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One method of ensuring reliability in data transmission systems is to transmit a parity bit along with every nibble, byte, or word of binary data transmitted. The parity bit confirms whether an even or odd number of 1s were transmitted in the data. In even-parity systems, the parity bit is set to 1 when the number of 1s in the transmitted data is odd. Odd-parity systems set the parity bit to 1 when the number of 1s in the transmitted data is even. Assume that a parity bit is transmitted for every nibble of data. Design a logic circuit that checks the nibble of data and transmits the proper parity bit for both even- and odd-parity systems.
a device with no moving parts provides a steady stream of chilled air at -25c and 1 bar. the feed to the device is
for the piping diameter changes and flow directions shown below if the velocity at the input is 5 ms the initial
a specimen of a 4340 steel alloy having a plane strain fracture toughness of 45 mpa m is exposed to a stress of 1000
a 50-cm diameter pipeline in the arctic carries hot oil at 30 degrees celsius and is exposed to a surrounding
steam with a mass flow rate of 20 kgs enters an adiabatic turbine at a pressure of 10.0 mpa and a temperature of
the density of air is to be determined by measuring its pressure and temperature for insertion in the ideal gas
steam at 1 bar enters an adiabatic heat exchanger with a quality of 0.901 and exits as a saturated liquid. the steam is
the triangular plate rotates about a fixed axis through point o with the angular properties indicated determine the
a 5 ft3 tank containing steam at 14.7 psia 1 quality is fitted with a relief valve. determine the heat transfer to the
The pre- exponential and activation energy for the dif- fusion of Ni in Cu are 2.7 X 10-4 m2/s and 236,000 J/mol, respectively.
calculate normalised values of the mid-point values. Compare these to normalised end-point values and discuss why there may be differences. Use European and Worldwide values.
In the wind tunnel experiment, four wall taps are used to measure pressure. Are those wall taps used to measure pressure of the air very close to the wall surface? What is the velocity of air close to the wall surface? Are the wall taps used to measu..
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