A load of pipe is most commonly lifted using _____.
a. lifting beams
b. hoist ropes wrapped around the load
c. lifting lugs
d. a choker hitch
Answer: D
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Grooved pipe welds are made up of several separate weld joints.
Answer the following statement true (T) or false (F)
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?Although the welded pipe seam is ___________, it is usually easy to find by looking at the inside surface of the pipe.
Fill in the blank(s) with the appropriate word(s).
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A cracked exhaust pipe before the upstream HO2S can cause all of the following except:
A. A lean HO2S signal B. A rich air-fuel ratio C. O2 sensor heater failure D. Poor fuel economy
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What is the face angle of flares used in the HVAC trade?
a. 30 degrees b. 33 degrees c. 45 degrees d. 60 degrees
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