Sites with Natural Hazards Need to Be Studied and Their

question 22

Multiple Choice

Sites with natural hazards need to be studied and their risk evaluated to prevent a natural disaster.The frequency of an event is __________.

• A) the number of occurrences of an event within in a given time period
• B) the average number of years between events
• C) commonly used to forecast exactly when a natural event will occur
• D) the cyclic occurrence of events within a given space
• E) the range over which the upper and lower magnitudes for a given event are predicted

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Definitions:

AC Motors

Electric motors that operate on alternating current (AC), used in various applications including vehicles and industrial machinery.

DC Motors

Electric motors that operate using direct current electricity, converting electrical energy into mechanical energy.

Powered Test Light

A diagnostic tool used in automotive and electrical applications to check for the presence of electricity in a circuit.

Ohmmeter

A device used to measure electrical resistance within a circuit.