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Obtain the Thévenin and Norton equivalent circuits for the portion of the circuit to the left of terminals a-b in Figure P2.1.4, and find the current in the 200-Ω resistance.
Calculate the molar mass of a gas if 2.50 grams occupies 0.0875 liters at 685 torr and 35 degrees Celsius.
Problem 1: For the circuit given in Figure 1 the power factor is 0.72 lagging and the power dissipated is 375 W.
a)Draw and label the flowchart and carry out the degree-of-freedom analysis using balances on atomic species.(b)Determine the molar flow of oxygen supplied to the boiler.
1a / state the formula giving flowrate (qv) in terms of valve flow coefficient, pressure drop across the valve and relative density of fluid. State the units of the variables in the formula.
The constant losses from a no-load run as a motor are given to be 220 W, of which 70 W represents friction and wind age losses. Calculate the efficiency of the induction generator.
Calculate the ?S for the transfer of one mole of octane to water using the change in multiplicities assumed for the first shell of water molecules surrounding the molecules.
An elementary second order adiabatic reaction A+ B CD ? + is taking place in a CSTR. The feed to the reactor is equimolar A and B at concentrations of 2.4 mol/liter. The entering temperature is 300 K.
The motor starting torque.
Use the Lee-Kesler method- Calculate the entropy of propane at its critical point. The reference state is the ideal-gas state at the critical point.
Determine the resultant line current and power factor.
Which of the following would you expect to be elastomers and which thermosetting polymers at room temperature? Justify each choice.
Lay out the flow sheet of the process and justify your choice based on the characteristics of the source water (note: if data not available, you can make your estimations based on other similar sites or commensense); (20%)
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