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An electronic control system for an automobile engine is to be mounted on top of the fender inside the engine compartment. It is desirable to isolate the module from the vibration induced in the car by road and engine vibration. Design an isolator (i.e. pick stiffness k) if the mass of the module is 3 kg and the vibration of the fender is y(t)=.01sin(35t). It is desired to keep the displacement of the module less than 0.005 m at all times. Once the stiffness value of the isolator is chosen, calculate the magnitude of the force transmitted to the module through the isolator.
a centrifugal compressor delivers 20 kgs of air at 0.32 mnm2 when running at 17500 rpm and absorbing 2800 kw. the inlet
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A rigid tank with a volume of 1.8 m3 contains 15 kg of saturated liquid-vapor mixture of water at 2 bar. Now the water is slowly heated. Determine the temperature at which the liquid in the tank is completely vaporized. Show the process on a T-v diag..
nitrogen gas is compressed from pressure 80kpa and temperature 27degrees celsius to pressure 480kpa by a 10kw
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as part of the new bicycle corps a solider is pedaling down the road at 25 kmh holding a missile launcher on his
Tensile force formulas, A cylindrical steel beam is 2 inches diameter and 6 feet long. The modulus of elasticity is 30 x 1,000,000 psi. If the beam is subjected to a tensile force of 1000 lbs, what will be the resulting unit strain?
calculate the amount of work input a refrigerator needs to make ice cubes out of a tray of 0.25 kg of liquid water at
What tightening torque should be used if the connection is permanent and the fasteners are lubricated? What portion of the external load is taken by the bolts? By the members?
two charges -18 c and 4.9 c are fixed in place and separated by 4.2 m. a at what spot along a line through the charges
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the following linear failure envelopes for a rock mass are givenintact rockfriction angle 350cohesion 900 psitension
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