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Concept explainers
The minimum rating for a service entrance disconnecting means for a single family dwelling and the section in
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Explanation of Solution
According to the National electric code the circuit conductors between the final overcurrent device and the power or lightning outlet is defined as a branch circuit.
According to the National electric code section
The minimum rating for a service entrance disconnecting means for a single family dwelling is
Conclusion:
Thus, The minimum rating for a service entrance disconnecting means for a single family dwelling is
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Chapter 6 Solutions
EBK RESIDENTIAL CONSTRUCTION ACADEMY: H
- For the system shown in Figure 2, u(t) and y(t) denote the absolute displacements of Building A and Building B, respectively. The two buildings are connected using a linear viscous damper with damping coefficient c. Due to construction activity, the floor mass of Building B was estimated that vibrates with harmonic displacement that is described by the following function: y(t) = yocos(2πft). Figure 2: Single-degree-of-freedom system in Problem 2. Please compute the following related to Building A: (a) Derive the equation of motion of the mass m. (20 points) (b) Find the expression of the amplitude of the steady-state displacement of the mass m. (10 pointsarrow_forwardThe direction of the force F_11 is __________LB. The magnitude of the force F_11 is __________LB.arrow_forwardIn the figure below, assume that complete mixing occurs between the two inflows before the mixture discharges from the pipe at C. Find: a. the mass flow rate in pipe C b. the velocity in pipe C Closed tank A c. the specific gravity of the mixture in pipe C Q=3 cfs SG=0.95 Diameter 6 in. Q = 1 cfs SG=0.85 B Diameter 4 in. Diameter 6 in. Q= 4 cfsarrow_forward
- MANUALLY DRAW THE FLOW NET. SHOW THE SCALE USED. do not just explain how to draw it, give me a completed flow net.arrow_forwardIn a simulation experiment on a single lane road, one vehicle is travelling at 18 m/s.After 1.5seconds, the vehicle suddenly accelerates at a rate of 1.5 m/s2 for the next2 seconds and remains0 acceleration then after. Simulate the behavior of subsequent vehicle with an initial speedof16 m/s using GM car following model for the first 3 seconds if the initial distanceheadwayis 20 m. Tabulate the results. Assume headway exponent 1.2, speed exponent1.5, sensitivitycoefficient 0.8, reaction time 0.6 seconds, and update interval of0.3 seconds.arrow_forwardFORWARD FROM POINT B TO POINT A GIVEN THE FOLLOWING: POINT BN=13,163,463.03'E=3,072,129.30' DIRECTION FROM B TO A (NAZ)=276.07529° DISTANCE FROM B TO A = 10.00'arrow_forward
- It proposed to provide pile foundation for a heavy column; the pile group consisting of 4 piles. placed at 2.0 m centre to centre, forming a square pattern. The under-ground soil is clay, having cu at surface as 60 kN/m², and at depth 10 m, as 100 kN/m². Compute the allowable column load on the pile cap with factor of safety of 3.0, if the piles are circular having diameters 0.5 m each and length as 10 m.arrow_forwardAt a particular section on a highway the following headways are observed: 0.04, 1.37,1.98,5.09, 3.00, 2.32, 2.54, 1.37, 0.94, 1.79, 1.10, 6.24, 4.82, 2.77, 4.82, 6.44. Fit an exponentialdistribution and compare the observed and estimated mean. Check the fit at the 5% level ofsignificance.arrow_forwardH.W: 1. Find the center of mass and the moment of inertia and radius of gyration about the y-axis of thin rectangular plate cut from the first quadrant by the lines x = 6 and y = 1 if (x, y) = x+y+1 2. Find the moment of inertia and radius of gyration about the coordinate axes of a thin rectangular plate of constant density & bounded by the lines x = 3 and y = 3 in the first quadrant.arrow_forward
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- Residential Construction Academy: House Wiring (M...Civil EngineeringISBN:9781337402415Author:Gregory W FletcherPublisher:Cengage LearningResidential Construction Academy: House Wiring (M...Civil EngineeringISBN:9781285852225Author:Gregory W FletcherPublisher:Cengage Learning
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