Rhode Island Journeyman Plumber Practice Exam

Disable ads (and more) with a membership for a one time $2.99 payment

Study for the Rhode Island Journeyman Plumber Exam. Prepare with flashcards and multiple choice questions, each with hints and explanations. Achieve success in your plumbing career!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

When pouring molten lead, what is the maximum depth it should be poured in one operation?

0.1 inches
0.125 inches
0.15 inches
0.2 inches

The correct answer is: 0.125 inches

Pouring molten lead requires careful consideration of temperature control and the physical properties of the material. The maximum depth recommended for pouring in one operation is 0.125 inches. This limit helps to ensure proper solidification and minimizes the risk of defects such as porosity or incomplete filling of molds. Pouring deeper than this can lead to issues with heat distribution, potentially causing the outer layer to cool and solidify before the inner sections, resulting in poor structural integrity. Additionally, keeping the depth to 0.125 inches promotes better management of the molten lead’s temperature and helps prevent the generation of fumes or off-gassing that can occur if the lead is poured too deeply. Setting this specific limit also aligns with safety practices in the handling of molten metals, ensuring that the process remains controllable and less hazardous to the operator.