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Discuss the advantages of solid-state limit switches over mechanical limit switches. Solid-state limit switches are used in many applications, particularly in the aircraft and aerospace industries. One such application is in landing gear control to detect the up, down, and locked conditions of the landing gear. High reliability is of utmost importance in such applications. The mean time between failure (MTBF) of over 100,000 h is possible with solid-state limit switches. Using your engineering judgment, give an MTBF value for a mechanical limit switch
an airplane is flying at v0130 mph and with a constant time rate of increase of speed v22fts2 when it starts to climb
Write an essay on polymeric materials that are used in the packaging of food products and drinks. Include a list of the general requisite characteristics of materials that are used for these applications. Now cite a specific material that is ut..
a solar collector receives solar radiation at a rate of 0.315 kw per m2 and delivers the heat to a storage unit whose
Consider a stable continuous-time LTI system with impulse response h(t) that is real and even. Show that cos wt and sin wt are eigenfu nctions of this system with the same real eigenvalue.
Determine the scalar components Ra and Rb of the force R along the nonrectangular axes a and b. Also determine the orthogonal projection Pa of R onto axis a.
Saturated liquid water is compressed from 100 kPa (State 1) to 2.5 MPa (State 2) in an adiabatic pump having 85% isentropic efficiency. Calculate the specific work (kJ/kg) required for the compression of liquid water. Determine the entropy generation..
The angular acceleration of a shaft is defined by the relation a = -0.25w, where a is expressed in rad/s^2 and w in rad/s. Knowing that at t=0 th angular velocity of the shaft is 20 rad/s, determine the time required for the shaft to come to rest.
saturated liquid r-134a at 50 psia enters an adiabatic throttling value at a rate of 0.2-lbms. the outlet pressure is
a 1kg mass connected to a horizontal spring of stiffness 1031 nm has a dry-sliding friction force of 2 n. the mass is
the velocity of a particle moving in the x-y plane is given by 6.12i 3.24j ms at time t3.65s. its average acceleration
1. Find the transfer function G(S) in terms of velocity v(t) and engine forward force f(t) for the Truck below. The cart mass is m. The truck mass is M. The damper Coefficient is b. The spring constant is k.
a 3-lb collar can slide on a horizontal rod which is free to rotate about a vertical shaft. the collar is intially held
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