The subsequent problems deal with a measurement system with a frequency response as shown below:
For all input frequencies above 4.5 rad/sec, the system output amplitude will be
A. attenuated, but nonzero
B. 0
C. amplified
D. 1
E. negative
Answer: B
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A. higher than 12" B. higher than 6" C. lower than 15" D. lower than 12"
After the Revolutionary War, both Britain and Spain
A. tried to gain control of Florida. B. did their best to win the friendship of America. C. prevented America from exercising effective control over about half of its total territory. D. helped America to fight the pirates in North America. E. abandoned their fortifications in the Old Northwest.
When the positive lead of a diode is connected to the positive side of a circuit, it is called ________
A) Negative bias B) Reverse bias C) Forward bias D) None of these
The three major electrical defects in compressor motors that can be identified using an ohmmeter are:
A) Single-phasing, dual-phasing, and three-phasing. B) Open, shorted, or grounded. C) Phased, unbalanced, or blown. D) Locked, under capacity, and unbalanced.