EBK ENGINEERING FUNDAMENTALS: AN INTROD
5th Edition
ISBN: 9780100543409
Author: MOAVENI
Publisher: YUZU
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Chapter 12, Problem 1P
To determine
Check the whether the arrangement of the batteries are in series or parallel for Hand-held calculator (TI 85), flash light and portable radio.
Expert Solution & Answer
Explanation of Solution
The battery connection for the products as follows:
- Hand-held calculator (TI 85): The batteries in series give deep power cycle operation. TI 85 model Hand-held calculator has two batteries a series combination of four alkaline batteries and one lithium battery.
These two are parallel arrangement to connect with the input terminals of the calculator circuit.
- Flash light: The flash light employs the batteries are connection mostly in series to bring the sum of voltage applied to the light for the deep power cycle operation. The deep power cycle operation makes a single path to the charge flow.
In some cases parallel connections also preferred where longer life cycle is preferred.
- Portable radio: Portable radio is employs the series combination of batteries to sum the voltage for the input voltage level.
The arrangement of batteries is shown in Table 1.
| Product | Batteries connection |
| Hand-held calculator (TI 85) | Series or series and parallel |
| Flash light | Series or parallel |
| Portable radio | Series |
Thus, the batteries are connected for the products hand-held calculator, flashlight, and portable radio are discussed.
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SITUATION 3: A simply-supported steel beam 6 m long carries a uniform load of 25 kN/m and an axial
compressive force of 250 kN. Assume both flange and web are compact. The properties of the rolled section are
as follows: Show your complete solution and box only the final answer.
Flange Width, bf = 210 mm
Flange thickness, tf = 24 mm
Overall depth, d=225 mm
Web thickness, tw 14 mm
Yield Strength, Fy=248 Mpa
Radius of Gyration, ry = 54.342 mm
Cb = 1.136
J = 2,097,256 mm²
rts = 62.089 mm
1. Determine the total moment of inertia along x-axis.
2. Determine the total moment of inertia along y-axis
3. What is the allowable axial compressive strength of the beam, in kN?
4. What is the allowable flexural strength of the beam, in kN-m?
1. 108.764 x 106 mm*
2. 37.084 x 106 mm*
3. 982.304 KN
4. 166.723 KN-m
Chapter 12 Solutions
EBK ENGINEERING FUNDAMENTALS: AN INTROD
Ch. 12.1 - In what unit is electric current measured?Ch. 12.1 - Prob. 2BYGCh. 12.1 - Prob. 3BYGCh. 12.1 - Prob. 4BYGCh. 12.1 - Prob. 5BYGCh. 12.1 - Prob. 6BYGCh. 12.1 - Prob. BYGVCh. 12.2 - Prob. 1BYGCh. 12.2 - Prob. 2BYGCh. 12.2 - Prob. 3BYG
Ch. 12.2 - Prob. 4BYGCh. 12.2 - Prob. 5BYGCh. 12.2 - Prob. 6BYGCh. 12.2 - VocabularyState the meaning of the following...Ch. 12.4 - Prob. 1BYGCh. 12.4 - Prob. 2BYGCh. 12.4 - Prob. 3BYGCh. 12.4 - Prob. 4BYGCh. 12.4 - Prob. 5BYGCh. 12.4 - Prob. 6BYGCh. 12.4 - Prob. BYGVCh. 12 - Prob. 1PCh. 12 - Prob. 2PCh. 12 - Prob. 3PCh. 12 - Prob. 6PCh. 12 - Prob. 8PCh. 12 - Prob. 9PCh. 12 - Prob. 10PCh. 12 - Prob. 16PCh. 12 - Prob. 18PCh. 12 - Prob. 19PCh. 12 - Prob. 20PCh. 12 - Prob. 21PCh. 12 - Prob. 23PCh. 12 - Prob. 24PCh. 12 - As you know, a fuse is a safety device that is...Ch. 12 - Prob. 27PCh. 12 - Prob. 28PCh. 12 - Prob. 29PCh. 12 - Prob. 30PCh. 12 - Prob. 31P
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