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Module 9 Trade Terms

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Across
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____ pipe is most often used as gas or air pressure pipe.
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____ and chain wrenches are wrench-like tools with a length of chain that holds the pipe.
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Steel pipe for threading is manufactured in three weights or strengths: ____ weight, extra strong; and double extra strong.
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A ____ valve is most commonly used in faucets and for draining and freeze protection aboveground.
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Where frequent operation and close control of flow are required, use a(n) ____.
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____ is widely used as gas piping because of its ease of installation.
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____ are installed in CSST systems to quickly shut off gas flow.
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A(n) ____ connects two pipes by screwing the thread and shoulder pieces of the union onto the pipes.
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Hand threaders consist of two parts; the pipe die and the ____, the device that holds the die.
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To thread large quantities of pipe, use a(n) ____ machine, which rotates, threads, cuts, and reams pipe.
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____ are used to control gas pressure in fuel-gas piping systems.
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____ fittings have a drainage pattern design and recessed threads that should be used only on soil and waste piping systems.
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Where quick shutoffs for line maintenance are required, use a(n) ____ .
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To avoid leaving jaw marks or scratches on plated or stainless steel pipe, use a(n) ____ to grip the pipe.
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____ pressure systems operate at grater pressures than standard pressures.
Down
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Pieces of pipe that are used to make extensions from a fitting or to join two fittings are called ____.
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The length of pipe that gets threaded into the fitting is called the thread ____.
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Box or C-shaped extrusions of steel used for attaching pipe hangers when securing pipes are ____.
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The maximum pressure for gas systems is 5 ____.
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You can used the same ____ , or tools used to cut the threads, with all three weights of each size of pipe.
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The standard pressure for gas systems is 7 inches of ____ (w.c.).
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____ cannot be used in drainage systems because their inside surfaces are not smooth enough.
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Although more resistant to corrosion than black-steel pipe, ____ pipe is still less resistant to corrosion than other piping materials.
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____ allow you to connect the horizontal and vertical runs of pipe at a central point.
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When threading pipe that is larger in diameter, use a(n) ____ to hold the pipe in place.
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Use ____ to split single CSST gas lines into multiple lines.
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When joining threaded pipe, use ____ compound or sealant tape to provide lubrication for assembly.
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When threading a small-diameter pipe, use a(n) ____ to hold the pipe in place
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The purpose of a ____ is to allow you to join two lengths of pipe using threaded flanges at their ends.
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A ____ is best suited as a stop valve.
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Pipe ____ are pipe attachments, connectors, and structural attachments used for securing and supporting pipes.