Download Plumbing Tools and Techniques and more Exams Advanced Education in PDF only on Docsity!
Nicer Plumbing Level 1
The modern word for plumber is derived from the Latin word for - A person who works with lead LEED applies to all areas of the profession, except - Renovation Water that comes from laundry and bathtubs and reused in known as - Graywater Suggested national plumbing standards are called - Model codes You are offered a job by another contractor before you have fulfilled your current obligations. The professional response is to - 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 - Take responsibility for the work done under your supervision People who develop, design, manufacture, and test mechanical devices are called - Mechanical engineers Project managers are responsible for - Controlling the scope and direction of a plumbing business The minimum standards for training programs in the United States are set by - Office of Apprenticeship Participants in an NCCER training program receive all of the following except - 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 - United States Green Building Council
Which of the following does not cause backflow - Insufficient levels of water A student must complete_______hours of OJL per year, according to the office of Apprenticeship - 2000 ___________is the highest level of skill a craftsman can become in their craft profession - Master craftsman According to osha, a competent person is - A worker who can identify hazards and is authorized to take prompt corrective measures OHSA stands for - Occupational safety and health administration One simple way to help ensure a safe work site is to - 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 - 1 inch Air-purifying respirator cartridge absorbs certain toxic vapors from the through - Charcoal The highest level of respiratory protection is provided by - Self-contained breathing apparatus To obtain the best protection from a respirator, you must perform a positive and negative fit check - Every time you wear it The SDS is a fact sheet prepared by - The product's manufacturer or importer The most important things to look for on an SDS are the - Specific hazards, personal protection requirements, handling procedures,first-aid information, and the emergency-response telephone number Section 4 of an SDS - List first aid measures
A trench is a narrow excavation in which the depth is greater than the width and the width does not exceed - 15 feet To protect workers from the collapse of an excavation wall in an unshored excavation install a - Trench shield Lockout and tagout devices are used to - 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 - Speed square The proper function of a spirit level depends on - It's length A small level that is useful in confined areas or on short runs of pipe is called a - Torpedo leveled The level with a movable telescope to allow measurements in both the horizontal and vertical planes is called a - Transit level On a hacksaw, the more teeth per inch on a blade - The finer the cut and more debris do not use a hacksaw when you need a cut that is - Square To cut into a material using a chisel - 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 - Wood chisel A common result of hammering a cold chisel is - 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 - Tube cutter
The number of jaws that a bench vise has is - 2 To cut threads into galvanized and black-iron pipes, use - Dies To help turn a die tool by increasing the leverage on it use a - Ratchet stock The hammer has a flat face Adobe striking and round face for aligning brackets and driving out bolts is called the - Ball peen hammer Check extension cords for a - UL label indicating wattage Because of its brute power, a tool that is useful for demolition is a - 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 - 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 - Spade bit A type of bit that is used to bore large holes in wood is the - 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 - 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 - Center point The distance that a pipe screws into a threaded fitting is called the - Thread makeup The act of showing the accrual building, room, or object reduced in proportion from full size to a smaller size is called - Scaling the drawing
Which kind of fitting connects pipes or different sizes - Reducers During construction, plastic pipe should normally be stored outside under tarps in order to protect it from - Ultraviolet light When measuring plastic pipe before cutting you must take into account all of the following except - Pipe diameter Before assembling plastic pipe joints involving gaskets, such as ring-tight gasket fittings, you should - Bevel the spigot end of the pipe What is a major concern when joining PVC and CPVC pipe when working in hot temperatures - Cement drying Which is fathers following should you avoid when assembling bell-and-spigot plastic drain pipe? - 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 - Pex Solvent welding does t work for this material, so you must use heat fusion or mechanical joints and clamps when joining. - PE In general, PVC pipes should be supported at a maximum intervals of - 4 feet The most commonly used clamps used as vertical support for pipe and tubing are - 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 - After testing Plumbers commonly us PR as tub because of its - strength, flexibility, and chemical-resistance properties
Plumbers often use c-clamps to fasten pipe to - Metal structures PEX tubing resists high temperatures and chemicals, so it must be joined by - using a crimp ring system Reaming is a process after cutting pipe to remove - Burrs All of the following are common valves used for water supply system except - Butterfly valve Compared to other types of piping, copper tube and fittings are generally - More expensive Tubes that are measured in nominal or standard sizing have an OD that is - I/8" larger than nominal size Type K, L, M, and DWV copper tubing are measured using - Nominal sizing Type K copper tube is marked with the color code - Green The valve most often used for draining and freeze protection above ground is the - Compression, stop, and waste valve the type of cable also known as a ground key is the - Stop valve In order to prevent turbulence when more than one tee is installed in a line, a tube should have a minimum of - 30" of tube between tees If tee fittings are not properly installed, they can cause a condition known as - Bullheadibg To measure a tube that had a fitting on one end only, use a - End-to-face measurement The preferred tool for cutting tubing is a - Handheld cutter
