MATERIALS SCI.+ENGR.:INTRO.-NEXTGEN
MATERIALS SCI.+ENGR.:INTRO.-NEXTGEN
10th Edition
ISBN: 9781119503941
Author: Callister
Publisher: WILEY
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Chapter 2, Problem 10QAP
To determine

The name of inert gases whose electron structures are identical to Na+andCl ions.

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A traffic signal has a 60-second cycle length (Red time + Green time). For the travel direction of interest, the red and green times are 30 seconds each, the arrival rate is constant at 20 [veh/min] and the saturation flow (i.e., the departure rate) is 1 [veh/sec]. a. Calculate the average delay (for all vehicles) for the travel direction of interest. b. Assume a work zone on the street downstream of the intersection so that only 25 [veh/min] (in the direction of interest) can pass. Calculate the average delay caused by the work zone to a vehicle leaving the intersection. Assume that the queue at the work zone never backs- up into the intersection. c. Discuss qualitatively the implications of queue spillback from the work zone on the delay of the system. Traffic Direction (a) Traffic Direction (b)
Attached pics is a sample problem, can you compute it for me, I just want to compare my answer. Thank you.
Problem 2: The Douglas fir beam below supports uniform live (WL) and dead loads (WD) as shown below. Assume the total distributed load is 700 lb/ft. WD=300#/PT. W₁ = 400# W₁ = 400#/FT- J J J J I J J J L=161 a) Assuming an alllowable deflection of L/360, compute the magnitude of the allowable deflection. b) Using an 8"x12" timber beam (see Table A1-b on page 567 of your text for properties) compute the actual deflection. Assume E = 1.6 x 100 psi. c) Based on your answers for parts a and b, determine if an 8"x12" timber beam is safe for this application
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