An oxygen sensor is being tested using a digital storage oscilloscope (DSO). A good oxygen sensor should display how many switches per second?
A) 5-10 B) 10-15 C) 15-20 D) 1-5
D
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A fluid commonly used in cryogenic freezing is liquid _____.
a. HCFC-22 b. nitrogen c. carbon monoxide d. HFC-134a
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A construction contract bid is compiled in three stages: the advance stage, the review stage, and the ____ stage.
A. finish B. clarification C. completion D. closing
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A monostable 555 timer is designed using the following external components: RA = 1.8 k?, C = 400 pF. What is the pulse width (tw) of the output?
A) 3.1 ms B) 1.14 ?s C) 2.4 ?s D) 0.79 ?s A) 940 ?s B) 84 ?s C) 900 ?s D) 880 ns
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If a 6% tax on parts is added, what is the cost for the tax?
Fill in the blank(s) with the appropriate word(s).
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