Which of the following safety devices is most likely to be used in dusty locations?
a. heat detectors
b. smoke dampers
c. smoke detectors
d. fire dampers
Ans: a. heat detectors
Business
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In a time study, what is the required sample size to be 95% confident that the observed average time is within ± 2% of the actual value, if the process has a standard deviation of 1 minute and mean of 50 minutes?
What will be an ideal response?
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__________ operation retrieves a subset of rows
Fill in the blanks with correct word
Business