Infrared cameras are used to check:
A) Thermal leakage. B) Percentage of CO2.
C) CO parts per million. D) Air particle count.
A
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If you see something unsafe on the job site, you should _____.
a. try to correct the problem yourself b. report it immediately to your supervisor c. write a report for the Safety Committee d. assume someone else will take care of it
When installing single conductor cables in tray systems with conductors size 4/0 and larger, they must be _____.
a. installed in multiple layers b. installed in a single layer c. spaced one cable diameter apart d. derated according to the number of conductors in the tray
In some larger mines, a pony would be bred, born, and put to work without ever having seen the light of the sun.
Answer the following statement true (T) or false (F)
At sea level, the air pressure applied to every square inch of Earth's surface is _____
a. 0 psia b. 14.7 psia c. 27.68 psia d. 14.7 psig