If a person suffering from heat exhaustion doesn't improve within ___________ minutes, medical care is required.
A. 15
B. 30
C. 45
D. 60
Answer: B
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Which of the following is true with regard to suspended scaffolding?
a. Tieback lines must be perpendicular to the face of the structure. b. Check all ropes and cables monthly. c. Sand bags can be used as counterweights. d. Avoid lashing the scaffolding to the building or structure.
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What defines the maximum rate of change in output voltage for a given change in input voltage?
A) differential change ratio B) slew rate C) slew ratio D) none of the above
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What is one time constant for a 10 mH inductor connected in series with a 47 k? resistor?
A) 0.213 ?S B) 470 mS C) 213 ?S D) 470 S
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A solution that has more positive ions than negative ions is __________.
A. acidic B. alkaline
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