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The schematic diagram of a centrifugal governor is shown in Fig. 2.70. The length of each rod is l, the mass of each ball is m, and the free length of the spring is h. If the shaft speed is ω determine the equilibrium position and the frequency for small oscillations about this position.
What is the slope of Isothomal process on PV plane?
A close-coiled helical spring is required to absorb 2.25 x l03 joules of energy. Determine the diameter of the wire, the mean diameter of the spring and the number of coils necessary if The maximum stress is not to exceed 400 MN/m2
1. Briefly explain the concept of steady state as it applies to diffusion. 2. (a) Briefly explain the concept of a driving force.
Starting with the differential form of the fundamental entropy equation for dS (see Eq1 below and the total differential for dU as a function of V and T. Assuming N is constant, derive an equation for dS dependent on only dV and dT. Provide Each s..
consider the sysstem shown in figure 3-45 where m 2 kg b 4 nxm and k 20 nm. assume that x0 0.1 m and xdot0 0. the
Consider atmospheric air at 25 degrees Celsius and a velocity at 25 m/s flowing over both surfaces of a 1 meter long flat plate that is maintained at 125 degrees Celsius. Determine the rate of heat transfer per unit width from the plate for values of..
suppose the past data indicates that the probability of a fluorescent light produced from a production line has a
Determine the outer pipe surface temperature and the heat transfer coefficient as a result of convection between the outer pipe surface and the surrounding air.
a sand core used to form the internal surfaces of a steel casting experiences a buoyancy force of 23 kg. the volume of
If a person and a wheelchair have a mombined weight of 185 lb how much ideal effort force is required to travel up the ramp? Can you just explain to me what equation I need for this?
an ideal brayton cycle uses air as the working fluid and has a pressure ratio of 12. the compressor inlet temperature
Steam at 500oF and 50 psi is fed at the rate of 1 lbm/sec to an adiabatic compressor where its pressure is raised reversibly to 650 psia. Use data from the steam table to determine the changes in the enthalpy and entropy of the steam in the compressi..
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