Quiz: How Familiar Are You With Technical Parts On Aircraft?

1. Why is the IR and visual sensor camera lens on this Twin Otter facing backwards

a. Human error

b. Bad design

c. When stowed, the lens faces backwards for protection against damage and dirt

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1. Why is the IR and visual sensor camera lens on this Twin Otter facing backwards

The answer is C. The lens faces backwards to protect it from getting scratched or damaged by foreign objects or dust.

2. Why are the wing tips on the Boeing 777X hinged?

a. To improve the range in flight

b. To fit on airport stand

c. To allow it to land on an aircraft carrier. This technology is borrowed from U.S. Naval carrier operations

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2. Why are the wing tips on the Boeing 777X hinged?

The answer is B. To fit on an airport stand.

3. Which aircraft does this engine power?

a. The General Electric Passport is a turbofan engine which powers the Bombardier Global 7500/8000

b.The Pratt & Whitney F135 is an afterburning turbofan developed for the Lockheed Martin F-35

c.This Rolls-Royce Pearl 700 engine powers Gulfstream’s G700 and G800

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3. Which aircraft does this engine power?

The answer is C. This Rolls-Royce Pearl 700 engine powers Gulfstream’s G700 and G800.

4. Here is a closeup of vortex generators on a Boeing 737 MAX. What are vortex generators used for?

a. Improves wing performance

b. Helps protect the wing from bird strikes

c. Causes a bigger air disturbance

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4. What are vortex generators used for?

The answer is A. The wing performance is improved.