Q-2: If a piece of aluminum to be tested by ultrasonic probe with frequency of 9 MHz, and the maximum beam spread angle should not exceed 10°, what is the minimum diameter of probe disc? Use any available data to solve problem.

Q-2: If a piece of aluminum to be tested by ultrasonic probe with frequency of 9 MHz, and the maximum beam spread angle should not exceed 10°, what is the minimum diameter of probe disc? Use any available data to solve problem.

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Concept explainers

Engineering Drawing

Technical drawing has been around since ancient times. As in the ancient Renaissance, complicated drawings were created, including Leonardo da Vinci's drawing. Modern engineering drawing, including its specific orthographic projection with scale conventions, began in Europe (France) during the early stages of Industrialization. L.T. C. Rolt also made some of Marc's drawings for its block-making machinery (in 1799) that also may have contributed significantly to British engineering technology. Since he learned the art of presenting three-dimensional(3D) items in a two-dimensional(2D) plane, as we now term mechanical drawing. 

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Q-2: If a piece of aluminum to be tested by ultrasonic probe with frequency
of 9 MHz, and the maximum beam spread angle should not exceed 10°,
what is the minimum diameter of probe disc? Use any available data to
solve problem.

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