Homework Answers
Solution
Answer: Oscillation
The ellipse in a phase space diagram do not have an rest point. It proceeds forever. Oscillation is also forever. A pure simple harmonic oscillation (without any damping effects) will continue forever. You can also deduce this by changes occurring in signs of position and velocity. Initially let both of them where positive. It reaches the maximum amplitude of oscillation then the sign of velocity switches to negative. This proceeds until the negative maximum amplitude is reached and the process continues forever. Thus oscillation is described by an ellipse in phase space diagram.
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Consider the phase diagram below. рх Pmax XL XR Pmax An ellipse in phase space represents...
Consider the phase diagram below. рх Pmax XL. XR Pmax The area of the ellipse in...
Consider the phase diagram below. рх Pmax XL. XR Pmax The area of the ellipse in a phase diagram is measure in metric units of O wavelength. O angular momentum. O acceleration or g. frequency
2. Consider the phase diagram of compound Z below: Pressure 1.00 lata A 6.5 Temperature a....
2. Consider the phase diagram of compound Z below: Pressure 1.00 lata A 6.5 Temperature a. Label the areas representing solid, liquid, and gas. b. The substance is at point A and the pressure drops to 0.5 atm. What state change will it undergo? (boiling, melting, freezing, etc.)
46.2% Resources Give Up? Hint Consider the phase diagram for carbon dioxide. 73.0 In what phase...
46.2% Resources Give Up? Hint Consider the phase diagram for carbon dioxide. 73.0 In what phase is CO, at 4 atm and -10 °C? solid liquid O gas Pressure (atm) solid liquid 5.11 1.0 31.1 -78.5-564 Temperature (°C) Starting from the same point, 4 atm and -10 °C, what phase change would eventually result from an increase in pressure? freezing deposition melting condensation sublimation vaporization
Consider the phase diagram shown below, which represents a liquid-vapour equilibrium. Label all regions, and indicate...
Consider the phase diagram shown below, which represents a liquid-vapour equilibrium. Label all regions, and indicate the number of composition and phases present at the points labelled b, d, e, f, g, and k. Temperature, T 0.2 0.8 0.4 0.6 Mole fraction of B,
2. [20pt] Consider the temperature-composition phase diagram shown below, which represents a solid-liquid equilibrium based on...
2. [20pt] Consider the temperature-composition phase diagram shown below, which represents a solid-liquid equilibrium based on a (liquid) mixture of A and B at high temperature. Temperature, T DY 0.16 0.23 0.57 0.67 0.84 0.2 0.8 0.4 0.6 Mole fraction of B, XE (a) Label all regions of the diagram according to the chemical species exist in that region and their phases. Be precise the composition of solid formed. (10pt) (b) Indicate the number of species and phases present at...
Consider the hypothetical eutectic phase diagram for metals A and B, which is similar to that...
Consider the hypothetical eutectic phase diagram for metals A and B, which is similar to that for the lead-tin system, (shown in the figure below.) Assume that (1) O and S phases exist at the A and B extremities of the phase diagram, respectively; (2) the eutectic composition is 36 wt% A-64 wt% B, and (3) the composition of the phase at the eutectic temperature is 88 wt% A-12 wt% B. Determine the composition of an alloy that will yield...
The circuit below represents a three-phase, 60 Hz, synchronous generator supplying powerto an induction motor. Since...
The circuit below represents a three-phase, 60 Hz, synchronous generator supplying powerto an induction motor. Since the system is balanced, the diagram represents only Phase A of the system. Assume the motor magnetizing reactance, the motor friction loss, core loss, and windage loss are neglected to simplify the circuit. In addition, all losses in the generator are ignored Generator rating: 10.0 MVA and 13.8 kV (line voltage); Motor rating: 9.0 MW output, 4 poles, 60 Hz, R10.9 Ohm and R2...
Question 10 (2 points) Consider the phase diagram of methane shown below below. 10 Supercritical fluid...
Question 10 (2 points) Consider the phase diagram of methane shown below below. 10 Supercritical fluid 102 Liquid 10 Solid Pressure (atm) 1 10-1 1 Gas 10-2 10-> 10-4 -200 0 100 -100 Temperature (9 What phase(s) of methane exist at 10 atm and -150° C gas solid solid, liquid and gas liquid O supercritical fluid
Consider the 3-bus power system single diagram below. A bolted three phase fault occurs at bus...
