In the State of Mississippi, plumber licenses are required for residential plumbers who perform over $10,000 of plumbing work. Commercial plumbers must be licensed if they perform over $50,000 of plumbing work. All plumbers are required to apply for the proper permits for each job. The Mississippi State Board of Contractors acts as the contractor licensing authority. We create these self-practice test questions module referencing the concepts and principles currently valid in the exam. Each question comes with an answer and a short explanation which aids you in seeking further study information. For purpose of exam readiness drilling, this product includes questions that have varying numbers of choices. Some have 2 while some have 5 or 6. We want to make sure these questions are tough enough to really test your readiness and draw your focus to the weak areas. Think of these as challenges presented to you so to assess your comprehension of the subject matters. The goal is to reinforce learning, to validate successful transference of knowledge and to identify areas of weakness that require remediation. The questions are NOT designed to "simulate" actual exam questions. "realistic" or actual questions that are for cheating purpose are not available in any of our products.