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Helicopter term was come from two words which are _______ and _______. Fill in the blanks.

Heli & Copter
Helico & pter
Helicop & ter
He & licopter


In 1863, the French writer Ponton D''Amecourt was the first person to coin the term "helicopter" from the two words "helico" for spiral and "pter" for wings.

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Igor Sikorsky designed and built the first military helicopter named ________.

XR-1
XR-2
XR-3
XR-4


He designed and built the first military helicopter, XR-4, which he delivered to Colonel Franklin Gregory of the U.S. Army.

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A helicopter can rotate to _______ degree while hovering.

45
180
360
420


Because helicopters can take off and land vertically, hover in one place or fly at very low speeds and rotate 360 degrees while hovering

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The very first piloted helicopter was invented by Paul Cornu in _________.

1867
1892
1907
1923


The very first piloted helicopter was invented by Paul Cornu in 1907, however, this design was not successful.

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What is the emplty weight of Mi-26 ?

28,200 kg
29,200 kg
30,200 kg
31,200 kg


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Who is known as the father of Helicopter ?

Leonardo Da Vinci
Launoy and Bienvenue
Ponton D''Amecourt
Igor Sikorsky


Igor Sikorsky is considered to be the "father" of helicopters not because he invented the first. He is called that because he invented the first successful helicopter, upon which further designs were based.

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Helicopter can not hover in which direction ________.

Helicopter6.jpg
Downward
Forwards
Backwards
Sidewards


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Can a helicopter flown across oceans ?

Helicopter3.jpg
One kilometer
Yes very easily
Yes if in-flight refueling is employed
Never


Helicopters can be flown across oceans if additional fuel is made available or in-flight refueling is employed.

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In which war, Helicopters were first used by the Germans and Japanese.

Helicopter2.JPG
World War 1
World War 2
British - German War
British - US war


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What is the highest altitude by a helicopter ?

28567 ft
30308 ft
32548 ft
40820 ft


Highest altitude made in a helicopter was 40,820ft (12,442m) on 21, June 1972 in a Aerospatiale Lama and the Pilot was Jean Bouet from France.

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