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A Steel beam is supported on eachend by columns in a building. The beam is designed tohold a 10kN heating unit at mid span. There are no other loads onthe beam. Using G40.21 350W steel, select the lightest W shapes forthe beam. Assume there is full lateral support. Consider Moment, Shear and Deflection. The beam is simplysupported. If the heating unit hangs as shown in the drawing willthe beam be able to bear the load?
If a SS concrete beam, prestressed with a force of 2500 kn,effective span = 10m. It carries a load of 40 kN/m, the central dip of the cable profile should be
Two pipes of identical length and material are connected in parallel. The diameter of one is twice the diameter of the other. What is the ratio of the flow rates (Q2/Q1) in the two pipes
Discuss the advantages and disadvantages of using 8-bit and 10-bit resolution for the analog-to-digital converter.
Given a water that contains 80 mg/L of glucose (C6H12O6) and 18 mg/L of ammonia (NH3): a. What is the carbonaceous oxygen demand (in mg 02/L) b. What is the nitrogenous oxygen demand (in mg 02/L)
if the sphere falls at a speed of 150mm/s, what is the mean velocity relative to the cylinder wall of the water in the gap surrounding the midsection of the sphere
If the purlins are spaced 4 ft and the bents are spaced 25 ft apart, determine the distributed loading that acts along the purlin DF and the loadings that act on the bent at A,B,C,D, and E.
A sample of dry sand with a specific gravity total of 16.49 kN/m3 and a relative density of 2.67 grains, is placed outdoors. During a rainy period, the sample volume remains constant but the degree of saturation increases to 40%.
A weightless piston is placed on the liquid surface and the water level stabilizes (also in the small tube) to a level of h. Next, a weight of 10 kg is placed on the piston causing the liquid in the small tube to rise.
A bridge is subjected to a load of 10,000 kN at its mid span, yielding a displacement of 5 millimetres at that location. What will be the bending stiffness of the bridge in this case (make sure the unit is given)
1.what would the bc ratio be if the light poles were twice as far apart as assumed above?2. what is the ratio of night
The coal-fired boilder supplies 70 MW to the steam while thermal energy is rejected to a nearby lake whos average temperature is 15 C. What is the minimum required temperture of the boiler to meet the power demands of the city
A pond is used to treat a dilute municipal waste-water before the liquid is discharged into a river. The inflow to the pond has a flow rate of Q = 4,000 m3/day and a BOD concentration of Cin = 25 mg/L.
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