WebAssign Homework Only for Moaveni's Engineering Fundamentals: An Introduction to Engineering, SI Edition, 6th Edition, [Instant Access]
6th Edition
ISBN: 9780357126677
Author: MOAVENI
Publisher: Cengage Learning US
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Question
Chapter 7, Problem 1P
To determine
Estimate the dimensions of the given objects. Compare the estimated value with actual dimension of the object.
Check the valuing capacity of dimension from the comparison.
Expert Solution & Answer
Explanation of Solution
Use the following procedure to estimate and compare with actual dimension of the object:
- Value the dimensions of the given object without using any measuring device. This is called estimated values.
- List the estimated values in Table 1.
- Measure the actual dimension of the object by using the measuring instruments.
- List the actual values of the objects in Table 1.
- Compare the estimated value with measured value.
- Calculate the difference between the estimated and actual value.
Provide the estimated value, actual dimensions, and the difference between each object as shown in table 1.
Object | Estimated values | Measured values | Difference | |||
This book | ||||||
A pen or pencil | ||||||
A laptop computer (closed) | ||||||
A 12-fl.-oz soda can | ||||||
The distance from home to school | ||||||
A dollar bill | ||||||
The height of your engineering building | ||||||
Wingspan of a Boeing 747 |
Table 1
Refer to Table 1:
The difference between the estimated and calculated value is minimum. The accuracy of estimated value is moderate.
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Seasoned engineers are good at estimating physical values without using tools. Therefore, you need to begin developing a “feel” for the sizes of various physical quantities. This exercise is intended to help you develop this ability. Using the table below, first estimate the dimensions of the given objects. Next measure, or look up, the actual dimensions of the objects, and compare them to your estimated values. How close are your estimations? Do you have a “feel” for units of length yet?
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Chapter 7 Solutions
WebAssign Homework Only for Moaveni's Engineering Fundamentals: An Introduction to Engineering, SI Edition, 6th Edition, [Instant Access]
Ch. 7.2 - Prob. 1BYGCh. 7.2 - Prob. 2BYGCh. 7.2 - Prob. 3BYGCh. 7.2 - Prob. 4BYGCh. 7.2 - Prob. 5BYGCh. 7.2 - What does strain represent?Ch. 7.2 - Prob. BYGVCh. 7.5 - Prob. 1BYGCh. 7.5 - Describe two different methods that you can use to...Ch. 7.5 - Prob. 3BYG
Ch. 7.5 - Prob. 4BYGCh. 7.5 - Prob. 5BYGCh. 7.5 - Prob. BYGVCh. 7 - Prob. 1PCh. 7 - Prob. 2PCh. 7 - Prob. 3PCh. 7 - Prob. 4PCh. 7 - Prob. 5PCh. 7 - Prob. 6PCh. 7 - Prob. 7PCh. 7 - Prob. 8PCh. 7 - Prob. 9PCh. 7 - Prob. 10PCh. 7 - Investigate the diameter of the electrical wire...Ch. 7 - Prob. 12PCh. 7 - Prob. 13PCh. 7 - Prob. 15PCh. 7 - Prob. 17PCh. 7 - Using area as your variable, suggest ways to cool...Ch. 7 - Prob. 19PCh. 7 - Prob. 20PCh. 7 - Prob. 21PCh. 7 - Prob. 22PCh. 7 - Prob. 23PCh. 7 - Prob. 24PCh. 7 - Prob. 25PCh. 7 - Prob. 26PCh. 7 - Prob. 27PCh. 7 - Prob. 28PCh. 7 - Prob. 30PCh. 7 - Prob. 31PCh. 7 - Prob. 32PCh. 7 - Prob. 33PCh. 7 - Prob. 34PCh. 7 - Prob. 35PCh. 7 - Prob. 36PCh. 7 - Prob. 37PCh. 7 - Prob. 38PCh. 7 - Prob. 39PCh. 7 - Prob. 40PCh. 7 - Prob. 41PCh. 7 - Prob. 42PCh. 7 - A 10 cm long rectangular bar (when subjected to a...Ch. 7 - Prob. 44PCh. 7 - Prob. 45PCh. 7 - Prob. 46PCh. 7 - Prob. 47PCh. 7 - Prob. 48PCh. 7 - Prob. 49PCh. 7 - Prob. 50P
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