Which is the correct formula for Ohm's Law?
A) R = V × I B) V = I ÷ R C) P = V × I D) I = V ÷ R
D
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What will be an ideal response?
Which of the following statements is false?
A. The Lewis-Randall rule states that when the mixture is modeled as an ideal solution, the mixture fugacity of component i is equal to the pure component fugacity of component i, multiplied by the mole fraction of component i in the mixture. B. The activity coefficient of component i in a mixture is the mixture fugacity of component i divided by the mixture fugacity of component i if treated as an ideal solution. C. The mixture fugacity must carry units of pressure (Pa, kPa, MPa, …). D. The mixture fugacity of component i will be the same value in all of the phases where it appears in phase equilibrium. E. None of the above are false.
A high carbon steel containing 1.13 percent carbon, with a microstructure similar to that in Fig. 18.36, is heated to 730°C and allowed to come to equilibrium. It is then quenched too room temperature. Make a sketch of the resulting microstructure, identifying the constituents.
What will be an ideal response?
Glycol solutions are added to water in secondary refrigerant loops
A) To lubricate the circulating pump bearings B) To increase the system heat transfer C) To make leaks easier to locate D) To prevent freezing and inhibit corrosion