All of the following factors affect the transmitted signal quality of fiber optic communications except ________
A) absorption B) attenuation C) cross-talk D) bending
C
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SAE flare fittings used on hydraulic brake systems must ________
A) Have a 45-degree taper on the male part of the fitting B) Be single flared C) Have no taper on the female part of the fitting D) Have a 20-degree taper on the male and female parts of the fitting
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Which of the following is considered the best soil for crop production?
A. sandy clay B. loam C. clay D. silty clay
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The average sound level is 70 dBA, and the threshold of pain is reached at _____ dBA
a. 80 dBA b. 100 dBA c. 130 dBA d. 150 dBA
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When studying genetic inheritance, the dominant gene is represented by a capital letter.
Answer the following statement true (T) or false (F)
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