The circuit of Figure P19.42 represents a voltage regulator for a car alternator. Unlike other alternators, a car alternator is not driven at constant speed. Briefly, explain the function of Q, D, Z, and SCR.
Analysis:
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What is a reasonable way to examine if the ideal gas assumption for your system is valid?
A. Determine the system pressure. If the pressure is at most 0.3 MPa, then the system will behave as an ideal gas. B. Calculate the reduced pressure of the system (using an average critical pressure). If that value is more than 0.7, then the ideal gas assumption is reasonable. C. Calculate the actual mixture fugacity coefficients of the components. If they are close to one, you know the ideal gas assumption is reasonable. D. All of the above are reasonable. E. None of the above are reasonable.
Thermoplastic threaded pipe joints must be _____.
a. heated with blown hot air b. chemically etched with a solvent c. coated with mastic d. wrapped in Teflon tape
? Identify and state the historical significance of the Fourteenth Amendment.
What will be an ideal response?