What is a microscopic form of solid air pollution that can be either solid or atomized liquid matter and that is generally referred to as soot and smoke?
What will be an ideal response?
Particulate matter (PM)
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A faulty nozzle should be _____.
a. repaired and reused b. recycled c. replaced d. reversed
To anchor both wythes of a wide wall together, you should periodically place
a. a steel rod running face to face. b. wood timbers along the interior of the wall. c. a diagonal stone running face to face. d. mortar mix.
Ten items are to be sampled from a lot of 60. If more than one is defective, the lot will be rejected. Find the probability that the lot will be rejected in each of the following cases.
a. The number of defective items in the lot is 5. b. The number of defective items in the lot is 10. c. The number of defective items in the lot is 20.
Who should remove a lockout if the person who put the lockout on is not present?
A. The plant engineer B. The safety officer C. The leadperson D. No one