Master Plumber Terms With Complete Solutions

Abs correct answer: acrylonitrile butadiene styrene Alley correct answer: any public space, public park, or thiriughfare less than 3 meters but not less than 2 meters in width dedicated or deeded for public use Alter or alteration correct answer: any change, addition or modification in construction or occupancy Accessible correct answer: when applied to a fixture, connection, appliance or equipment, shall mean having access thereto, but which may require prior removal of an access panel, door or similar obstruction. "readily accessible" shall mean direct access without the necessity of removing any panel, door or similar obstruction. Airbreak correct answer: a physical separation, which may be a low inlet into the indrect waste receptor from the fixture appliance or device indrectly connected. Air gap, drainage correct answer: the unobstructed vertical distance through the free atmoshphere between the lowest opening from any pipe, plumbing fixture, appliance or appurtenance conveying waste to the flood level rim of the receptor. Air gap, water distribution correct answer: an unobstructed vertical distance through the free atmosphere between the lowest opening from any pipe or faucet conveying potable wate to the flood-level rim of any tank, vat or fixture. Approved correct answer: accepted or acceptable under an applicable specifications or standard stated or cited in this code, or accepted as suitable for any proposed use under procedures and powers of the administrative authority. Approved testing agency correct answer: an organiztion primarily established for purposes of testing to approved standards and approved by the administrative authority. Administrative authority correct answer: the administrative authority including the building official, the commission, the board and such other department or agency established and authorized to administer and enforce the provisions Backflow correct answer: the flow of water or other liquids, mixtures or substances into the distributing pipes of a potable supply of water from any source other than from its intended source Backflow connection correct answer: condition or any arrangement whereby reverse flow can occur Backpressure backflow correct answer: occurs due to an increased reverse pressure above the supply pressure. This may be due to pumps, boilers, gravity or other sources of pressure. Backflow preventer correct answer: device or means to prevent flow of liquid from returning to the source of supply. Also called vacuum breaker. Back-siphonage correct answer: the flowing back of used, contaminated or polluted water from a plumbing fixture or vessel into a water supply pipe due to a negative pressure in such pipe Backwater valve correct answer: a device installed in a drainage system to prevent reverse flow Backvent pipe correct answer: the part of a vent line, which connects directly with an individual trap underneath or behind the fixture and extends to the branch or main vent pipe at any point higher than the fixture or fixture traps it serves. This is sometimes called an individual vent Ball cock correct answer: a valved opened and closed by the fall and rise respectively of an attached ball floating on the surface of the liquid Bathroom correct answer: a room equipped with a shower stall or bathtub Batter of fixtures correct answer: any of two or more similar adjacent fixtures which discharge into a common horizontal soil or waste branch Bell or hub correct answer: that portion of a pipe which for a short distance is sufficiently enlarged to receive the end of