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A 10 storey building measures 20m x 40m in plan and has columnslocated on a grid 10m x 10m. The floor consists of a 250mm thick R/C slab with droppanels 3m x 3m x 200mm thick in the vicinity of each column. Live load allowanceis 3.0kPa.
(a) Sketch a typical floor plan and indicate the tributary area onboth an internal column and corner column
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
A horizontal curve on a two-lane highway is designed with a degree of curvature of 7 degree and a 50mph design speed. The coefficient of side friction for the design speed is 0.14. Deflection angle is 90 degree.
The local engineer concludes that, since the oil must have been destroyed by the soil microorganisms at a rate of 20 mg/kg each year, in one more year the site will be free of all contamination. a. Is this a good assumption
The concentration of BOD (an indicator of organic pollution) in a river just downstream of a sewage treatment plant's effluent pipe is 75 mg/L. If the BOD is destroyed by a first order reaction with rate constant equal to 0.05/day
A soil borrow material in its natural state in the ground has a unit weight of 86 pcf. Its natural water content is 9%. What is the dry weight of this material
Determine the mass of the earth knowing that the mean radius of the moons orbit about the earth is 238.910mi and that the moon requires 27.32 days to complete one full revolution about the earth
Sometimes driving your car on a hot day, you may encounter a problem with the fuel pump called pump cavitation. What is happening to the gasoline. How does this affect the operation of the pump.
Argon is expanded in an isentropic turbine from 2 MPa and 500oC to 200 kPa. Determine the outlet temperature and the work produced by this turbine per unit mass of argon.
Determine the height, h, the water level will rise in the tank before remaining constant. Also, if initially the tank is empty, what amount of time will it take for the water level to rise to h? Be sure to justify all assumptions made.
A roadway has a 4% grade intersecting a -7% grade at at station 18+50.00. The grades are connected by an 800 foot vertical curve. A sign is proposed to be installed at Station 15+00.00. The bottom of the sign is 7 feet above the roadway.
determine critical depth in a circular pipe of 36 inches diameter and roughness coefficient of 0.015 The flow rate is 15 cfs , So = 0.002
a wheel tractor scraper weighing 100 tons is being operated on a haul road which is a rutted dirt roadway (little maintanence) this tractor is traveling empty down a 5% slope. what is the total resistance
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