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Consider the stirred-tank heating system shown in Fig. E. It is desired to control temperature T2 by adjusting the heating rate Q1 (Btu/h) via voltage signal V1 to the SCR. It has been suggested that measurements of T1 and To, as well as T2, could provide improved control of T2.
(a) Briefly describe how such a control system might operate and sketch a schematic diagram. State any assumptions that you make.
(b) Indicate how you would classify your control scheme, for example, feedback, cascade, or feedforward. Briefly justify your answer.
(c) Draw a block diagram for the controlsystem.
What is-the maximum height reached by the ball? What is the velocity of the ball when it is 128 ft above the ground on its way up? What is-the velocity of the ball when it is 128 ft above the ground on its way down?
The outside of a picture frame measures 19in by 10in. 56in^2 of the picture shows. find the thickness.
Consider the parallelepiped ABCDA1B1C1D1. Given the coordinates of four vertices A(2,-2,1), B(3,-1,2), D(3,-1,1), A1 (4,-3,4), find The volume of the parallelepiped and The distance from A1 to the plane ABC.
Let G be a group and H be a non-empty subset of G. We define H^2 as the set of elements of G which can be written in the form h_1 h_2, with h_1 ,h_2∈H.
Calculate whether or not the given point is a solution to the system and write the system in non-matrix form
Player II chooses a number j ∈ {1, 2, 3, 4}, and Player I tries to guess what number II has chosen. Set up the matrix of this game and solve
The height h, in feet of a golf ball shot upward from a ground level sprint gun is described by the formula h=-16tsquared+48t where t is the time in seconds. When will the ball hit the ground again?
use the precise definition of a limit lim x --gt infinity of fxl to prove that lim x --gt infinity of xcosxx
consider the three numbers651000 - 82014 - 31773nbsp 791212 - 92412 22001nbsp andnbsp 244493 - 58192 71777.prove
The logistic growth function P(x)=90/1+271e-0.122x models the percentage, P(x) of Americans who are x years old and have some coronary heart disease. Use this function to find the age at which percentage of Americans who have some coronary heart d..
In a school of 300 students, 105 students are in the band, 175 students are on sports teams, and 45 participate in both activities. How many students do not participate in band or sports?
Describe the order of operations and explain how it is used to simplify expressions. Explain specifically the order in which mathematical operations must be performed to correctly simplify an expression.
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