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Write down the transfer function of a third-order system with unity steady-state gain which has a real pole at s = -1 and a pair of complex poles at s = -1 +- ja. Simulate the open-loop step response of the system for 'a' values of 1, 2, 4, and 10, and compare the responses obtained with that of a first order system alone. Use Simulink to do the simulations of the step responses.
the position of the l-shaped rod shown is controlled by a cable attached at b. knowing that the rod supports a load of
refrigerant 134a is compressed at a steady state from 2.4 bar 32 f to 12 bar 50 celsius. the power input to the
Design a helical compression spring to exert a force of 25 to 35 lb when compressed to a length of 2.5 to 2.0 inches (operating length)
the ratio km of a spring-mass system is given as 4. if the mass is deflected 2cm down measured from its equilibrium
a cantilever beam with round cross section is loaded at the tip with a transverse force of 1000 lb. the beam is also
0.11 kg of Argon in a piston-cylinder is compressed poly tropically from 1atm and 0°C to 10atm and 165°C. Determine the work done during the process.
a fluid flow axially in the annular region between two concentric pipes with radii r1 and r2gtr1 respectivley. assume
a heat pump has a coefficient of performance of 2 using a power input of 2 kw. its low temperature is to and the high
A turbojet is flying with a velocity of 900 ft/s at an altitude of 20,000 ft, where the ambient conditions are 7 psia and 108F. The pressure ratio across the compressor is 13, and the temperature at the turbine inlet is 2400 R.
a cantilevered beam bracket of uniform cross section extends 12 inches from the wall and supports 100 pounds of load at
consider the steady operation of a refrigeration package for a shipping container on a train truck or ship. the package
At the exit from the first stage nozzles the steam velocity is 244 m/s, specific volume 0.0686 m3 /kg, mean diameter 762 mm and steam angle 76o measured from the axial direction. Determine the nozzle height of this stage.
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