What is the maximum reading on a typical R22 compound gauge?
A) 300 psig B) 120 psig C) 800 psig D) 500 psig
B
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Why didn't the framers of the Constitution extend the Revolutionary War era spirit of equality and liberty to the abolition of slavery and giving women the right to vote?
What will be an ideal response?
Which of the following statements is true?
A. The change in internal energy of an ideal gas can be calculated using the equation dU = CPdT, even if the pressure of the gas isn’t constant. B. The change in enthalpy of a supercritical fluid can be calculated using the equation dH = CPdT, even if the pressure of the fluid isn’t constant. C. The expression CP = CV + R was derived for ideal gases, but is frequently applied to liquids and solids as well. D. The properties tabulated in the steam tables are all state properties, but none of them are extensive properties. E. WEC = -PV, so U - WEC is equal to H.
The separation of the refrigerant components in a zeotropic refrigerant when the refrigerant evaporates or condenses is known as:
A) Refinement. B) Concentration. C) Separation. D) Fractionation.
Three flip-flops are wired together as a binary counter and the input clock frequency is 600 Hz. What is the output frequency of the highest order Q output?
A) 120 Hz B) 100 Hz C) 50 Hz D) 60 Hz