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Questions and Answers
Couplings are much easier to use compared to nipples and unions in terms of assembly and disassembly.
False
Pipes should be laid out parallel to building walls to maximize available space and prevent tripping hazards.
False
U-bolts and rollers both allow for linear movement of pipes.
False
For isolation purposes in pipes using a flanged connection, a pair of open flanges is necessary.
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Insulating materials are used to totally prevent possible heat loss or heat gain from fluids flowing inside through pipes.
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Piping supports should have minimum intervals of 3m for stability.
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Threaded pipes should be rotated by at least three threads before using a socket wrench for tightening.
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Knowing the material being conveyed in a piping line is not important for selecting the appropriate piping material.
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A thermoplastic pipe should be chosen when conveying an acid-like substance over a metal pipe.
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Tubes can be connected in four possible ways: threaded, flanged, welded, and expansion joint.
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Rubber gaskets are permitted in high-temperature piping systems to prevent leaks and metal-to-metal contact.
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Gaskets in pipes provide sealing action to prevent leaks and oxidation of flange faces.
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