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A disabled automobile is pulled by means of two ropes. Knowing that the tension in rope AB is 750 Ib, determine by trigonometry the tension in rope AC and the value of alpha so that the resultant force exerted at A is 1200-Ib force directed along the axis of the automobile.
Describe on your own words the three strengthen mechanism for metals (i.e. grain size reduction, solid solution strengthening and strain hardening). Be sure to explain how dislocations are involved in each of the strengthening techniques.
oxygen is flowing through a nominal 2 inch schedule 40 steel pipe pipe at a velocity of 10 fts. the oxygen is at a
If the peak pressure and peak temperature of the cycle are 4.8 MPa and 2500, determine the net work done per cycle (kJ/kg) and the cycle thermal efficiency .
a 9 m3 tank has two sections separated by a membrane both of which contain nitrogen gas. the nitrogen in section a has
determine the magnitude of its total accleration when (a) t=0 and (b) t=2 Whats the solution.
A mass of 2.5kg are hung vertically from a spring of stifness 5.4kN/m, calculate the maximum amplitude of vibration if the mass is not to jump off the hook.
a power unit has a power rating of 30 kw and supplies flow at a rate of 60 lpm, what is the maximum pressure this unit can withstand?
a stationary gas turbine power plant operates on a simple ideal brayton cycle with air as the working fluid. the air
Starting from rest the motorboat travels around the circular path,P = 50m , at a speed v=(0.8t)m/s, where t is in seconds. Determine the magnitude of the boat's velocity when it has traveled 40m. Determine the magnitude of the boat's acceleration ..
The Brayton cycle shown in figure 6.41 operates using CO2 as a working fluid with compressor and turbine isentropic efficiencies of 1.0. Calculate the thermal efficiency of this cycle when the working fluid is modeled.
a small 0.6-lb collar d can slide on portion ab of a rod which is bent as shown. knowing that r 8 in and that the rod
a 20 mm diameter shaft with a 6 mm diameter transverse hole is made of cold-drawn steel having ultimate strength 550
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