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1. Determine the force in each member of the truss below, and state whether each member is in tension or in compression.
2. A beam is supported by a ball-and-socket joint and two cables as shown bebw. Determine the reaction forces at support A and the tensions in the two cables.
3. Determine the forces exerted on member CDE by roller support E, cable BD, and member ABC. W is the magnitude of the distributed bad at the top of the diagram, and is equal to 300 N/m.
a pump accepts liquid water at 60 degf and 14 psia and compresses it isothermally to a pressure of 100 psia. the pump
using the general form of the reynolds transport theorem derive the equation of conservation of linear momentum for a
a vertical hydraulic cylinder has a 125-mm diameter piston with hydraulic fluid inside the cylinder and an ambient
Air is compressed in a steady-flow compressor via a polytropic process from 15 psia and 60ºF (State 1) to 75 psia and 294ºF (State 2). Calculate the specific work (Btu/lbm) for the compressor. Determine the specific heat transfer (Btu/lbm) for the co..
A heat engine operates between a source at 530C and a sink at 8C. If heat is supplied to the heat engine at a steady rate of 1,450 kJ/min, determine the maximum power output of this heat engine.
an office building where smoking is prohibited has 600 employees. the building is to be maintained at 78 db and 65 wb
Liposomes are promising molecules in gene transfer technology because of their similarity to cell membranes and their charge interactions with negatively charged DNA. Estimate the charge on the outside surface of a liposome of diameter 1 um. Suppose ..
a steel bar and an aluminum bar are joined end to end and fixed between two walls. the cross sectional area of the
Why is it appropriate to take velocity measurements at several diameters downstream of the fan?
Air, an ideal gas, is isentropic ally compressed from V1 = .36 ft^3, P1 = 14.5 psia, T1 = 70 F, to V2 = .03 ft^3 (compression ratio = 12). Find T2, P2 and W (work in Btu) for this process:
An Incompressible fluid flows through a 10-in diameter horizontal constant area pipe. At one section the pressure is 150 psia and 1000 ft downstream the pressure has dropped to 100 psia.Find the total frictional force exerted on the fluid by the pipe
A fixed mass of saturated water vapor at 400 kPa is isothermally cooled until it is a saturated liquid. Perform a closed system, energy analysis (e.g. 1st Law analysis) on the system to determine the amount of heat rejected during this process in kJ/..
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