Which off the listed fittings is permitted only in horizontal-flow to vertical-flow applications - Sanitary tee To connect a length of pipe to another of a different size, use an - Increaser When preparing for a cast-iron plumbing job you should - Organize pipe and fittings into groups by size and type When measuring the length of a long, straight run of cast-iron hub-and-spigot pipe, the total length of the pipe required is equal to the run - Measurements plus the insertion length times the number of laying length required When inserting the spigot end of cast-iron pipe into a hub, you should - Pull the pipe into the hub using a puller tool When using a torque wrench, do not tighten the clamps before ensuring the correct placement of the - Coupling Which of the following statements is true about the metals used for plumbing pipes? - Manganese is often added to a carbon steel during smelting to improve strength Proper storage and organization of plumbing materials at the work site significantly increase - Your Productivity Thread engagement refers to the - length of pipe that screws into a fitting The inside diameter ID of 2 inch, nominal, schedule 80 pipe compared to schedule 40 of the same pipe size is - Smaller Bundles of steel pipe are labeled with tags that identify - The ASTM A53 standard
Fittings with recessed threads that are used only on soil and waste piping systems are called - Drainage fittings Which of the listed fittings are used to close open-ended pipes - Caps A globe valve is most effective for which of the following purposes in a plumbing system? - Providing precise control of flow When measuring pipe, your pipe will be cut too short unless you take into account it's - Thread engagement When measuring pipe before cutting and threading it, which Method would be best when the pipe the pipe section has fittings threaded on both ends - Center-center Which of the following tools listed would be the best for turning a small-diameter black-iron pipe while threading it into a fitting - Chain wrench Which of the following statements about cutting threads on a pipe is not true - Frequently wipe off chips with your bare hands to check for smoothness of the cut. The first step in joining a threaded carbon steel water pipe to a fitting is - applying pipe- joint compound or tape When joining grooved pip, the plumber must - Make sure that no part of the gasket extends into the grooves A hanger that touches or connects directly to the pipe itself is called an - Attachment Securing a pipe directly to a concrete surface could invovle - Pipe clamps and powder-actuated ancht Among different manufacturers, the components of CSST systems are - Not interchangeable
When installing a food waste disposal in a double sink, to prevent back up in the other sink compartment during use, you must install an - Directional tee To prevent backup of sink waste into an under-counter dishwasher, codes may specify installing an - Air gap A sink-like plumbing fixture used by building maintenance personnel that is fitted with a drain connection and is installed on the floor is call an - Mop basin A plumbing fixtures that is coated with a vitreous China or other easy to clean finish and installed in the flor to drain water and liquid waste into a plumbing systems called a - Floor sink A rotating ball faucet typically uses an o-ring in place of a - Compression washer The type of faucet that uses a rotating cylinder and a balancing valve to control the water temperature and the rate of water flow is call a - Cartridge faucet The most common distance between hot and cold water supply connections to a kitchen sink faucet is - 8" A diverter is designed to - select water flow between a bathtub spout and shower head An important feature of frost-resistant wall hydrants is that - The valve seat is located inside the building An example of a fixture drain is a - Pop-up plug LEED standard for commercial and industrial applications encourage the development and use of - Graywater systems Which DWV component should be considered specifically for fast-food restraurant? - Interceptor
The size of the trap seal is the distance between the - Crown weir and the top dip The total drop from a trap's crown weir to the bottom of the traps connection to the vent must be - Less than one drain pipe diameter Trap siphonage occurs when - Vent pressure is less than air pressure at the fixture If a fixture outlet drain line is too long which ineffective can break a trap seal - Momentum The most common materials for DWV system are cast iron and - Plastic To maintain the water seal on a trap, every trap needs a - Vent The main difference between a vent elk and a drain bend is their - Turn radius If a drains grade does not remain constant what could be the result? - Solid wastes could accumulate in the pipe. A building's sewer cont begins - About 2' to 3' from the foundation Conventional private waste disposal systems include a - Septic tank and leach feild Common entry points in a DWV system for serious diseases are - Damaged or faulty vent and traps With regards to plumbing codes you will be required follow, they comply with the - Codes established and recognized by states, local, and applicable jurisdictions The drainpipe buried outside a building is called an as - Building sewer
A standard pressure-regulator valve senses - Both delivery and downstream pressures Which is the preferred method for reducing the potential for scalding accidents at sinks and showers? - Installing a tempering valve in the fixtures hot and cold water supplies A building's hot water heater will usually be located - As close as possible to the largest number of hot water fixtures The plumbed locations of the standard hot and cold water fixtures normally found in a building are determined by - The architect Which of the following statements is true when using larger piping when plumbing a buoldong - Largest hot-water piping wastes water Water hammer is mainly caused by - Quick closing vavles
