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A force of 100 000 N is applied to a 10 mm x 20 mm rectangular cross-section iron bar in tension. If the iron has a yield strength of 400 MPa and a tensile strength of 480 MPa, determine:a) whether the bar will plastically deform, andb) whether the bar will experience necking.
Air enters an adiabatic nozzle steadily at 300 kPa, 200 o C, and 30 m/s and leaves at 100 kPa and 180 m/s. The inlet area of the nozzle is 80 cm 2 . Determine (a) the mass flow raw through the nozzle, (b) the exit temperature of the air, and (c) the ..
Why is the ‘time value of money' important for the evaluation of engineering projects? Provide at least one practical example to support your view (max 2 pages).
Over the past 3 years, there have been 14, 13, and 15 crashes on this section of College Street. The two-way ADT on this section is 16,474 vehicles per day. What is the annual crash rate for this section of College Street
The emission rate of radon into the crawl space is reported to be 0.6 pCi/m^2-s. An exhaust system was added to provide 1 air exchange per hour (ACH) in the crawl space. The outdoor concentration of radon is 1 pCi/L.
A company facing an interest rate of 8% must choose among projects offering the following four-year cash flows. If the company is employing the net present value criterion, which project should they choose
A spillway carries a discharge of 22.5 m^3/sec with the outlet velocity of 15 m/sec at a depth of 0.2m. Select an adequate USBR stilling basin and determine the sequent depth, the length of the hydraulic jump and energy loss.
Structural design of reinforced cast in - place concrete - Structure design
The pipe contains two 6 in steel elbows, two fully open gate valves, a fully open 90o angle valve, and a swing check valve. If the discharge end of the pipe is located 20 ft higher than the entrance, what is the pressure difference between the two..
the 3.5mg engine is suspended from a 500 kg spreader beam and hoisted by a crane which gives it an acceleration of 4m/s^2 when it has a velocity of 2m/s. determine the force in chains AC and AD during the lift.
If the evaporation rate from an open water surface is 0.27 inch/day in Tucson Arizona, what should be the surface area of the lagoon? (Note: arsenic does not evaporate but remains in the liquid water)
No incisions are noted. Find the maximum axial tension using LRFD. Can we resist the same force in compression if the member is 10ft long?
Motor M draws in the cable with an acceleration of 4 , measured relative to the 220 mine car. Determine the acceleration of the car. Neglect the mass of the pulleys.
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