MAE 3181 quiz 1

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School

University of Texas, Arlington *

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Course

3181

Subject

Aerospace Engineering

Date

Apr 3, 2024

Type

pdf

Pages

2

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Dr. D Stefan Dancila Fall 2023 MAE 3181 Materials and Structures Lab Fall 2023 Dr. D. Stefan Dancila Quiz #1 Solution time: Return a pdf response via e-mail to the TA before 17:00:00 CDT on Friday September 8, 2023. Student Name: __Kamron Wilredge_____________________________________ 1. (10p) Please write down the definition of “measurement.” A measurement is a process of comparison between a measure and a measurand, and is typically characterized with a standardized unit. 2. (10p) For the measurement shown in the figure below please determine the measured value and the uncertainty affecting it. 11 units +/- 0.5 units 3. (10p) Let s be you class section number, and m be the number formed by the last 3 digits of your UTA student ID. If a 4.5 digit instrument display shows U = (3.7925 + 3 s /20 - m /1,000) V determine the measured value and the uncertainty affecting it. s=1 m=441 U=3.5015 V +/- 0.00025 V 4. (10p) Define a direct and an indirect measurement? What is the difference? 0 5 10 15 20 25
Dr. D Stefan Dancila Fall 2023 A direct measurement is a physical measurement using a measurement tool like a ruler or micrometer when measuring length for example. An indirect measurement is the usage of a system that translates one measurand to another measurand that will allow for a more precise measurement.
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