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How do airplanes take off?
At an angle
What material is usually used to make the body of an airplane and why?
Steel. Because it is hard.
Steel. Because it is strong.
Aluminum. Because it is heavy.
Aluminum. Because it is light.
How does the cross section of an airplane wing look like?
A shape that provides least resistance to the air while moving fast in the air is called _______________ shape.
What is the role of jet engines in the flying of the plane?
Move airplane ahead at fast speed.
Lift plane upwards
Provide electric power to the airplane
Produce hot exhaust
What will happen if you turn the engines of an airplane off in the mid air?
It will fall like a rock
It will lose its balance
It will go upwards
It will glide and slowly come down
Which of the following is
a type of propulsion used in aircrafts/airships?
How do helicopters take off?
At an angle
How do airplanes maintain pressure inside a plane at very high altitude where air pressure is very low?
Airplanes have a temperature control system. Cold temperature automatically controls the pressure.
Airplanes have airtight fuselage and they artificially pressurize the cabin.
Airplanes have an oxygen control system.
Airplanes don't control pressure. We just don't feel it.
How do pilot talk to the people in air control towers?
By using the light signals
By using the wired phones
By using the radio signals
By using the sonar signals
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