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The 3-lb pendulum swings about axis O-O and has a mass center at G. When () = 0, each spring has an initial stretch of 4 in. Calculate the maximum stiffness k of each of the parallel springs which will allow the pendulum to be in stable equilibrium at the bottom position () = 0.
Determine the required length L of each splice if a factor of safety is 2.75.
1.5 kg of ethane at 150 kpa 300k is heated in a two-step process using a source at 1600k. the first step is a constant
A compressor operating adiabatically is to compress 2.83 m^3/min of air at 29.4C and 102.7 kN/m^2 to 311.6kN/m^2. Calculate the power required if the efficiency of the compressor is 75%. Also, calculate the outlet temperature.
Derive an equation for the bending deflection δ of the bat at B, where the ball hits the bat, in terms of the applied load, P, the span, lAB, the Young's modulus of ash, E and the moment of inertia of the cross section
air at t11300 0r p116 lbfin2 enters a counterflow heat exchanger operating at steady state and exits at p214.7 lbfin2.
Explain circumstances in which it is possible to improve maintainability to counteract poor reliability, and also identify circumstances where this approach is unrewarding.
A power plant generates steam from coal burning which burns at 3,000oF and produces about 13,000 BTU per pound. The steam is put into a poorly insulated turbine which allows 2,000 BTU per pound of coal to escape to the atmosphere at 90oF. Knowing the..
the speed limit on a country road is 70 kmhr. the radius of curvature for a bridge on the road is 50 meters. a corvette
Moist air at 70 F dry bulb temperatures and 45 percent relative humidity is recalculated from a room and mixed with outdoor air at 97 F dry-bulb temperature and 83 F thermodynamic wet bulb temperatures. Determine the mixture state dry-bulb and wet-bu..
The maximum modulus of elasticity for a copper crystal is 195 GPa. What tensile stress is required along the corresponding crystallographic direction in order to increase the interatomic separation distance by 0.09% ?
a rigid container with volume 200 l is divided into two equal volumes by a partition. both sides contain nitrogen one
a certain internal combustion engine is air cooled and has a cylinder constructedof cast iron where k35btuhrftr. the
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