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Air flows through a duct as in Fig P9.84, where A1 = 24 cm2, A2 = 18 cm2, and A3 = 32 cm2. A normal shock stands at section 2.
Compute
(a) The mass flow,
(b) The Mach number, and
(c) The stagnation pressure at section 3.
Explain methods FOR artificial aggregate productions
The display needs to tell you what direction you are about to move. The problem is WBNEC insists that you use a standard 7-Segment display. (Hint: You can tilt the display.) Design a decoder that will display up-down-left-right.
Design a circuit that will take two clocks with different pulses as an input, determine within one second the faster clock and lights an led to denote the faster clock. The led should stay on until it is reset by a control signal.
explain the dilation, erosion, closing, and opening operations on a binary image B with a structured element S. ( you need to use the symbolic notion for the operators, but need not provide the precise mathematical definitions
A voice frequency massage signal (fmax=B= 4 kHz) is transmitted by three binary systems: PCM (μ = 255), DPCM (α = 10), and DM. The bit rate required is Rb = 120 kbps, and m_p2/(m2 (t))= 2 a) Determine the SNR in output of each systems in dB.
Assume we need to design a cellular system that covers an areaof Radius R=20 miles.For practical reasons (cost of BS , handoffcapability,etc.) ,each cell should cover at least an area of radiusr=1 mile.FDD is used and that each simplex channel re..
Determine the required value of H to eliminate the effect of the disturbance.
Fortunately, for this purpose, we can replace multiplication with switching operation. A similar observation applies to demodulators. In the scheme depicted in fig p7-40a, the period of the rectangular periodic pulse x(t) shown in Fig. P7-40b is T..
Water is the working fluid in an ideal Rankine cycle. Superheated vapor enters the turbine at 10 MPa, 4808C, and the condenser pressure is 6 kPa. Determine for the cycle the rate of heat transfer to the working fluid passing through the steam generat..
All of us know that an automatic iron box set at "silk" will get heated upto a particular value, and if it is set at "wool"' iron box will get heated upto a higher value. Draw a block diagram representing the control system.
design a Mealy FSM to control a vending machine. This vending machine sells chewing gum for 20 cents. There is a single coin slot that accepts either a nickel or a dime. Only one coin can be input at a time and no change is given.
If the voltage across a capacitor is a square wave, predict the resulting current waveform (draw the voltage and current waveforms). Repeat the process when the voltage across the capacitor is a sine wave.
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