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Draw the iron-carbon phase diagram?
A settling tank in a water treatment plant has an inflow of 2m3/min and a solids concentration of 2100 mg/L. The effluentfrom this settling tank goes to sand filters. Theconcentration of sludge coming out of the bottom (the underflow) is18,000 mg/L, ..
Air enters a turbine operating at steady state at 6 bar and 1100 K and expands isentropically to a state a where the temperature is 700 K. Employing the ideal gas model with data, and ignoring kinetic and potential energy changes
How much calcium bicarbonate (kg/day) will need to be added per day in water with alkalinity of 30 mg/L CaCO3 (assume for simplicity only bicarbonate alkalinity is present) if 794 kg of (Al2(SO4)3 x 18H20 is added per week
Natural gas is stored in a spherical tank at a temp. of10oC. At a given initial time, the pressure in thetank is 100 kPa gage, and the atmospheric pressure is 100 kPaabsolute
A clean glass capillary tube having a diameter of .008 in. was inserted into water with a surface tension of 0.00504 lb/ft. Calculate the height of the capillary rise in the tube.
Determine the operating speeds of the machine at which the machine's steady-state amplitude is less than 0.2 mm. Take keq = 3 EI/L3.
a) calculate the operational compressive strain this copper specimen is subjected to. b) calculate the maximum strain this copper alloy can sustain without becoming plastically deformed.
An automobile has been designed to maintain a constant speed of 55 mph on a +5% grade. The weight of the vehicle when fully loaded is 6000 lbs. What is the total resistance in still air of this vehicle?
Would it be possible to compact the above soil at a water content of 13.5% to a dry density of 2.00 Mg/m3? How can you prove that your answer is correct?
A site is underlain by a soil that has a unit weight of 118 lb/ft^3. From laboratory shear strenght tests that closely simulated the field conditions, the total stress parameters were measured to be C_T=250 lb/ft^2
Suppose that the value of D is 800 when S, ρ, and vare expressed in SI base units. By converting units determine thevalue of D when S, ρ, v are expressed in U.S customary units.
The total dissolved inorganic carbon (TIC) of a sample of groundwater is 8.33 mM. The temperature of the aquifer is 15C, the pH is 7.5, and the ionic strength is 0.05 M. What is the H2CO3, HCO3-, CO3 2-, and the partial pressure of CO2
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