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Air mass of 4 kg of liquid water is cooled from 90c to 10c under a constant pressure. Determine the change in its entropy, assuming the process to be reversible.
Given for a simple curve: R = 500 ft, I = 58º08'40" and the station of the PI is 38+17.25. Set up the field notes for staking out the curve with deflection angles and incremental chords.
Knowing that the magnitude of P is 35 N, determine by trigonometry (a) the required angle a if the resultant R of the two forces applied to the support is to be horizontal, (b) the corresponding magnitude of R.
A small package of weight W is projected into a vertical return loop at A with a velocity Vo. The package travels without friction along a circle of radius "r" and is deposited on a horizontal surface at C.
A U manometer reads 20 cm air as operating fluid and a given manometric fluid. A single branch closed tube reads 35 cm connected to point 1. If P2 = 1.2 ATM calculate the pressure in point 1 and the density of the manometric fluid.
Water flows through the pipe contraction shown. for the given 0.2 m difference in the meter level, determine the flowrate as a function of the diameter of the small pipe, D.
(a) What are some of the important properties of unalloyed copper that make it an important industrial material (b) How is copper extracted from copper suflide ore concentrates
Member ABC is supported by cable CD and a square collar at A that fits loosely over the smooth square rod. Determine the tension in cable CD. The smooth rod is fixed at its base and cannot rotate.
A hydraulic cylinder must produce a minimum force of 3 kN for a pressure of 800 kPa. What minimum diameter piston is required
A drilling engineer wishes to support pipes of length L on blocks so that the magnitude of the bending moment in the pipes directly over the supports is equal to the magnitude of the bending moment at the center of the pipes.
What is the reaction that occurs with hexanal and propanol (give both the hemiacetal and acetal products)?
When 0.3 m^3/s water flows through a 150 mm constriction in a 300 mm horizontal pipeline, the pressure at a point in the pipe is 345 kPa, and the head loss between this point and the constriction is 3 m.
On a clear summer afternoon with a wind speed of 3.20 m/s measured at 100 m elevation, the TSP (total suspended solids) concentration was found to be 1520 ug / m3 at a point 2 km downwind
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