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* A barometer filed with non-toxic glycerin is used to measure standard sea level atmospheric pressure. neglecting the effect vapor pressure and surface tension. calculate the atmospheric pressure head.
* correct the result of problem above for the effect of vapor pressure and surface tension. assume that the bore of the tube is 10mm.
The compacted specimen contains 6% asphalt binder by weight of total mix, and has a bulk density of 143.9 lb/ft^3. Ignoring absorption, compute the percent voids in total mix, percent voids in mineral aggregate
A 27ft beam has a uniform load of 6kip/ft. along its entire length. From left to right x=0ft to x=27ft. At x=0 ft it is pinned and at x=18 ft there is a roller. So, the 9 ft end section is cantilevered.
A new development is to be constructed in Mexico City. Due to the large subsidence, the elevation at the proposed site must be raised prior to construction. The total volume of soil needed to raise the site is 100,000 cubic yards.
Metallurgical balance in mineral processing, Assume 2000 short tons of ore were mined, 200 tones were rejected as waste and the tonnage accepted for metallurgical treatment
If the outer ring rotates in the clockwise direction at 7 rpm and the inner ring rotates in the counterclockwise direction at 12 rpm, what is the angular velocity of the carriers and what is the velocity of C, the center of the top carrier.
A $10,000 bond that matures in 20 years with interest at 8% per year payable quarterly was issued 4 years ago. If the bond is purchased now for $10,000 and held to maturity, what will be the effective rate of return per quarter to the purchaser
Based on volume of a sphere V=4/3(pi)r^3, create a table of volume vs. radius allowing radius to vary from 2.0 to 10.0 cm in 1 cm increments. Graph the data from the table on log-log paper using radius as the independent variable.
The reaction between 2-methyl-2-pentanol and HBr to yield 2-methyl-2-pentene is probably: A) an E1-type reaction involving the protonated alcohol as the substrate. B) an SN2-type reaction involving the protonated alcohol as the substrate.
An engineer is to design a channel lined with planed wood to carry 2 m3/s of water on a given slope. The channel cross section can be either a 90 degree triangle or a square. Which would require less wood and by what percentage
A 1045 steel will be heat treated in air at 900 C. What is the carbon concentration at 0.4 mm below the surface after 6 hours
A light rail transit agency operates trains over a 25-km long single-track line. During the peak period, it operates five trains at 15-min headway. Train travels at an average speed of 50 km/hr.
A rectangular open channel with a width of 10 ft and n = 0.013 conveys a discharge of 300 cfs. The upstream portion of the channel has a slope of 10%, which then abruptly changes to a slope of zero downstream.
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