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A thin, flat plate that is 0.2 m by 0.2 m on a side with extremely rough top and bottom surfaces is placed in a wind tunnel so that its surfaces are parallel to an atmospheric air stream having a velocity of 30 m/s. The air is at a temperature of Too = 20°C while the plate is maintained at Ts = 80°C. The plate is rotated 45° about its center point as shown in the schematic. Air flows over the top and bottom surfaces of the plate, and measurement of the heat transfer rate is 2000 W. What is the drag force on the plate?
A recent study has been carried out concerning radio propagation in railway tunnels. In this study, two railway tunnels of rectangular cross section are considered. Tunnel 1 has transverse dimensions of width a = 8 m
An 8 bit shift register is configured so that the output of the least significant bit is fed back to the input of the most significant bit. If the register has an initial state of 11010001, what does the shift register contains after three clock p..
Consider a thin ring of radius a with uniform charge density and total charge Q. The ring is cut in half across the diameter and the two halves superimposed to double the effective charge density.
Using verilog, write the code and test bench for a 4 bit shift register where if L=1 the register is loaded with R. When L goes low the contents of the registers are shifted towards the right and the MSB of the register is loaded with W.
1.Name and characterize the main source working regimes and write down working regime conditions. 2.Write down the electrical source efficiency factor expression using the parameters of the source and consumer.
A 220 V, 1500 rpm, 11.6 A (armature current) separately excited motor is controlled by a single phase, full wave SCR converter. The armature resistance of the motor is 2 ohm. The ac source voltage is 230 V (rms) 60 Hz.
The basic column control system shown in Figure is somewhat more complicated than the basic neutralizer control system
To familiarize yourself with the Internet Standards, search the Internet for the IETF RFC website. Using the information you find on this site, answer the following questions: Identify four types of Internet standards.
The counter will use the falling edge of the clock (denoted by Clk) and have a separte reset pin (R) which will reset the counnter to 0000 when it is low (e.g. R=0). Please use D type flip-flops. write down the state diagram , and state table.
A 'gate delay' can be described as the time needed for the outputof a gate to settle to its correct level after one of its inputshas been changed. The full-adder circuit we have designed wouldtherefore result in a gate delay of 2 units.
A series circuit has a DC voltage source (56 volts), a resistor, (72 ohms), a capacitor (82 farads), and a switch. The capacitor is initially uncharged and the switch closes at t=0.
Assume that h is a random variable with PDF. Pn(h)=0.1*d(h-1)+0.9d(h-3). n is a zero mean white gaussian noise with variance 0.5. Assume that the channel state info is available at the reciever for each of the three branches.
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