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An elastic spring of stiff ness 0.4 kN m 1 is suspended vertically with a load attached to its lower end. When displaced, the load is seen to oscillate with a periodic time of 1.27 s. Determine (a) the magnitude of the load, (b) the acceleration of the load when it is 25 mm from the equilibrium position and (c) the tension in the spring when the load is 25 mm from the equilibrium position.
figure 2 gives a pictorial view of a slotted guide. draw the following views in third angle ltbrgtprojection. ltbrgta a
A piston-cylinder assembly contains air at 227C and 300 kPa. Heat is supplied from a reservoir at 900 K causing the air to expand the path Pv^1.2 constant until the pressure is 200 kPa. The surroundings are at 27C and 95 kPa. Determine the second law..
for flow of viscous fluids through a 5 cm diameter pipe for what flow rate in m3h would we expect transition to
Determine the minimum dimensions of the crosssection and the radius of curvature at the point of maximum stress.
refrigerant 134a at -10degc 1.4 bar and a mass flow rate of 280 kghr enters an insulated compressor operating at steady
methane ch4 at 25 degree celcius 1 bar enters a furnace operating at steady state and burns completely with 240 of
A small hoist is mounted on the back of a pickup truck and is used to lift a 500N crate . Determine the force exerted on the hoist by the htdraulic cylinder BC, the reaction at A.
Consider a mixture of saturated liquid water and saturated steam at 2 bar and x = 0.95 that is compressed adiabatically and reversibly to 25 bar in an open system. What is the initial temperature and entropy?
a model jet engine is shown with a series of processes at steady-state-steady-flow operation. air enters the 1.0 m
Determine the failure load for the crack-free jaw. For the crack-free jaw, what would be the factor of safety based on stress/load. Which failure occurs first- the crack or the failure in the pins
A wireless accelerometer is mounted to the underside of a piston in an engine to measure the acceleration during operation. If the engine is operating at 7200 RPM, what should be the minimum natural frequency of the accelerometer in order for the err..
liquid water enters a 25-kw pump at 100kpa pressure at a rate of 5kgs. determine the highest pressure the liquid water
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