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A woodcutter wishes to cause the tree trunk to fall uphill, even though the trunk is leaning downhill. With the aid of the winch W,what tension Tin the cable will be required? The 1200-lb trunk has a cen- ter of gravity at G.The felling notch at Ois suf?- ciently large so that the resisting moment there is negligible.
Steam at 0.2 Mpa and 300 degrees Celsius is mixed with cold water at 20 degrees celsius and 0.2 MPa to produce 20 kg/s of saturated liquid water at 0.2 MPa. Find the required steam and cold water flow rates.
a 1 m3 tank containing air at 25oc and 500 kpa is connected through a valve to another tank containing 5 kg of air at
A double acting hydraulic cylinder is hooked up in the regenerative circuit. The relief valve setting is 1000 psi. The piston area is 25 in^2, and the rod area is 7 in^2. If the pump flow is 20 gpm. Find the cylinder speed and load carrying capacity ..
Two points on a stress-strain curve for a material are σ = 278 MPa at ε = 0.08 and σ = 322 MPa at ε = 0.16. A. Find K and n in the power-law approximation and predict σ at ε = 0.20.
A vibratory system with a moving base has a mass of 300 kg, a spring with a stiffness of 40000 N/m and a damper with an unknown damping constant. It is observed that the mass vibrates with an amplitude of 10 mm when the support oscillates with an amp..
An adiabatic compressor is used to bring saturated water vapor at a pressure of 103 lbf/in^2 up to 1000 lbf/in^2 , where the actual exit temperature is 1000 F degree. Find the compressor efficiency and the entropy generation. is there an improvement ..
a 1050 hot-rolled steel of diameter 300mm has an ultimate tensile strength of sut724mpa that is hot-rolled is exposed
The MATLAB code for plotting the mode shapes and to find the first natural frequency of a system given below: System: A cantilevered beam with fixed-free ends and a lumped mass on the free end.
Hot water at 90 degrees C flows through a carbon-steel tube whose ID is 2 cm and OD is 3 cm, at a bulk velocity of 30 m/s. The length of the tube is 10 m. The exterior natural convection coefficient is 8 W/m2*K and the ambient temperature is 25 degre..
consider a large furnace that can supply energy in the form of heat at 2000 r at a steady rate of 3000 btus. determine
blood at 37degc enters the left ventricle lv of a skier at a rate of 100 mls. at time t 0 the skier steps outside and
A shaft having a 40 mm diameter carries a steady load F of 10,000 N and Torque T of 500,000 N-mm is shown in the following figure. The shaft does not rotate. Determine the maximum tensile stress and the maximum shear stress.
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