Consider the 3-bus power system single diagram below. A bolted three phase fault occurs at bus 3. Using bus impedance matrix calculate the following: 1 j0,2 j0,5 0,3 A2 2 3 A3 j0,3 0,6 j0,2 1.1 1.2 1.3 Fault current Bus voltages Line currents during the fault.
QUESTION 1: Consider the 3-bus power system single diagram below. A bolted three phase fault occurs...
QUESTION 1: Consider the 3-bus power system single diagram below. A bolted three phase fault occurs at bus 3. Using bus impedance matrix calculate the following: j0,2 j0,5 0,3 A2 2 3 A3 0,3 j0,6 j0,2 1.1 Fault current Bus voltages Line currents during the fault. 1.3
Consider the phase diagram below. рх Pmax XL. XR Pmax The area of the ellipse in a phase diagram is measure in metric units of O wavelength. O angular momentum. O acceleration or g. frequency
2. Consider the phase diagram of compound Z below: Pressure 1.00 lata A 6.5 Temperature a. Label the areas representing solid, liquid, and gas. b. The substance is at point A and the pressure drops to 0.5 atm. What state change will it undergo? (boiling, melting, freezing, etc.)
46.2% Resources Give Up? Hint Consider the phase diagram for carbon dioxide. 73.0 In what phase is CO, at 4 atm and -10 °C? solid liquid O gas Pressure (atm) solid liquid 5.11 1.0 31.1 -78.5-564 Temperature (°C) Starting from the same point, 4 atm and -10 °C, what phase change would eventually result from an increase in pressure? freezing deposition melting condensation sublimation vaporization
Consider the phase diagram shown below, which represents a liquid-vapour equilibrium. Label all regions, and indicate the number of composition and phases present at the points labelled b, d, e, f, g, and k. Temperature, T 0.2 0.8 0.4 0.6 Mole fraction of B,
2. [20pt] Consider the temperature-composition phase diagram shown below, which represents a solid-liquid equilibrium based on a (liquid) mixture of A and B at high temperature. Temperature, T DY 0.16 0.23 0.57 0.67 0.84 0.2 0.8 0.4 0.6 Mole fraction of B, XE (a) Label all regions of the diagram according to the chemical species exist in that region and their phases. Be precise the composition of solid formed. (10pt) (b) Indicate the number of species and phases present at...
Consider the hypothetical eutectic phase diagram for metals A and B, which is similar to that for the lead-tin system, (shown in the figure below.) Assume that (1) O and S phases exist at the A and B extremities of the phase diagram, respectively; (2) the eutectic composition is 36 wt% A-64 wt% B, and (3) the composition of the phase at the eutectic temperature is 88 wt% A-12 wt% B. Determine the composition of an alloy that will yield...
The circuit below represents a three-phase, 60 Hz, synchronous generator supplying powerto an induction motor. Since the system is balanced, the diagram represents only Phase A of the system. Assume the motor magnetizing reactance, the motor friction loss, core loss, and windage loss are neglected to simplify the circuit. In addition, all losses in the generator are ignored Generator rating: 10.0 MVA and 13.8 kV (line voltage); Motor rating: 9.0 MW output, 4 poles, 60 Hz, R10.9 Ohm and R2...
Question 10 (2 points) Consider the phase diagram of methane shown below below. 10 Supercritical fluid 102 Liquid 10 Solid Pressure (atm) 1 10-1 1 Gas 10-2 10-> 10-4 -200 0 100 -100 Temperature (9 What phase(s) of methane exist at 10 atm and -150° C gas solid solid, liquid and gas liquid O supercritical fluid
Consider the 3-bus power system single diagram below. A bolted three phase fault occurs at bus 3. Using bus impedance matrix calculate the following: 1 j0,2 j0,5 0,3 A2 2 3 A3 j0,3 0,6 j0,2 1.1 1.2 1.3 Fault current Bus voltages Line currents during the fault.
QUESTION 1: Consider the 3-bus power system single diagram below. A bolted three phase fault occurs at bus 3. Using bus impedance matrix calculate the following: j0,2 j0,5 0,3 A2 2 3 A3 0,3 j0,6 j0,2 1.1 Fault current Bus voltages Line currents during the fault. 1.3
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