Helicopter — Questions and answers

Read the full story

Where was Igor Sikorsky, an important figure in helicopter history, born?

Choices

  1. Stratford, Connecticut
  2. Kyiv, Ukraine ✓
  3. New York, USA
  4. Paris, France

Answer: Kyiv, Ukraine

From page 4

What was a major problem with Sikorsky's VS-300 prototype when it first flew?

Choices

  1. It was too expensive to build.
  2. It had intense vibration and was unstable. ✓
  3. It couldn't fly high enough.
  4. It used too much fuel.

Answer: It had intense vibration and was unstable.

From page 5

What two important things did Sikorsky invent to make helicopters work better?

Choices

  1. A single tail rotor and refined cyclic pitch control. ✓
  2. A bigger main rotor and faster engines.
  3. Stronger metal for the blades and a quieter engine.
  4. A new type of fuel and more comfortable seats.

Answer: A single tail rotor and refined cyclic pitch control.

From page 6

What was special about the Sikorsky R-4 helicopter during World War II?

Choices

  1. It was the world's first mass-produced helicopter. ✓
  2. It was the fastest helicopter ever built.
  3. It was the first helicopter to fly around the world.
  4. It was used for civilian passenger transport only.

Answer: It was the world's first mass-produced helicopter.

From page 8

Which of these is NOT mentioned as a way helicopters are used after the war?

Choices

  1. Helping with search and rescue missions.
  2. Taking people on vacations to space. ✓
  3. Spraying crops on farms.
  4. Helping police with surveillance.

Answer: Taking people on vacations to space.

From page 9

According to Dr. Julian Thorne, what has the helicopter become in modern society?

Choices

  1. A forgotten invention.
  2. An indispensable tool. ✓
  3. A dangerous toy.
  4. A slow and unreliable machine.

Answer: An indispensable tool.

From page 10