Engineering Fundamentals: An Introduction to Engineering
6th Edition
ISBN: 9780357112311
Author: Saeed Moaveni
Publisher: Cengage Learning US
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 12, Problem 28P
To determine
Make a flash light by using battery, light bulb and piece of wire.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
As shown in the figure below, a 1.5 m × 1.5 m footing is
carrying a 400 kN load.
P
Depth (m)
0.0
1.0
2.0
Df
Groundwater
table
(Yw = 9.81 kN/m³)
3.5
Yt = 16.5 kN/m³
E = 9,000 kPa
Sandy
soil
Ysat 17.5 kN/m³
E = 15,000 kPa
6.0
Stiff Clay
(OCR = 2)
Bedrock
Ysat 18.0 kN/m³
eo = 0.8
Cc = 0.15, Cr = 0.02
Eu =40,000 kPa
(a) Estimate the immediate settlement beneath the center of the
footing. Assuming that Poisson's ratios of sand and soft clay are
0.3 and 0.5, respectively. Use numerical integration approach.
For the calculations, use layers (below the bottom of the footing)
of thicknesses: 1 m; 1.5 m, and 2.5 m.
(b) Determine the primary consolidation settlement beneath the
center of the footing.
(c) Redo Part (b) if OCR=1.1.
Note: Use the 2:1 method to determine the stress increase below
the footing. For parts (b) and (c), use the one-dimensional
consolidation theory.
Assuming that the whole DMV is only handled by one queue and one server and both the arrival rate
(20 customer per hour) and the service rate (30 customers per hour) random variables are Markovian.
(a) What is the mean queue length? [3 pts]
(b) Percentage of Idle time of the server? [3 pts]
(c) Average number in the queue? [3 pts]
(d) Average number in the system? [3 pts]
(e) The average wait time in the queue? [3 pts]
(f) The average wait time in the system? [3 pts]
(g) The probability that no one is in the system. [2 pts]
A toll booth on the Thruway experiences an average inter-arrival time of 3 minutes between each
vehicle. As an operator, you want to have a mean queue length of at most 2 vehicles. What mean
service rate (per hour) will the toll booth need to provide?
Chapter 12 Solutions
Engineering Fundamentals: An Introduction to Engineering
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. BYGVCh. 12.2 - Prob. 1BYGCh. 12.2 - Prob. 2BYGCh. 12.2 - Prob. 3BYGCh. 12.2 - Prob. 4BYG
Ch. 12.2 - Prob. 5BYGCh. 12.2 - Prob. 6BYGCh. 12.2 - Prob. BYGVCh. 12.5 - Prob. 1BYGCh. 12.5 - Prob. 2BYGCh. 12.5 - Prob. 3BYGCh. 12.5 - Prob. 4BYGCh. 12.5 - Prob. 5BYGCh. 12.5 - Prob. 6BYGCh. 12.5 - Prob. BYGVCh. 12 - Prob. 1PCh. 12 - Prob. 2PCh. 12 - Prob. 3PCh. 12 - Prob. 6PCh. 12 - Prob. 7PCh. 12 - Prob. 8PCh. 12 - Prob. 9PCh. 12 - Prob. 10PCh. 12 - Prob. 13PCh. 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. 31PCh. 12 - Prob. 33PCh. 12 - Prob. 34PCh. 12 - Prob. 35PCh. 12 - Prob. 36PCh. 12 - Prob. 37P
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Similar questions
- A freeway is to be designed at a location on level terrain for an annual average daily traffic (AADT) of 45,000 vehicles per day. For a conversion of AADT to an annual hourly volume, assume that the K-factor is 0.10 (i.e., the 30th highest hourly volume of the year). In addition, 55% of the peak-hour traffic volume is expected to travel in the peak direction (D = 0.55). This freeway segment will be for regular commuters. Other estimates include: PHF of 0.95, free-flow speed of 65 mph, and 20% trucks of the traffic stream. In order to determine the number of lanes required to provide at least LOS C, answer the following questions. (a) Determine Free Flow Speed (FFS) [4 pts] (b) Find the directional design-hour volume (DDHV) [4 pts] (c) Find fHv [4 pts] (d) Determine the number of lanes required. [4 pts] (e) Check the expected LOS for 2-directional lanes on this freeway segment. [4 pts]arrow_forwardObserving a deterministic queue in 3 hours, suppose vehicles arrive at a rate of 500 vph for the first hour and 150 vph for the second and third hours. The service rate is 150 vph for the first two hours. The server can discharge 500 vehicles for the last hour. (a) What is the queue length after 30 minutes? [4 pts] (b) What is the maximum queue length? [4 pts] (c) When does the maximum queue happen? [4 pts] (d) What is the total delay? [4 pts] (e) Describe how the queue grows and discharges in this queuing process. [4 pts]arrow_forwardPlease explain step by step and show the formula usedarrow_forward
