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Helicopters

Authored by Valdez Mosley

Design

6th Grade

Used 11+ times

Helicopters
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21 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What enables a helicopter to take off and land vertically?

Jet engines

Propellers or rotors

Wings

Wheels

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who designed the first helicopter capable of crewed free flight?

Leonardo da Vinci

Paul Cornu

The Wright Brothers

Igor Sikorsky

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the principle of helicopter flight?

Gliding

Rotating airfoil

Jet propulsion

Fixed wings

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is a helicopter different from an airplane?

It can only move in one direction

It uses wings for lifting power

It cannot remain stationary in the air

It has at least one horizontal propeller or rotor

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was a significant step in the history of vertical flight in 1907?

The invention of the jet engine

The first helicopter-like motorized aircraft flew

The invention of the parachute

The first airplane flight

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does an autogiro use to obtain lift?

Fixed wings

Powered rotors

A jet engine

Mechanical rotation of the rotor

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who made the first successful flight of an autogiro?

George de Bothezat

Igor Sikorsky

Paul Cornu

Juan de la Cierva

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