While Working in a Soil-Testing Laboratory, You Are Given a Sample

question 22

Multiple Choice

While working in a soil-testing laboratory, you are given a sample of a "typical" soil to analyze. Which of the following do you correctly conclude is present in the largest amount?

• A) water
• B) inorganic mineral particles
• C) rocks
• D) air
• E) organic material

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Definitions:

Output Frequency

The frequency of the electrical output signal generated by an oscillator, amplifier, or another electronic device.

Brushless Exciter

A device used to excite the rotor of an alternator or synchronous motor that does not use brushes or sliprings.

Primary Exciter

A device, often a small generator, used to supply the initial current to the field winding of an alternator or to a magnetic coil to start the generation of electricity.

Electric Starter

A device that rotates an internal-combustion engine to initiate the engine's operation under its own power.