What must be used to loosen and torque pipe nuts such as those found on injector lines?

A. adjustable wrench
B. combination wrench
C. crows foot wrench
D. line wrench


Answer: D

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What is the BOD5 of the domestic wastewater sample, given the following data collected from the laboratory:



What will be an ideal response?

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ASME Standard B30.9 provides guidance for chain slings regarding the minimal thickness at any point on the link, with the measurements based on _____.




a. the steel alloy from which the chain is made
b. the size of the connected hooks or other hardware
c. the nominal size of the chain link
d. the length of the chain sling leg(s)

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When pulling cable with a capstan, what is the maximum pulling speed that should utilized?

a. 10 feet per minute b. 20 feet per minute c. 40 feet per minute d. 75 feet per minute

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__________ is the area of ethics that is specifically associated with biological and medicinal research

Fill in the blank(s) with correct word

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