Why do high-quality capacitors have polyethylene, polycarbonate, or Teflon dielectrics?
A. They minimize voltage variations resulting from capacitor characteristics.
B. They limit the maximum input frequency that the S/H circuit can accurately process.
C. They convert quantized waveforms into stepped analog signals.
D. They isolate the input signal from the S/H circuit and provide proper impedance matching.
A
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The round, weightless bar in Figure 13.11 is 34 in. in diameter. E = 30(10?) psi. Find the tensile stress in the bar and the deformation caused by the applied load, F = 5 200 lbf.
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An easy method of desoldering wire is by using ____.
A. acid B. suction C. solder wick D. a soldering iron
Technician A says only 4WD rear driveshafts are balanced. Technician B says all RWD driveshafts are balanced. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
The following statements are all correct EXCEPT ________
A) When the PCM detects detonation using the knock sensor, it will retard ignition timing. B) The knock sensor may be ignored by the PCM at idle. C) Knock sensors require voltage input from the PCM to function properly. D) Ignition timing may be either ATDC, at TDC, or BTDC.