In His Flight Simulator Study Investigating the Potential Causes of a Series

question 34

Multiple Choice

In his flight simulator study investigating the potential causes of a series of airplane crashes,Conrad Kraft concluded that the crashes appear to have been caused by a visual illusion created when approaching a city:

• A) at night that has lights behind it that slope upward.
• B) at night under conditions of poor visibility.
• C) at night that has lights in front of it that slope upward.
• D) during the day under conditions of poor visibility.

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Definitions:

Power Circuit

A power circuit is a system of electrical components interconnected to generate, distribute, or control the flow of electrical power effectively.

Timing Relays

Electromechanical devices that enable timed events in a control circuit, such as delays in switching.

Contactors

Electrically controlled switches used for switching an electrical power circuit, similar to a relay but capable of handling higher currents.

Armatures

The component of an electric machine (like a motor or generator) that carries alternating current and interacts with a magnetic field to produce motion.