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You are designing a new thermometer using Galinstan, an alloy of gallium, indium, and tin that is a liquid at normal living temperatures. The coefficcient of thermal expansion is 190*10^-6 (1/kelvin). The thermometer will contain four cubic centimeters of Galinstan, most of which is in the bulb or reservoir that is connected to a capillary tube up which the liquid moves as it expands. If your design specifications are to have a 2millimeter change in the position of the liquid in the capillary tube for each degree Fahrenheit change in temperature, what is the diameter of the capillary tube, assuming it has a circular cross section?
two uniform rectangular plates weighing 800 llb ar freely hinged about their commonn edge and suspended by central cable ad for symmetrical corner cables. calcuate tension T in each of the corner cables and the tension To in the center
a river diversion canal discharges into a concrete flume of rectangular section running down a steep slope. the walss and the floor of the flume are to be 300 mm thick, and the allowance fro freeboard is to be 300mm.
Assuming we are still in a world with only discrete investment choice, i.e., option A, option B, etc., describe a realistic investment problem where none of the environments discussed apply without some reframing.
The solids in a specimen have a specific gravity of 2.65. If the oven-dry mass of the specimen is 25 kg, what is the volume of the solids in it
during the next month, the amount of water available for a city is lognormally distributed with a mean of 1 million gallons and a c.o.v. of 40%, where as the total demand is expected to follow a lognormal distribution
What is the minimum energy necessary (in kJ) to compress 1.0 kg of saturated water vapor at 1 bar to a pressure of 60 bar in a perfectly insulated vessel
Calculate the work necessary to compress air in an isolated cylinder from a volume of 6 ft^3 to a volume of 1.2 ft^3. The initial pressure and temperature are 30.0 psia and 50 degree F, respectively.
Develop an estimate of the volumetric flow rate of air that will be required for aeration of the mixed liquor in an activated sludge system.For this calculation, assume that the (ultimate) CBOD is 200 mg/L and (ultimate) NBOD is 50 mg/L.
Steam expands in an turbine operating in steady-state conditions with a mass flow rate of 40,000 kg/hr. The steam enters the turbine at 8MPa and 500 C, and exits as a saturated vapor at 40 kPa. If the power generated by the turbine is 8.2 MW, what is..
State the full name of the section of SOLAS that sets out the minimum standards for the training and competence of crew members and describe how the surveyor would go about checking that a vessel had the necessary number of qualified staff.
A Riehle Impact Testing Machine was used to break the specemins and the reading gave 68ft/lb, 66ft/lb, 64ft/lb, 69ft/lb and 63ft/lb. The cross section dimensions of the Charpy were measured to be 0.320in and 0.397in.
Helium (Hrom an intie) at a rate of 1.5 lbm/s is compressed inan adibatic compressor from an intial condition of 70 F, 14.7 Psiato final condtion of 1070 F, 147 Psia. Determine The power required to run his compressor
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