..............Wh@t is the equivalent head of kerosene (s=.9) annd mercury( s=14.2). For a 4m head of water.......
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..............Wh@t is the equivalent head of kerosene (s=.9) annd mercury( s=14.2). For a 4m head of water.......
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- 1. An oil of sp. gr. 0.9 is contained in a vessel. At a point the height of the oil is 50 m. Find the corresponding height of water at the point.The gauge pressure reading under a settling tank is 57 78 kilopascal. The settling tank has a radius of 4.2 meters Calculate the height of the fuel inside given that its SG is 0.88 MT/m 3An open cylindrical tank contains 1.2 m of salt water (sp.gr = 1.03), 0.9 m of gasoline (sp.gr = 0.70) and 1.2 m ofoil (sp.g r= 0.85).1. What is the pressure 1.5 m below the liquid surface?
- (a) Glycerine at 25 °C flows through a straight copper tube (D = 73.8 mm), at a flow rate of 180 L/min. Calculate the pressure difference between 2 points which are 25.8 m apart, if the first point is 0.68 m below the second point. Gven: At 25 °C density and dynamic viscosity for glycerine is 1286kg/ and 0.96 Pa.s respectively(b) If benzene at 50 °C is used in question (a) above instead of glycerine, evaluate the new pressure difference. ...1. A 1.5” S40 pipe has a capacity of ______ cu. ft/sec. at a 1 ft/sec. velocity. A. 0.0031 B. 1.7672 C. 0.0332 D. 0.0123 2. The bulk density of impure alumina oxide in lb/ft3 is A. 0.70 B. 80 C. 90 D. 60 3. Tetrahydrofuran has a vapor pressure of ______ mmHg at 176 deg. F A. 200 B. 1518 C. 1173 D. 2 562Calculate the percent volatility of the solids given that an empty container weighs 15.7g. A sample from the aeration tank is put in the container. At temperature 104 degC , the container now weighs 21.2211g. It was further heated in a furnace with a temperature of 540degC and gained a constant weight of 20.5057.
- Civil Engineering Water flows through two different pipes A and B of the same circular cross- section but at different flow rates. The length of pipe A is 1.0 m and that of pipe B is 2.0 m. The flow in both the pipes is laminar and fully developed. If the frictional head loss across the length of the pipes is same, the ratio of volume flow rates QB/QA is _(round off to two decimal places)Water with kinematic viscosity equal to 1.02x10^-6 m^2/s flows in a 1000m long. 150mm diameter pipe (E=0.00005) at a rate of 30L/s. solve for the head loss in the pipe. use 3 decimal places.An open tank contains 6.5 m of water covered with 3.5 mof kerosene (Specific weight = 8 kN/m3). Find thepressure at the interface and at the bottom of the tank. Explain your answer
- A small lake with volume 10,000 m3 has a stream flowing into it with flow rate 100 m3/day and a Toluene concentration of 1.0 mg/m3. A factory discharges 5 m3/day into the lake with Toluene concentration of 10 mg/m3 – they want to increase effluent to 50 mg/m3. Toluene decays at a rate of 0.01/day. Assume steady-state and completely mixed (CSTR). a) How would this increase in discharge concentration change the lake concentration? b) Field studies show that the same lake would be better represented by dividing the lake into two cells. The first cell having a volume of 2,500 m3 and the second with 7,500 m3. How does this affect the estimate of concentration leaving the lake? Compare with one-cell model.Assume the factory continues to discharge at 10 mg/m3 into the first cell.c) Why does modeling the lake as multiple cells impact the final concentration leaving the lake? What do you expect might happen to the final concentration leaving the lake if we modeled it as more cells? How would…HYDRAULICS an irrigation line carries water from a lake down into an arid valley floor 810 ft below the surface of the lake. The water is discharge through a nozzle with a jet velocity of 220 ft/s, the diameter of the jet is 4 inch. Compute the head loss in friction.The sulfur dioxide (SO 2 ) stack gas concentration from fossil fuel combustion is 2 ppmv. Determine the stack gas SO2 concentration in units of ug/m 3 . Assume 0°C and 1 atm pressure.