1. Determine the stiffness matrix K for the assembly. Take A-300 mm2 and E-200 GPa for each member. Assume all joints are pin-connected.

Q: Determine total indeterminacy and external indeterminacy

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A:

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Q: -160 40 160 Dimensions 40 in mm 40 -160- –160-

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Q: XXXX W₂ W₁ Which of the following most nearly gives the external degree of indeterminacy? 2 4 O 1

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Q: X'= Gs-lx

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Q: but I nee

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Q: What is the Ix and Iy of the cross-section in mm4

A: Given: Required : Ix and Iy of the cross-section in mm4

Q: 23mm R2 166.5mm 28° 34° 235mm 175mm 250mm R1 R3 125mm

A:

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A: Centroid: The imaginary point at which the total area of the system or body is assumed to be…

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Q: Z 10 mm 15 15 430 y y -y y 15 100 All dimension in mm FIGURE Q3 (a) FIGURE Q3 (b) IN

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Q: 200 mm 200 mm 400 mm

A: Section  Area  x Remarks  ABC A1  = π42002      = 31400 mm2 x1 = D2    = 2002     =100 mm   AEF…

Q: a = 20 mm b = 100 mm c = 200 mm d = 70 mm e = 60 mm f= 70 mm g= 50 mm h = 20 mm

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Q: find y'' if x=2 when y=o y=x(c1-cos x)+c2+2(sin x-x^4)

A: Given To find : y"

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A: 1 ft =12 inch given 80 ft =12*80=960in Ratio scale=112×80=1:960

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A: Find reactions:∑ MB=0RA12-500126-900+900=0RA=3000lbFind reactions:∑ Fy=0RA+RB-50012=0RB=3000lb

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Q: 4) A precast T beam with the dimensions shown below is to be a used as a bridge over a small…

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Open Channel Flow

Open channel flow is a branch of fluid mechanics. It deals with the flow of fluid in an open conduit or free surface. In an open channel flow, gravity induces the flow of water whose surface is open to the air. This flow is free-falling rather than confined in rigid body conduits. The open channel flow depends upon two parameters that are the cross-section of the conduit and the velocity profile. Practical examples of open channel flow are streams, rivers, canals, and other drainage systems.In open channel flow, the cross-sectional area of at least one of the sides is exposed to air, and the surface of water faces atmospheric pressure. This flow is also known as free gravity flow. The cross-sectional area of the conduit can be either man-made or a natural channel. For instance, the flow in rivers and streams are natural conduits, and the flow in a canal and sanitary systems are man-made or engineered channels.