All these statements are correct EXCEPT ________
A) Lower pH numbers indicate a substance is more acidic
B) Respirators MUST be worn when working with some hazardous waste products
C) The Environmental Protection Agency does not include corrosive materials in its hazardous waste list published in the Code of Federal Regulations
D) Pure water has a pH of 7, meaning it is neutral
C
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A railroad track is crossed by a minor street that intersects a major street that runs parallel to the railroad track. There is a concern about queuing of minor street traffic, controlled by a STOP sign at the intersection with the major street, backward onto the track. Determine whether this intersection meets MUTCD Warrant 9, given the following data below:
? Major street peak hour volume (two-way): 320 veh/h ? Minor street peak hour volume (on the one-lane approach that crosses the tracks): 120 veh/h; 6% of which are tractor-trailer trucks; bus traffic is negligible ? Rail traffic is an average of 8 trains per day distributed in a scattered manner throughout the day ? The distance on the minor street between the nearest rail of the track and the STOP line at the intersection with the major street is 96 ft. What will be an ideal response?
In absolute positioning, all process locations are given as distances from a ____.
A. zero point B. maximal point C. predefined point D. central point
GTAW is most commonly performed using _____
a. constant voltage b. alternating current with low frequency c. direct current electrode positive (DCEP) d. direct current electrode negative (DCEN)
The term ____________________ refers to a male sex hormone, such as testosterone
Fill in the blank(s) with correct word