Which Type of Bird Is Most Likely to Benefit from Air

question 35

Multiple Choice

Which type of bird is most likely to benefit from air sacs that reduce its weight?

• A) birds, such as geese, which migrate great distances
• B) birds that chip away wood, such as woodpeckers
• C) diving birds
• D) birds that rip apart prey, such as hawks and eagles

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Definitions:

Service Chambers

Components typically found in air brake systems of large vehicles, used to convert compressed air into mechanical force to apply the brakes.

Modulations Per Second

A measure of how many times a signal's modulation changes within one second, indicative of the signal’s variation rate.

Pneumatic ABS

An Anti-lock Braking System for air-braked vehicles, particularly large trucks and buses, that prevents wheel lockup during braking.

Reluctor Wheel

A component in an electronic ignition system that works with a sensor to produce a signal, used for determining the engine's position or speed.