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The short concrete cylinder having a diameter of 50 mm is subjected to a torque of 500 N # m and an axial compressive force of 2 kN. Determine if it fails according to the maximum-normal-stress theory. The ultimate stress of the concrete is σult = 28 MPa.
the path of particle p ios the elipse difined by relations r=2/(2-cosPIEt) and theta=PIEt, where r is exspressed in meters , tis in seconds nd thet is in radians. Determine the velocity and the acceleration of the particle whern t=0 seconds
A culvert under a road must be 35m long, have a slope of 0.0035 and carry 4m^3/s. The crown of the roadway is 4.2m above the culvert invert. Assume the outlet will discharge freely.
During a snowstorm the fluoride feeder in North Bend runs out of feeder solution. The rapid mix tank is connected to a 5-km long distribution pipe. The flow rate into the rapid mix tank is 0.44m^3/sec, and the volume of the tank is 2.50 m^3.
The spillway for a dam is 20 m wide and is designed to carry 125 m3/s at flood stage. A 1:15 ratio model is constructed to study the flow characteristics through the spillway. The effects of surface tension and viscosity can be neglected.
He is concerned about the high rolling resistance of the units in the sand (RR factor 250lb/ton). What is the rolling resistance?
A stationary temperature probe inserted into a duct where air is flowing at 250 m/s reads 85°C. What is the actual temperature of air?
The output is fed to an amplifier having an infinite input impedance and a gain of 10. The output from the amplifier is acquired using a 10-bit ADC, with reference voltage of 5 V. The resolution of this system in units of oC is
An underground gasoline storage tank has leaked benzene into an unconfined aquifer over a period of several months. The aquifer characteristics are: Ambient temperature=8 oC Hydraulic conductivity = 123 ft/day Hydraulic gradient = 0.00091 ft/ft
Essentials of Soil Mechanics and Foundations 7th Edition David McCarthy An oil storage tank 50 ft in diameter imposes a maximum loading of 2500 psf onto the ground surface where the tank is supported.
If the stage of a stream increases by 40% and the slope of the water surface becomes half of its original slope, then what will be changes in discharge of the stream
A rectangular channel carries discharge of 10 m^2/s per unit width, with a sluice gate. Calculate the flow depth y3, if a hydraulic jump forms downstream of the sluice gate when y1 = 20 m.
A common commercial process for the production of so-called "Electronic Grade Silicon" (EGS) is the Siemens process (see figure below). EGS is of ultra-high purity, enough to be used for fabrication of microchips.
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