Which of the following explains why piezo actuators respond faster to injector driver signals than equivalent solenoid actuators
A. lighter in weight
B. mechanical movement takes place without having to build a magnetic field
C. they use data bus driven signals
D. respond to wireless driver inputs
Answer: B
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One benefit to digital sampling of analog data is
A) the sample waveform can be easily stored B) the levels between the sampled points on the waveform can be easily found C) the sample will reproduce an exact replica of the input D) none of the above
The most common cause of serious vehicle skid is
1) Driving too fast for road conditions. 2) Poorly adjusted brakes. 3) Over- inflated tires.
There are eight pole-zero graphs of system transfer functions in Figure E.48. Answer the following questions about their frequency responses, impulse responses and step responses. Frequency response:
(a) Which have a phase approaching zero at very high frequencies?
(b) Which have a phase that is discontinuous at zero frequency?
(c) Which have a magnitude approaching zero at high frequencies?
Step response:
(a) Which have a step response that is nonzero in the limit t ? ??
(b) Which have a step response that is discontinuous at t = 0?
Impulse response:
(a) Which have an impulse response that contains an impulse?
(b) Which have an impulse response approaching zero in the limit t ? ??
