Label the following furnace
Fire box
Trades & Technology
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342 + 4.82 + 4.602 - 36.5 =
A) 315.922 B) 351.422 C) 314.922 D) 387.922
Trades & Technology
An oxygen sensor is being tested using a DSO (digital storage oscilloscope). A good oxygen sensor should display how many switches per second?
A) 15-20 B) 5-10 C) 10-15 D) 1-5
Trades & Technology
For the exposure of employees to radiation during any calendar quarter, the dose to the whole body must not exceed three rems.