Mr. Valentine wishes to buy steak and pork. Mr. Valentine has a budget of $20.
At point A, the consumer is said to be in ________.
Fill in the blank(s) with the appropriate word(s).
equilibrium
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Answer the following statement(s) true (T) or false (F)
Cast iron fittings 4" or larger cannot be used indoors for fuel gas piping systems.
What is true about modeling systems that show liquid-liquid equilibrium?
A. All models will provide a symmetric LLE dome, with the UCST at an equimolar composition. B. For immiscible systems, one can use the infinite dilution activity coefficient to estimate the compositions of the liquid phases that are in equilibrium. C. In modeling liquid-liquid phase equilibrium, one normally treats one of the phases using modified Raoult’s Law and the other phase as an ideal gas, if the pressure is below about 0.2 MPa. D. The pressure is the key modeling variable, since the LLE dome changes significantly with pressure. E. None of the above.
A transformer has a turns ratio of 2.5:1. The primary voltage is 208 V. The secondary current is 18 A. What is the primary current?
A. 7.2 A B. 83.2 A C. 45 A D. 11.56 A
A 16 ?F capacitor is in series with a 68 ? resistor across a 240 Hz, sine wave, 12-V ac source. Total circuit current is
A) 151 mA B) 176 mA C) 293 mA D) 444 mA