Instead of using a silicon diaphragm, the capacitance discharge sensor uses a ___________ capacitor.

A. transistorized
B. variable
C. photovoltaic
D. resistive


Answer: B

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The formulas for a parallelogram are ____.

A. perimeter = 2a + 2b; area = a x b B. perimeter = 2a + 2b; area = a x h C. perimeter = a + b + c + d; area = a x h/2 D. perimeter = a + b + c + d; area = a x h

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Which of the following is true?

A. The internal energy of a system is comprised solely of the rotational, translational and vibrational kinetic energy of the molecules. B. All ideal gases have CV* = (3/2)R. C. A substance’s state of matter is that of a “supercritical fluid” if it is either at a temperature above its critical temperature, or at a pressure above its critical pressure. D. The Gibbs phase rule indicates that a pure compound at its triple point has one degree of freedom. E. None of the above are true.

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