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The beam and attached hoisting mechanism together weigh 2400 lb with center of gravity at G. If the initial acceleration α of point P on the hoisting cable is 20ft/sec2 calculate the corresponding reaction at the support A
A corporation issues a new 10 year bond that has a coupon rate of 4.65% with quarterly dividend payments. Alex purchases 200 of these bonds at a price of $98.75, for a total investment of $19,750. Assuming he holds them to maturity, what will be..
A bacteria culture grows with constant relative growth rate. After 2 hours there are 600 bacteria and after 8 hours the count is 75000 a.) Find the intitial population.
An operator at a wastewater treatment plant decided to increase the SRT from 5 days to 10 days. How will this change affect: a. the oxygen requirement b. MLVSS in the aeration tank c. the effluent BOD or COD d. and the sludge generation
A 2nd level floor system of an office block is made up of a 125 mm thick slab cast monolithically with stiff beams which are spaced L3 (centre-to-centre) as shown in Figure 1.
Using a spreadsheet program, create a control chart for these data showing the target value and the upper and lower specification limits. comment on any trend and possible reasons.
A roadway has a 4% grade intersecting a -7% grade at at station 18+50.00. The grades are connected by an 800 foot vertical curve. A sign is proposed to be installed at Station 15+00.00
Two kg of oxygen at 40C are contained in a 2 m3 closed rigid tank. Assuming that oxygen behaves as an ideal gas under these conditions, what is the gas pressure in the tank in bar.
A sample of six items is drawn from this lot. Find: a) the probability that none of the sampled items are defective b) the probability that one or more of the sampled items is defective c) the probability that exactly one of the sampled items is d..
A 600 MW power plant has an efficiency of 36 percent with 15 percent of the waste heat being released to the atmosphere as stack heat and the other 85 percent taken away in the cooling water. Instead of drawing water from a river, heating it, and ret..
Each month the speedy dry Cleaning company buys 1 barrel (0.160 m^3)of dry cleaning fluid . Ninety percent of the fluid is lost to the atmosphere and 10 percent remains as residue to be disposed of
Design a non air entrained concrete mix using a maximum aggregate size of 27mm to be used for an interior beam having a 28-day compressive strength of 35 MPa (specified strength based on cylinder). The material properties are as follows:
Successive plus and minus sights taken on a downhil line of levels are listed below. the values represent the horizontal distances between the instrument and either the plus or minus sights. What error results from curvature and refraction?
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