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Problem 9.5:
In the process below, all streams are mixtures of methane/carbon monoxide with molar compositions indicated on the flow chart in Figure 9-3. Calculate the material and energy balances and perform an entropy analysis of the mixing point, the heat exchanger, and of the entire process. The heat capacities of methane and carbon monoxide are CPA = 40.8 J/mol K, and CPB = 29.4 J/mol K, respectively.
Calculate the temperature change when 10 mol of benzene is mixed with 40 mol of heptane adiabatically, 1 bar., if the initial temperature of the pure components is 20 °C. The heat capacity of the pure liquids are CP 1 = 134 J/mol, CP 2 = 222 J..
For a coil current I (dc), derive an expression for the force on the plunger.
Evaluate particle diameter at different terminal gas velocities
Using 4 SRFFs obtain the block diagram for an SISO shift register.
Consider Example 12.4.1. With the assumed current-source excitations of part (c), determine the voltages induced in the stator and rotor windings at the corresponding angular velocity ωm at which an average torque results.
The motor starting torque.
Question - 1 In an oxygen -nitrogen mixture at 10 atmosphere and 25 oc , the concentration of oxygen at two places 0.2 cm apart are 10 and 20 volume percent respectively. The rate of diffusion of oxygen expressed as g /cm2 -hr for the case of unic..
A three-phase, wye-connected, 2300-V, four pole, 1000-kVA, 60-Hz synchronous machine has a synchronous reactance Xs = 5 Ω, a field resistance Rf = 10 Ω, and an approximately linear magnetization characteristic (Ef versus If ) with a slope Kag = 200 Ω..
In the direct steelmaking reactor based on the reduction of an oxidizing foaming slag by char (carbon) particles and droplets of iron containing 2% carbon. Estimate the total surface area of char and iron droplets needed to achieve the smelting ..
Suppose that for mass transfer of species A from a fluid flowing over a flat plate the Schmidt number is much less than one (Sc
(a) What is the minimum number of theoretical stages necessary to effect this separation? (b) What is the minimum extract reflux ratio?
Develop a two-dimensional addressing system using a 6-to-64 decoder, a 64-word×128- bit matrix, and 16-input multiplexers. How many gates would such a system require?
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