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At a certain temperature T1, a 6.288x10^1 mm rod of a copper alloy containing 3.1715x10^1 at% Ni has a resistivity of 2.788x10^1 x 10-8 O-m.
For pure copper, the resistivity at 0°C is 1.58 x 10-8 O-m and the change in resistivity per degree increase in temperature is 6.50 x 10-11 (O-m)/°C. The value of A for nickel in copper is 1.18 x 10-6 O-m and the coefficient of thermal expansion of this alloy is 1.65x10^1 x 10-6 (°C)-1.
If the resistivity of this alloy is dependent only on thermal and impurity considerations, find the amount of changes in length of the rod (in mm) when the temperature is changed from T1 to 1.47268x10^2 °C.
(a) determine if the flow will choke and both the downstream and upstream water depths. (b) if there is also a 1 ft high step up in bottom elevation at the contraction, determine if the flow will choke and both the downstream and upstream water de..
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
A two-stage trickling filter plant treats 291.7 m3/h of municipal wastewater that has a BOD5 of 200 mg/L. The two filters have equal dimensions (depth = 1.68 m; diameter = 21.3 m), and each has a recycle ratio of 1.0
10 kPa of pressure required to push a 3 in^2 piston 5 mm into the compacted soil. Compute the CBR (%) if the same 3 in^2 piston required 100 kPa to penetrate 5 mm in calibrated rock soil.
THE HOME DEPOT IN RED HOOK ,BROOKLYN IS LOOKING TO RENOVATE THEIR STEEL ROOF TRUSS.YOU HAVE BEEN ASKED TO DETERMINE THE CENTROID,MOMENT OF INERTIA,SECTION MODULUS AND RADIUS OF GYRATION OF THE DOUBLE ANGLE.
A batch system is assumed to be first order. The initial concentration is 225 mg/L. If the reaction rate constant is 0.65 hr^-1, how long will it take for the concentration to be one-quarter the starting concentration
The officer believes the driver is intoxicated and begins accelerating uniformly to 50 mi/h in 8 seconds and maintains a constant velocity of 60 mi/hr, overtakes the motorist 42 seconds after he passed the officer.
Determine the COD, carbonaceous BOD, and nitrogenous oxygen demand of a 100 mg/L solution of urea (N2H4CO)
Discuss the effects of the project on the local community of the project described below 1.) The social, economic and environmental significance of the project within the local community 2.) The good, and bad impacts the project might have.
Draw the Bending Moment and Shear Force diagrams for the girder and calculate the maximum tension in the cable.
The head difference between manometer levels was 4.9 cm during the test, and the water temperature was 20 degrees celcius. If it took 152 second for 500 ml of water to discharge, determine the soil's coefficient of permeability.
A 6-lane freeway horiz. alignment has a 1200' C.L. radius going into a tangent and then a reversing 1800' radius. How much tangent distance between the two curves is needed to meet the superelevation runoff requirements
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