When a 555 timer is operated in the astable mode, the output will be a ____.

A. single pulse
B. spike
C. stream of pulses
D. steady 5 V DC


Answer: C

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Which of the following enrichment items would be best for the STO?

a. Artificial plants b. Rodent wheel with horizontal bars c. Live plants with heating lights d. Fresh vegetables

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A(n) ____________________ is a circuit that generates a repetitive AC signal.

Fill in the blank(s) with the appropriate word(s).

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Using Equations 10.12 and 10.13, compute the fixed-end moments for the fixed-end beams.



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Technician A says that most differential carriers have two oil fill holes at different levels and that the pinion angle off a horizontal plane determines which fill hole should be used.. Technician B says that the oil fill hole that is highest on an axle should always be used to check oil level. Who is correct?

A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B

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