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1.The sphygmomanometer is a device used to measure blood pressure. For a healthy person, the diastolic pressure is about 80mmHg (gage). Convert the pressure to mm of blood assuming the specific gravity of mercury and blood are 13.6 and 1.05, respectively.
2.Water is contained in a pressurized tank to a level of z meters above the ground. the air pressure over the water surface (in the tank) is 135kPa (abs). Assume the water density is 1000 kg/m^3 and take g=9.807 m/s^2. If the water pressure at ground level is 60 psia, determine the required height, z in meters. Provide all work to receive good rating.
A 2000-lb wheel load is to be supported by aggregate over soil with a maximum bearing pressure of 1000 lb/sqft. What depth of aggregate is needed if the angle theta is 40 degrees?
Calculate the density of magnesium, an HCP metal, fromatomic data, and compare the result wit the measured value,1.74g/cm3.Account for differences.
A heat pump is used to heat a room where the outside temperature is -10°C. If the heat pump requires a power input of 2 kW, and the room requires a heat input of 15 kW to maintain the temperature at 25°C,
A falling-head permeability test was carried out on a clay soil of diameter 100 mm and length 150 mm. In 4 minutes the head in the standpipe of diameter 5mm dropped from 680 to 350 mm.
iron and vanadium both have the bcc crystal structure and v forms a substitutional solid solution in fe for
Compute the ratio of the nominal flexural strength of the beam to the maximum service load moment, and compare your findings to the ACI load factors and strength reduction factor.
A water pipe gradually changes from 6 in to 8 in diameter accompanied by an increase in elevation of 10 f t. If the pressure at the 6 in and 8 in sections are 9 psi and 6 psi respectively, what is the direction of flow for 3 cfs flow
(a). Find the sum of moments about point E due to this system of forces (b). Find the sum of moments about point A due to this system of forces (c). Find the resultant couple moment acting on the beam
A contractor has installed a silt fence around an area that is semi-circular and level to prevent soil from the construction site entering nearby streams. The diameter of the semi-circle is 1000 feet.
A 500 L (132 gal) tank contains 255 mg/L 2,4,6-trichlorophenol dissolved in trichloroethylene (TCE). What is the 2,4,6-trichlorophenol concentration in ppm Assume the temperature of the system is 20 degrees C.
You have been hired to do a survey to search for old tunnels that are rumored to be in the area, previously used to smuggle people across the US-Mexico border. The tunnels are not expected to be exceptionally deep underground.
A completely mixed flow reactor, with a volume of V and a flow rate of Q, has a zero-order reaction, dA/dt = k, where A is the material being produced and k is the rate constant.
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