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What is the main advantage of including hysteresis in a switching element? What is a Schmitt trigger? Describe the operation of the Schmitt trigger circuit that employs two bipolar junction transistors as in Figure 8.19a. Even though a Schmitt trigger can be constructed using discrete elements in this manner, this device is commercially available in the monolithic form as a single IC chip. Suppose that a sinusoidal signal is applied to a Schmitt trigger, as schematically shown in Figure P8.32. Discuss the shape of the output signal. What is the output frequency?
Figure 8.19
Find the displacement of node 3 and the stresses in the two members of the truss shown in Fig. 12.25.
Plot the velocity of the car as a function of the ratio r = mwheel/ Mmax Use practical values of r 2) Advise the team on their choice.
On the street map shown in Figure 3-28, determine first if an Euler's tour is possible. Show why or why not. Then show how you would route a truck so as to achieve the least number of deadheads. You are to collect on both sides of the street at on..
an overall balance around part of a plant involves three inlets and two outlets which only contain water. all streams
according to a brochure from dow chemical company the pressure drop for water flowing through a bed of 20-mesh to
The parameters of a dc shunt machine are Rf = 240 Ω, LFF = 120 H, LAF = 1.8 H, ra = 0.6 Ω, and LAA = 0. The load torque is 5 N·m and Va = Vf = 240 V. Calculate the steady-state rotor speed.
Derive the differential equations and boundary conditions for longitudinal vibrations of a uniform bar. Also obtain the appropriate Rayleigh quotient for such a problem.
A strut CB is guyed back to a wall support through cable BA. Two forces are applied to the concurrent joint at B. Determine the tension in cable BA and the force in member CB for a condition of equilibrium to occur.
air at 640k and 8 bar is expanded through a turbine to a final temperature of 350k. what is the work done for 1kg of
The temperature in a pressure cooker during cooking at sea level is measured to be 250 F. Determine the absolute pressure inside the cooker in psia and in atm. Would you modify your answer if the place were at a higher elevation?
1. List the four major kinds of inorganic contaminants and the two major kinds of organic contaminants in syngas. 2. Six distinct approaches for removing tar from syngas. List these and provide a brief description of each.
Can you name this device? I mean what is this name and explain in details.
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