Use the below information to answer Questions 15 - 17. As shown below, the left end of a horizontal string is attached to an oscillator and the right end is attached to a wall. The string's midpoint is labeled C, and a dot has been painted on the left half of the string. The left half of the string is uniformly thick, with diameter Do, while the right half of the string gradually increases in thickness from the midpoint C to the wall. The string is made of consistent, uniform material. Wall Do Dot Oscillator Note: Figure not drawn to scale. The oscillator shakes the left end of the string up and down with uniform frequency, creating waves traveling to the right with a speed vo. A student observes that every wave crest approaching the midpoint C passes through C, but gradually slows down on the right half of the string. (15) On which half of the string, if either, do the waves have a longer wavelength? Left Half Right Half Same Wavelength on Both Halves Briefly justify your answer with explanations of wave phenomena.

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Theory and Design for Mechanical Measurements

Measurement is a term that refers to analyzing a manufactured component regarding the degree of accuracy for dimensions, tolerances, geometric profile, roundness, flatness, smoothness, etc. Measurement always involves comparing the manufactured component or the prototype with a standard specimen whose dimensions and other parameters are assumed to be perfect and do not undergo changes with respect to time.Precisely in mechanical engineering the branch that deals with the application of scientific principles for measurements is known as metrology. The domain of metrology in general deals with various measurements like mechanical, chemical, thermodynamic, physical, and biological measurements. In mechanical engineering, the measurements are limited to mechanical specific such as length, mass, surface profile, flatness, roundness, viscosity, heat transfer, etc.

Basic principles of engineering metrology

Metrology is described as the science of measurement, precision, and accuracy. In other words, it is a method of measurement based on units and predefined standards.