Nccer Plumbing Level 1 Exam Questions with 100% correct Answers

The modern word for plumber is derived from the Latin word for - ANSWER-A person who works with lead LEED applies to all areas of the profession, except - ANSWER-Renovation Water that comes from laundry and bathtubs and reused in known as - ANSWER-Graywater Suggested national plumbing standards are called - ANSWER-Model codes You are offered a job by another contractor before you have fulfilled your current obligations. The professional response is to - ANSWER-Ask the contractor to wait until you have met your obligations Your supervisor points out that you forgot to complete a step in the assembly of a drain in a DWV system. One of the apprentices that you are supervising was a he person installing the drain. The responsible action is to - ANSWER-Take responsibility for the work done under your supervision People who develop, design, manufacture, and test mechanical devices are called - ANSWER-Mechanical engineers Project managers are responsible for - ANSWER-Controlling the scope and direction of a plumbing business The minimum standards for training programs in the United States are set by - ANSWER-Office of Apprenticeship Participants in an NCCER training program receive all of the following except - ANSWER-Certification as a master plumber The non-profit_____________developed a system in 2000 they will certify a building as "green" meaning it is energy efficient - ANSWER-United States Green Building Council Which of the following does not cause backflow - ANSWER-Insufficient levels of water A student must complete_______hours of OJL per year, according to the office of Apprenticeship - ANSWER-2000 ___________is the highest level of skill a craftsman can become in their craft profession - ANSWER-Master craftsman According to osha, a competent person is - ANSWER-A worker who can identify hazards and is authorized to take prompt corrective measures OHSA stands for - ANSWER-Occupational safety and health administration One simple way to help ensure a safe work site is to - ANSWER-Check the job site periodically and remove any clutter When you wear a hard hat, the space between your head and the shell of the hard hat should be - ANSWER-1 inch Air-purifying respirator cartridge absorbs certain toxic vapors from the through - ANSWER-Charcoal The highest level of respiratory protection is provided by - ANSWER-Self-contained breathing apparatus To obtain the best protection from a respirator, you must perform a positive and negative fit check - ANSWER-Every time you wear it The SDS is a fact sheet prepared by - ANSWER-The product's manufacturer or importer The most important things to look for on an SDS are the - ANSWER-Specific hazards, personal protection requirements, handling procedures,first-aid information, and the emergency-response telephone number Section 4 of an SDS - ANSWER-List first aid measures If your supervisor tells you to evacuate the worksite, you should - ANSWER-Go to a safe location and wait until you are notified that conditions are safe The sign or tag that is used to tell workers about potential hazards or unsafe practices is a - ANSWER-Caution sign The sign or tag that is used to tell workers about general information not related to safety is an - ANSWER-Informational sign The sign or tag that is used for general instructions and suggestions related to safety measures is a - ANSWER-Safety instruction sign The two types of protection for opening in walls, floors, or the ground are - ANSWER-Guards and covers The precent of all accidental deaths in the construction industry caused by slips, trips, and falls is - ANSWER-15% When job site surfaces are wet or icy, you should - ANSWER-Wear shoes with cleats Walking and working surfaces that are located above ground and sometimes over large equipment are called - ANSWER-Platforms To remove tools from scaffolding, it is best to - ANSWER-Lower them to the ground using a rope When working on a roof, it is necessary to - ANSWER-Periodically sweep the roof to remove dirt and debris Chisels,wedges, and punches are designed to be used with a - ANSWER-Hammer When inspecting an impact tool, an indication that the tool may be dangerous is - ANSWER-A mushroomed head A trench is a narrow excavation in which the depth is greater than the width and the width does not exceed - ANSWER-15 feet To protect workers from the collapse of an excavation wall in an unshored excavation install a - ANSWER-Trench shield Lockout and tagout devices are used to - ANSWER-Protect workers from all possible sources of energy A square that includes a try miter, protractor, and framing square in one tool is called a - ANSWER-Speed square The proper function of a spirit level depends on - ANSWER-It's length A small level that is useful in confined areas or on short runs of pipe is called a - ANSWER-Torpedo leveled The level with a movable telescope to allow measurements in both the horizontal and vertical planes is called a - ANSWER-Transit level On a hacksaw, the more teeth per inch on a blade - ANSWER-The finer the cut and more debris do not use a hacksaw when you need a cut that is - ANSWER-Square To cut into a material using a chisel - ANSWER-Strike the top of the handle with a hammer The tool on which the blade should be beveled at a precise 25° angle is the - ANSWER-Wood chisel A common result of hammering a cold chisel is - ANSWER-Mushrooming A type of cutter used for cutting small-diameter l, soft material such as copper, brass, and aluminum tubing or thin-wall conduit is - ANSWER-Tube cutter The number of jaws that a bench vise has is - ANSWER-2 To cut threads into galvanized and black-iron pipes, use - ANSWER-Dies To help turn a die tool by increasing the leverage on it use a - ANSWER-Ratchet stock The hammer has a flat face Adobe striking and round face for aligning brackets and driving out bolts is called the - ANSWER-Ball peen hammer Check extension cords for a - ANSWER-UL label indicating wattage Because of its brute power, a tool that is useful for demolition is a - ANSWER-Reciprocating saw A type of drill that is useful because it works on some materials that are drill best at high speeds and others at lower speeds is the - ANSWER-Variable speed drill The type of bit that works best for cutting wood and some plastics, but which should not be used to cut metal is the - ANSWER-Spade bit A type of bit that is used to bore large holes in wood is the - ANSWER-Three tooth bites A type of bit that will bore holes in wood quickly and is good for drilling through floor joists and wall studs, and for drilling in hard to reach areas is the - ANSWER-Self-feeding bit The extension of the center line of the pip and the center line of the fitting intersect inside the fitting to create a - ANSWER-Center point The distance that a pipe screws into a threaded fitting is called the - ANSWER-Thread makeup The act of showing the accrual building, room, or object reduced in proportion from full size to a smaller size is called - ANSWER-Scaling the drawing To establish the limits of a measurements on a drawing, use - ANSWER-Extension lines To check for certain practices that must be used in installing and testing a plumbing system, a plumber refers to the - ANSWER-Specifications Plot plans usually show - ANSWER-Utility easements To identify where floor drains and DWVpipes may be installed beneath the basement floor, refer to the - ANSWER-Foundation plan The layout of rooms in a building is shown on the - ANSWER-Floor plan vertical and horizontal piping along with sizes and a riser number that refers back to the full set of plumbing drawings are shown on - ANSWER-Riser diagrams Drawings that can be used to determine such factors as overall dimensions, actual inside dimensions, fitting depth, and laying length of the fittings are known as - ANSWER-Catalog drawings Drawings of products that provide enough detail to show how the product is constructed are called - ANSWER-Cutaway drawing ABS pipe absorbs heat - ANSWER-Slowly Which of the following system conditions does CPVC pipe have more resistance compared to copper pipe - ANSWER-Water hammer An example of thermosetting plastic is - ANSWER-PE SDR is a fixed ratio between outside diameter and - ANSWER-Wall thickness Which kind of fitting connects pipes or different sizes - ANSWER-Reducers During construction, plastic pipe should normally be stored outside under tarps in order to protect it from - ANSWER-Ultraviolet light When measuring plastic pipe before cutting you must take into account all of the following except - ANSWER-Pipe diameter Before assembling plastic pipe joints involving gaskets, such as ring-tight gasket fittings, you should - ANSWER-Bevel the spigot end of the pipe What is a major concern when joining PVC and CPVC pipe when working in hot temperatures - ANSWER-Cement drying Which is fathers following should you avoid when assembling bell-and-spigot plastic drain pipe? - ANSWER-Stabbing or swing pipe sections together Because it high temperature and chemicals, you cannot use solvent cement or heat fusion when joining pipe made from - ANSWER-Pex Solvent welding does t work for this material, so you must use heat fusion or mechanical joints and clamps when joining. - ANSWER-PE In general, PVC pipes should be supported at a maximum intervals of - ANSWER-4 feet The most commonly used clamps used as vertical support for pipe and tubing are - ANSWER-Pipe riser clamp To avoid possible damage to the pipes from freezing during sub freezing temperatures, water should be blown out of the pipe lines - ANSWER-After testing Plumbers commonly us PR as tub because of its - ANSWER-strength, flexibility, and chemical-resistance properties Plumbers often use c-clamps to fasten pipe to - ANSWER-Metal structures PEX tubing resists high temperatures and chemicals, so it must be joined by - ANSWER-using a crimp ring system Reaming is a process after cutting pipe to remove - ANSWER-Burrs All of the following are common valves used for water supply system except - ANSWER-Butterfly valve Compared to other types of piping, copper tube and fittings are generally - ANSWER-More expensive Tubes that are measured in nominal or standard sizing have an OD that is - ANSWER-I/8" larger than nominal size Type K, L, M, and DWV copper tubing are measured using - ANSWER-Nominal sizing Type K copper tube is marked with the color code - ANSWER-Green The valve most often used for draining and freeze protection above ground is the - ANSWER-Compression, stop, and waste valve the type of cable also known as a ground key is the - ANSWER-Stop valve In order to prevent turbulence when more than one tee is in