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Fins are used to enhance the cooling of an object. Fins are manufactured in a wide variety of shapes and sizes, and for a mass-product, it may be beneficial to optimize the shape of the fin. Typically, the optimization seeks to find the dimensions of the fin that achieve a maximumthermal efficiency at a minimum cost. The cost is usually expressed as the mass of the material.Optimization of a single cylindrical fin requires finding the value of β satisfying10β = 3 sinh(2β ).Find the value of β > 0 that optimizes the cylindrical fin.
We will weigh objects by a strain gauge or R = 120 Ohms, GF= 2.02 mounted on copper column of 6-in. diameter. Find the change in resistance per pound placed on the column. Is this change an increase or decrease in resistance
An FM transmitter delivers to a 75 ohm antenna a signal voltage of V (t)= 1000 sin (10^9t+4 sin 10^4t), determine: (a) carrier frequency; (b) intelligence frequency; (c)modulation index; and (d)total power in FM signal
For a moving average filter with bk coefficients equal to 0.2 and given that the input to the filter starts at sample x[n], how many input samples are required to define all input terms for all filter coefficients
Three capacitors are connected in series across a 100 V battery. If the capacitances are 1 microfarad, 0.1 microfarad, and 0.01 microfarad, respectively, calculate the potential difference across each capacitor.
The two-wire 120-V supply line from the electric power company to the consumer has a resistance of 0.03 ohm. If a short circuit occurs at the consumer's residence, find the current that flows through the short-circuit.
The counter should increment on the rising edge of an input signal we'll call COUNT. Another input called CLEAR should have the effect of setting the counter to zero if CLEAR = 1 when COUNT is asserted.
The counter must stop at a value which is defined by using the 8 slide switches. Use the discrete LEDs as the output to validate the counter. The counter should run when a push button ‘run' is being pressed.
Write a short report that analyses the P&ID - Basic Neutralizer Control System: The neutralizer process may be used to adjust the pH of a feed stream.
In a balanced three-phase wye-wye system, the load impedance is 4 + j3 . The source has phase sequence abc and Van = 120
Design and draw the schematic for a conventional hardwired circuit that will perform the following circuit functions using to two break-make push buttons: Turn on light L1 when pushbutton PB1 is pressed
A) the current decreases by a factor of 1000 in .2s B) the time required for the current drop to half of its intial value is .1s less than the time required for it to drop one-quarter of its intial value.
Box 1 contains 5 red, 6 white, and 9 blue balls. Box 2 contains 7 red, 8 white, and 4 blue balls. A ball is withdrawn at random from Box 1 and placed in Box 2. Then, a ball is taken at random from Box 2.
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