- Find the increase of pressure at points A and B due to a loading q=400 kPa placed on the givenfoundation.arrow_forwardThe 4-story building has a floor dead load D = 80 psf, floor live load , L = 100 psf, roof dead load Dr = 40 psf, roof live load Lr = 60 psf, and snow load S = 50 psf. The length of columns is 18 ft and the column ends are pins (Lx = Ly = 18 ft). 1) Determine Pu on interior columns B2-4 and B2-1 2) Use Table 4-1a (pg 4-12 to 4-24) in AISC to select the lightest W shapes for these columns 3) Use Table 4-4 (pg 4-69 to 4-83) in AISC to select lightest square HSS shape for the columns.arrow_forward1:08 Il LTE Individual Assignment CEQ 31... CIVIL ENGINEERING ROANTICLO (Earthworks Quantities) (Due Date: Friday, 28/03/2025) Done Thumbi Irrigation Scheme in Mzimba district is under threat of flooding. In order to mitigate against the problem, authorities have decided to construct a flood protection bund (Dyke). Figure 1 is a cross section of a 300m long proposed dyke; together with its foundation (key). Survey data for the proposed site of the dyke are presented in Table 1. Table 2 provides swelling and shrinkage factors for the fill material that has been proposed. The dyke dimensions that are given are for a compacted fill. (1) Assume you are in the design office, use both the Simpson Rule and Trapezoidal Rule to compute the total volume of earthworks required. (Assume both the dyke and the key will use the same material). (2) If you are a Contractor, how many days will it take to finish hauling the computed earthworks using 3 tippers of 12m³ each? Make appropriate assumptions.…arrow_forward
- Thumbi Irrigation Scheme in Mzimba district is under threat of flooding. In order to mitigate against the problem, authorities have decided to construct a flood protection bund (Dyke). Figure 1 is a cross section of a 300m long proposed dyke; together with its foundation (key). Survey data for the proposed site of the dyke are presented in Table 1. Table 2 provides swelling and shrinkage factors for the fill material that has been proposed. The dyke dimensions that are given are for a compacted fill. (1) Assume you are in the design office, use both the Simpson Rule and Trapezoidal Rule to compute the total volume of earthworks required. (Assume both the dyke and the key will use the same material). (2) If you are a Contractor, how many days will it take to finish hauling the computed earthworks using 3 tippers of 12m³ each? Make appropriate assumptions. DIKE CROSS SECTION OGL KEY (FOUNDATION) 2m 1m 2m 8m Figure 1: Cross section of Dyke and its foundation 1.5m from highest OGL 0.5m…arrow_forwardthis is from CE-192arrow_forwardThe head-vs-capacity curves for two centrifugal pumps A and B are shown below: Which of the following is a correct statement at a flow rate of 600 ft3/min? Assuming a pump efficiency of 80%. Head [ft] 50 45 40 35- 30 25 20 15 10 5. 0 0 Pump B Pump A 100 200 300 400 500 600 700 800 900 1000arrow_forward
- Solve for reactions and shear and moment diagram (base the answer on the 2nd figure). Hand Calculation 2. Note: Assume bottom left support as roller, bottom right support as pinned 4 kN/m 3 kN/m 8m 4m 2marrow_forwardYour client wants to build a WTP that has a withdraw of 440 MGD. What is the exceedance probability in percentage? Average Monthly Minimum Flow of Record Month (MGD) Jan-73 322 Feb-73 280 Mar-73 335 Apr-73 374 May-73 440 Mar-74 313 Apr-74 375 May-74 560 Jun-74 380 Jul-74 445 Aug-74 323 Sep-74 411 Oct-74 541 Nov-74 510 Jan-75 261 Feb-75 271 May-75 312 Jun-75 314 351 Jul-75 Aug-75 332arrow_forwardIf a second 12.25" pump was added in parallel what would be the NPSHr be while both pumps are running? HEAD (Feet) 250- 200- Pump Series: VSX-VSC 10x12x13-1/2A 1780 RPM 13.5" 60% 70% -75% 80% 83% -85.5%- 150- 12.25" 100- 50 50- 10" 0- 2,000 NPSHr 83%. 80% 300HP- -75% 250HP 200HP 70% 150HP 125HP 100HP NPSHr(ft) 0 4,000 6,000 8,000 Capacity (GPM) 80 90 8arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Engineering Fundamentals: An Introduction to Engi...Civil EngineeringISBN:9781305084766Author:Saeed MoaveniPublisher:Cengage Learning
Residential Construction Academy: House Wiring (M...Civil EngineeringISBN:9781285852225Author:Gregory W FletcherPublisher:Cengage Learning
Solid Waste EngineeringCivil EngineeringISBN:9781305635203Author:Worrell, William A.Publisher:Cengage Learning,
Engineering Fundamentals: An Introduction to Engi...
Civil Engineering
ISBN:9781305084766
Author:Saeed Moaveni
Publisher:Cengage Learning
Residential Construction Academy: House Wiring (M...
Civil Engineering
ISBN:9781285852225
Author:Gregory W Fletcher
Publisher:Cengage Learning
Solid Waste Engineering
Civil Engineering
ISBN:9781305635203
Author:Worrell, William A.
Publisher:Cengage Learning,