The Pressure Sensors Employed in Tsunami Warning System by the U.S.National

question 54

Multiple Choice

The pressure sensors employed in tsunami warning system by the U.S.National Oceanographic and Atmospheric Administration (NOAA) exploit a fundamental feature of tsunami waves:

• A) tsunami waves create a turbulence of a few tens of metres.
• B) tsunami waves disturb the entire water column up to the ocean floor.
• C) tsunami waves travel very slowly so pressure sensors can detect their existence in advance.
• D) tsunami waves increase in height close to the shore so the pressure sensors will be activated.
• E) none of these choices are correct.

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Definitions:

Auricle Upward

Movement or orientation of the ear or external part of the ear upwards.

Otoscope

Instrument with a special ear speculum used to examine the deeper structures of the external and middle ear.

Infant

A young child in the earliest period of life, especially from birth to one year of age.

Tinnitus

Ringing heard in one or both ears.