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1.State the basic difference between the general method of slices and the bishop method of slices. b.)State the basic difference between the bishop and fellenius method of slices
2.A Heat pump designer claim to have an air-source heat pump whose coefficient of preformance is 2.8 when heating a building whose interior temperature is 80 F and when the atmospheric air surrounding the building is at 10 F. is thsi claim valid ?
3.Consider a Carnot heat-engine cycle executed in a steady-flow system using steam as the working fluid. The cycle has a thermal efficiency of 35%, and steam changes from saturated vapor at 300 C during the heat addition process. If the mass flow rate of the steam is 2kg/s, determine the net power (kw) output of this engine.
If the 50-kg crate starts from rest and travels a distance of 6m up the palne in 4s, determine the magnitude of force P acting on the crate. The coefficient of kinetic friction between the crate and the ground is \mu_k=.25
Lines of levels were run requiring n instrument setups. If the rod reading for each backsight and foresight has a standard deviation δ what is the standard deviation in each of the following level lines?
Two transmission belts pass over sheaves welded to an axle supported by a thrust bearing at B and a journal bearing at D. The sheaves A has a radius of 50mm, and the sheave at C has a radius of 40mm.
The following points are taken from data that is known to be of the form y = bx^m
a round steel rod, 25 mm in diameter, subjected to a bending moment of 160 Nxm. calculate the maximum bending stress.
Estimate the convective heat transfer coefficent for natural convenction from a horizontal steam pipe. The outside surface temperature of the insulated pipe is 80 degree C. The surrounding air temperature is 25 degress C.
Water under a gage pressure of 65 psi flows with a velocity of 12.5fps through a right-angled bend that has a uniform diameter of10in. The bend lies in a horizontal plane
If a single deposit of $15,000 is invested at 2.75% yearly interest, what equal year-end withdrawls can be made each year for 10 years, leaving nothing in the fund after the 10th withdrawl
The owner of a downtown parking lot has employed a civil engineering consulting frim to advise him on the economic feasibility of constructing an office building on the site. bill samuels, a newly hired civil engineer, has been assigned to make the a..
A triangular shaped swale is to retain the runoff from a catchment with a design runoff rate of 0.01 m3/sec. The longitudinal slope of the swale is to be 1.5% with side slopes of 5:1 (H:V).
Compute the maximum acceptable service load on an A36 steel plate tension member 1/4in.x12in. having a single line of holes parallel to the direction of loading. The load is 25% dead load and 75% live load, and 7/8in. diameter bolts are used.
A 75g , 30cm--long rod hangs vertically on a frictionless, horizontal axle passing through its center. A 12g ball of clay traveling horizontally at 2.5m/s hits and sticks to the very bottom tip of the rod.
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