Определите является ли утверждение: Optical triangulation position sensors use reflected waves to p...: ответ на тест 804696 - Английский язык

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Optical triangulation position sensors use reflected waves to pinpoint position and displacement.

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A mechanical wave
1. A mechanical wave is a wave that propagates as an oscillation of matter, and therefore transfers energy through a medium. While waves can move over long distances, the movement of the medium of transmission – the material – is limited. Therefore, oscillating material does not move far from its initial equilibrium position. Mechanical waves transport energy only. This energy propagates in the same direction as the wave. Any kind of wave (mechanical or electromagnetic) has a certain energy. No material is transported as a result of mechanical waves. Mechanical wave can be produced only in media which possess elasticity and inertia.
2. A mechanical wave requires an initial energy input. Once this initial energy is added, the wave travels through the medium until all its energy is transferred. In contrast, electromagnetic waves require no medium, but can still travel through one.
3. One important property of mechanical waves is that their amplitudes possess an unusual form, displacement divided by reduced wavelength. When this gets comparable to unity, significant nonlinear effects such as harmonic generation may occur, and, if large enough, may result in chaotic effects. For example, waves on the surface of a body of water break when this dimensionless amplitude exceeds 1, resulting in a foam on the surface and turbulent mixing. Some of the most common examples of mechanical waves can be water waves, sound waves etc.
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National and international standard organizations define and agree upon the standards for measurement.

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Usually, platinum RTDs are used as process temperature monitors because of their accuracy and linearity.

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Level sensors can be mounted only on the top of the container with the substance that has to be to be measured.

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MEMS can be used to develop products that are useful in many spheres of people’s lives.