Journeyman and Master Plumbing Exam Question Bank Exam Questions and Answers 100% Solved

Journeyman and Master Plumbing Exam Question Bank Exam Questions and Answers 100% Solved What degree is used for isometric drawings? - answer60 degrees What is the recommended minimum of minutes for chlorine water management? - answer20-30 minutes When you need to repair a single handle lavatory faucet, what needs to be replaced? - answerO ring Galvanic corrosion of water supply piping can occur where - answersteel pipe is joined to a dissimilar metal pipe Whenever necessary to make an inspection to enforce any of the provisions of the Code, an authorized representative may enter the premises - answerat all reasonable times After completion of work and testing of sewer pipeline, who shall request inspection? - answerSupervisor of job at job-site If the Administrative Authority requests that a new type of material be used on a project, who pays for the testing of the new material? - answerContractor When plumbing work is inspected and a "notice of correction" is served, how many days does the contractor have to correct the work? - answerWithin 10 days What is the vertical distance called that is between the lowest opening of a pipe fixture or appurtenance that is discharging waste to the overflow level of a fixture? - answerAirgap, drainage A cleanout which has direct access without the necessity of removing any panel or door is defined to be - answerreadily accessible Distribution of water from any other source than intended is - answerbackflow Back-siphonage is defined as - answerthe 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 The _________________________ is the pipe which carries potable water from a water meter to a building. - answerbuilding supply Backflow is defined as - answernon-potable water or other liquids entering a potable water system Any group of two or more similar adjacent fixtures that discharge into a common horizontal waste branch is defined as a - answerbattery Which of the following connects one or more individual vents to a vent stack? - answerBranch vent A combination waste and vent system may be installed on a _______________________ piping system. - answerhorizontal The minimum level at which a vacuum breaker may be installed above the flood level rim of the device and service is called - answerthe critical level The "the critical level" is shown on a backflow prevention device by a _______________ marking. - answerC-L or C/L When a backflow prevention device does not bear a "critical level" marking, which part of the device constitutes the critical level? - answerBottom What is the Critical Level on a backflow device? - answerBottom According to the Uniform Plumbing Code, a "cross connection" is defined as - answera connection through which non-potable water may enter a potable water system. What is the name for the measurement taken along the centerline of a pipe and fittings? - answerDeveloped length "Existing work" is defined to be a plumbing system or any part thereof which - answerhas been installed prior to the effective date of the code. A pipe which makes an angle of not more than 45 degrees with the horizontal is considered - answerhorizontal A horizontal pipe is any pipe or fitting which is installed in a horizontal position or which makes an angle of less than _________ degrees with the horizontal. - answer45 What statement is true about industrial waste? - answerIt is free of fecal matter. The "invert" elevation of a sewer line is the ____________________ of the pipe. - answerinside bottom Water which is satisfactory for drinking, culinary and domestic purposes and meets the requirements of the health authority having jurisdiction is defined as _____________________ water. - answerpotable Refer to the illustration above. This is a multi-story installation. There is a sink draining into the pipe above "A". What is the name for the pipe at "A"? - answersoil stack With an on-demand water heater, no relief is required if the maximum inside heater is - answer3 " Any liquid waste containing animal or vegetable matter is called - answersewage That portion of the drainage system composed of the pipe from the fixture trap to the vent serving that fixture is the _________________________. - answertrap arm Refer to the illustration above. The trap seal in the illustration above is indicated by dimension - answerB Refer to the same illustration. The trap seal is the distance from the crown weir (bottom of outlet) to the upper dip and shall not be less than 2 inches nor greater than _______ inches. - answer4 A trap arm is that portion of a fixture drain between the trap and the _________________________________. - answervent which serves it The trap seal is indicated by _______________________________. - answercrown weir to upper dip A vent connecting a soil waste stack to a vent stack to prevent pressure changes. - answeryoke vent When preparing to ream a pipe, what should be done first? - answerRemove all chips Where can you use a double hub cross sanitary tee? - answerhorizontal to vertical What type of pipe should never be threaded? - answerCast iron Enlargement of a 3" closet bend, or stub, to 4" is - answerpermitted by this Code True/False: A closet bend may be connected to a pipe which is the same size or larger. - answerTrue Refer to the illustration above. A trench runs parallel to the rooting of the building and is deeper than the footing. What minimum angle is permitted at "A"? - answer45 degrees