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(a) Excess-3 code is a 4-bit binary code for the 10 decimal digits and is found useful in digital computer arithmetic. Each combination is found by adding 3 to the decimal number being coded and translating the result into direct binary form. Set up a table for the excess-3 code for the 10 decimal digits.
(b) Set up a table for a 4-to-10 line excess-3 decoding.
If the face opening for a laboratory hood installation is to be 2 feet high and 5 feet wide, what volumetric flow rate is required to generate a face velocity of 100 ft/min?
A paint mixture containing 25% of pigment and the balance water sells for $18.00/kg, and a mixture containing 12.0% pigment sells for $10.00 kg. If a paint retailer produces a blend in containing 17.0% pigment, for how much ($/kg) should it be sold t..
determine which heat exchanger is cheaper by comparing the capitalized costs.
Neglecting field-current changes, armature reaction, and armature inductance, find the initial and final values of the armature current and speed corresponding to each step.
what is the optimum operating reaction temperature at a conversion level , xa = 0.8 given- K1 = exp ( 10 -5000/T) K2 = exp ( 40 - 15000 /T) and maximum allowable temperature = T = 300 ok
The viscosity of the liquor is 0.7 mN m-2 s. The cutoff crystal size required is 5 μm. Select a suitable type of centrifuge to use for this duty.
Formulate arguments for and against the idea that risk assesment can and should be separated from risk management. Discuss land as a natural resource and how and why it is or should be regulated by environmental laws.
A 95 turn square wire coil of area 0.040 m2 rotates about a vertical axis at 1730 rpm, as indicated in Figure P20.30. The horizontal component of the Earth's magnetic field at the location of the loop is 2.0 10-5 T.
For a reversible liquid phase reaction A-^R, the conversion is 33.3% after 8 minutes and equilibrium conversion is 66.7%. Find the rate equation for the reaction.
The solid particles have average diameter 3 mm and piece density 730 kg/m3. Hot air at 150 ºC is blown up through the dryer belt at a volumetric flow rate of 7200 m3 /hr per m2 of belt area. Will the bed of solids on the belt fluidize?
At steady state with a feed concentration of 4 gmol/lit., and mean residence time of 65 sec in the second reactor, the concentration of feed to second from the first is found to be 2 gmol/lit., while that of the stream leaving the second is 1 gmol..
Calculate the mass feed rate of hydrogen (kg/s) required to produce 4 x 106 metric tons of ethane per year, assuming the reaction goes to completion and that the process operates for 24 hours a day and 300 days a year. (20.6 kg H2/s)
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