Which capacitor is necessary to generate a 220 ms pulse at the output of a monostable 555 timer if RA = 100 k??
A) 2000 ?F B) 2 ?F C) 200 pF D) 1200 ?F
B
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Methylcyclopentane (CH3C5H9) will isomerize to cyclohexane (C6H12) at 298 K and 1 bar. Calculate the equilibrium composition of this isomerization reaction. The table below might have useful information. State all assumptions clearly.
A competent signal person must be stationed at all times whenever a crane is _____
a. approaching the minimum safe distance from an energized power line b. within twice the boom's length of an energized power line c. within a boom's length of an energized power line d. within 60 feet of an energized power line
A red arrow pointing to the right on a traffic light means you may:
a. turn in that direction after you come to a complete stop b. turn in that direction after slowing and checking traffic. c. not turn in that direction until the light turns green.
In most situations a ____ soldering iron is adequate.
A. 15- to 25-watt B. 25- to 35-watt C. 30- to 40-watt D. 35- to 45-watt