Piping Materials and Codes

<p>Malleable iron</p> Signup and view all the answers

<p>To suit different operating conditions</p> Signup and view all the answers

<p>Non-ferrous materials</p> Signup and view all the answers

<p>Only in name</p> Signup and view all the answers

<p>Inches</p> Signup and view all the answers

<p>Actual outside diameter of the pipe</p> Signup and view all the answers

<p>To provide an easy method for dismantling piping</p> Signup and view all the answers

<p>d = D - 2t</p> Signup and view all the answers

<p>They can be easily assembled or disassembled</p> Signup and view all the answers

<p>To make close connections</p> Signup and view all the answers

<p>To make branch line connections at 90°</p> Signup and view all the answers

<p>Millimeters</p> Signup and view all the answers

<p>To close off open pipe ends or fittings</p> Signup and view all the answers

<p>They eliminate the possibility of leakage</p> Signup and view all the answers

<p>They require a skilled welder</p> Signup and view all the answers

<p>Socket welding</p> Signup and view all the answers

<p>To line up the pipe and prevent weld metal from protruding inside</p> Signup and view all the answers

<p>To ensure they are of the proper strength and material for the service</p> Signup and view all the answers

<p>Manufacturer's name, service designation, and material designation</p> Signup and view all the answers

<p>Thermal expansion</p> Signup and view all the answers

<p>To allow for thermal expansion</p> Signup and view all the answers

<p>One uses a slip pipe and the other uses a flexible corrugated section</p> Signup and view all the answers

<p>To prevent leakage between the slip pipe and the joint body</p> Signup and view all the answers

<p>Male (external) threads</p> Signup and view all the answers

<p>To facilitate free drainage of water</p> Signup and view all the answers

<p>To remove the internal burr of the pipe</p> Signup and view all the answers

<p>They permit disassembly</p> Signup and view all the answers

<p>To prevent leakage</p> Signup and view all the answers

<p>Ring joint gasket</p> Signup and view all the answers

<p>To prevent leakage</p> Signup and view all the answers

<p>Tightening in the cross-over method</p> Signup and view all the answers

<p>Van Stone flanges</p> Signup and view all the answers

<p>To reduce the pipe size</p> Signup and view all the answers

<p>Anticipated operating conditions of pressure, temperature, and corrosion</p> Signup and view all the answers

<p>Cast iron</p> Signup and view all the answers

<p>To ensure the material is safe under anticipated operating conditions</p> Signup and view all the answers

<p>It is the most common piping material</p> Signup and view all the answers

<p>Non-ferrous materials</p> Signup and view all the answers

<p>To produce welded fittings</p> Signup and view all the answers

<p>To connect two pipes of different sizes</p> Signup and view all the answers

<p>They are more convenient to assemble and disassemble</p> Signup and view all the answers

<p>To connect pipes to fittings and valves</p> Signup and view all the answers

<p>To remove internal burrs from pipes</p> Signup and view all the answers

<p>Ensuring the flanges are aligned properly</p> Signup and view all the answers

<p>To fill small depressions in the flange faces</p> Signup and view all the answers

<p>To reduce the size of pipes</p> Signup and view all the answers

<p>They provide a stronger connection than flanged connections</p> Signup and view all the answers

<p>To cut pipes to the required length</p> Signup and view all the answers

<p>To connect pipes to costly materials such as stainless steel</p> Signup and view all the answers

<p>They require minimal maintenance and have a low likelihood of leaks</p> Signup and view all the answers

<p>To prevent leakage between the slip pipe and the joint body</p> Signup and view all the answers

<p>The pressure-temperature rating of the material</p> Signup and view all the answers

<p>They eliminate the possibility of leakage</p> Signup and view all the answers

<p>To ensure the component is used for the proper service</p> Signup and view all the answers

<p>They require specialized skills to install</p> Signup and view all the answers

<p>To prevent weld metal from protruding inside the pipe</p> Signup and view all the answers

<p>The expansion of piping due to heat</p> Signup and view all the answers

<p>To absorb a certain amount of endwise movement of the pipe</p> Signup and view all the answers

<p>It provides a more secure connection than butt-welding</p> Signup and view all the answers

<p>It represents the nominal inside diameter of the pipe up to NPS 12.</p> Signup and view all the answers

<p>They increase in ascending order of wall thickness.</p> Signup and view all the answers

<p>They are easier to assemble and disassemble.</p> Signup and view all the answers

<p>To connect two pieces of pipe of the same size in a straight line.</p> Signup and view all the answers

<p>The outside diameter remains constant regardless of the wall thickness.</p> Signup and view all the answers

<p>The Imperial System uses NPS numbers, while the metric system uses DN numbers.</p> Signup and view all the answers

<p>They do not exactly match the outside diameter of the pipe.</p> Signup and view all the answers

<p>To close off open pipe ends or fittings.</p> Signup and view all the answers

<p>The inside diameter decreases as the wall thickness increases.</p> Signup and view all the answers

<p>To provide an easy method for dismantling piping.</p> Signup and view all the answers