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25 Cards in this Set
- Front
- Back
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The individual responsible for personal safety and around a trench is the ______.
A. OSHA inspector B. Foreman C. Worker D. Authority having jurisdiction |
C. Worke |
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Toppling, boiling, and sliding are indications that the trenches is _______.
A. Too deep B. Unstable C. Too wide D. Too narrow |
B. Unstable |
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If the width of a 2-foot-wide trench is increased by 6 inches, the load on the pipe in that trench increases by ______ percent.
A. 5 B. 25 C. 50 D. 150 |
C. 50 |
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A thrust block is used when the pipeline _______.
A. Is very heavy B. Is buried below 10 feet C. Changes direction D. Runs above ground |
C. Changes direction |
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When a shipment of pipe arrives on the job site, it should be _____ immediately.
A. Inspected B. Used C. Protected D. Covered |
A. Inspected |
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The laying length of cast iron bell-and spigot pipe refers to the total ______.
A. End-to-end length plus the bell length B. End-to-end length minus the bell length C. End-to-end length D. End-to-end length minus the spigot length |
B. End-to-end length minus the bell length |
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A compression joint on cast iron pipe requires a bead on the spigot end of the pipe.
A. True B. False |
B. False |
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The lever tool is typically used to install cast and ductile iron pipe in sizes ranging from _____ inches.
A. 3 to 8 B. 3 to 18 C. 8 to 14 D. 18 to 24 |
B. 3 to 18 |
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The most common wall thickness classes for ductile iron pipe are _______.
A. 50 and 52 B. 51 and 53 C. 51 and 56 D. 53 and 56 |
D. 53 and 56 |
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Which of the following is not a common type of ductile iron pipe connection?
A. Compression joint B. Mechanical joint C. Welded joint D. Flange joint |
C. Welded joint |
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To withstand forces within ductile iron pipe, pipe fitters must use restraint methods when installing ________ joints.
A. Mechanical or compression B. Angled or turning C. Welded D. Extra heavy |
A. Mechanical or compression |
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The span and rise are equal on which type of concrete pile?
A. Vertical elliptical B. Circular C. Horizontal elliptical D. Arch |
B. Circular |
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Rubber gasket used with concrete pipe require ____.
A. Shaping B. Powder coating C. Pre-stretching D. Lubrication |
D. Lubrication |
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The easiest, quickest , and cleanest way to install concrete pipe is with _____.
A. Mastic sealants B. Rubber gaskets C. Mortar sealants D. External bands
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B. Rubber gaskets |
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Schedule numbers for carbon steel pipe are 40, 80, and _____.
A. 90 B. 100 C. 160 D. 180 |
C. 160 |
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When installing dresser couplings, ensure that the ends of the mating pipes are _____.
A. Beveled adequately B.cut square C. Ground down D. Lubricated fully |
B. Cut square |
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Duriron bell-and-spigot pipe and fittings are intended for use in applications that are ____.
A. Under pressure B. Above ground C. Gravity-fed D. Low pressure |
C. Gravity fed |
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Duriron is cut in the field with a _______.
A. Chop saw B. Masonry blade C. Chain cutter D. Demolition saw |
C. Chain cutter |
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Duriron contains _______ as alloys.
A. Lead and carbon B. Aluminum and chromium C. Oxygen, lead, and magnesium D. Silicon, carbon, and magnesium |
D. Silicon, carbon, and magnesium |
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The standard temperature given in adhesive mixing charts to mix the adhesive for assembling fiberglass pipe is _____.
A. 70 B. 75 C. 80 D. 85 |
B. 75 |
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An advantage of a redi-threaded joint is that the joint is _______.
A. Easily glued B. Permanent C. Deflectable D. Lubricated |
C. Deflectable |
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Which of the following is not an advantage of thermoplastic pipe?
A. Inexpensive B. Corrosion C. Lightweight D. High resistance to heat and pressure |
High resistance to heat and pressure |
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It is not necessary to clean plastic pipe before solvent welding.
A. True B. False |
B. False |
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CPVC pipe can withstand a water hammer drop better than cover pipe.
A. True B. False |
A. True |
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The thermoplastic pipe joined by butt fusion is ________.
A. CPVC B. PE C. PEX D. PVC |
B. PE |
