A reconnaissance plane is built to survey the enemy territory while a fighter built to shoot down enemy bombers on its territory. 

Q:6: How were the first bombing attacks on London made?
The first bombing attacks on London were made during World War I by a type of German airships called zeppelins. 

Q:7: How did civil aviation benefit from rapid development of the bomber during the First World War?
Bombing attacks by airships turned the attention of Government and people to the development of fighter aircrafts, because anti aircraft guns had not proved very effective. This necessitated research into high speed and high altitude fights and led to the rapid development of aircraft manufacture.

Q:8: Why was it more difficult to fly from Europe to North American than from North America to Europe?
Flying across the Atlantic was more difficult from Europe to North America then from North America to Europe because on the west bound flight the aircraft had to make tremendous struggle against head winds and stood in danger of running out of fuel. 

Q:9: Why was the use of airships for passengers transport abandoned?
The use of airships for passenger transport was abandoned in favour of air craft because they had proved to be very unreliable. 

Q:10: What new means of propulsion had greatly increased the speed of airliner in recent year?
What kind of radio device contributes to their safety?
Jet propulsion has greatly increased the speed of airliners in recent years. Radar is the wonderful radio device that contributes to their safety.