The takeout of a butt weld fitting is the distance _____.
a. from one end of the fitting to the center of the fitting
b. from one side of the fitting to the other
c. between the welds
d. the fitting is removed from the pipe line
a. from one end of the fitting to the center of the fitting
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Which of the following is true regarding pneumatic tools?
a. They are powered by hydraulic pressure. b. They have a safety device that prevents the tool from operating unless the muzzle is pressed against a work surface. c. They are rarely used due to the hazards presented by this type of equipment. d. They require OSHA certification, including an operator's card that must be carried at all times.
What is a cable tray?
What will be an ideal response?
Welders know that when the cylinder is cracked or opened and closed quickly, they should:
A) Never point or aim the cylinder valve at anyone B) Stand on the opposite side of the valve C) Have the cylinder secured before cracking D) Warn others of what they are going to do before cracking the cylinder E) All of the above
As the temperature surrounding a self-regulating heating cable decreases, the _____.
a. conductive core or fibers expand b. electrical resistance increases c. electrical current decreases d. electrical resistance decreases