TEXAS MASTER PLUMBING EXAM ALL 500 QUESTIONS AND CORRECT ANSWERS LATEST UPDATE THIS YEAR

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TEXAS MASTER PLUMBING EXAM ALL 500
QUESTIONS AND CORRECT ANSWERS LATEST
UPDATE THIS YEAR
QUESTION: The _________________________ is the pipe which carries potable water from a

water meter to a building. - ANSWER-building supply




QUESTION: Backflow is defined as - ANSWER-non-potable water or other liquids entering a

potable water system




QUESTION: Any group of two or more similar adjacent fixtures that discharge into a common

horizontal waste branch is defined as a - ANSWER-battery




QUESTION: Which of the following connects one or more individual vents to a vent stack? -

ANSWER-Branch vent




QUESTION: A combination waste and vent system may be installed on a

_______________________ piping system. - ANSWER-horizontal




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QUESTION: The minimum level at which a vacuum breaker may be installed above the flood

level rim of the device and service is called - ANSWER-the critical level




QUESTION: The "the critical level" is shown on a backflow prevention device by a

_______________ marking. - ANSWER-C-L or C/L




QUESTION: When a backflow prevention device does not bear a "critical level" marking, which

part of the device constitutes the critical level? - ANSWER-Bottom




QUESTION: What is the Critical Level on a backflow device? - ANSWER-Bottom




QUESTION: According to the Uniform Plumbing Code, a "cross connection" is defined as -

ANSWER-a connection through which non-potable water may enter a potable water system.




QUESTION: What is the name for the measurement taken along the centerline of a pipe and

fittings? - ANSWER-Developed length




QUESTION: "Existing work" is defined to be a plumbing system or any part thereof which -

ANSWER-has been installed prior to the effective date of the code.



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QUESTION: A pipe which makes an angle of not more than 45 degrees with the horizontal is

considered - ANSWER-horizontal




QUESTION: 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. - ANSWER-45




QUESTION: What statement is true about industrial waste? - ANSWER-It is free of fecal matter.




QUESTION: The "invert" elevation of a sewer line is the ____________________ of the pipe. -

ANSWER-inside bottom




Q; What degree is used for isometric drawings? - ANSWER-60 degrees




QUESTION: What is the recommended minimum of minutes for chlorine water management? -

ANSWER-20-30 minutes




QUESTION: When you need to repair a single handle lavatory faucet, what needs to be

replaced? - ANSWER-O ring


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QUESTION: Galvanic corrosion of water supply piping can occur where - ANSWER-steel pipe is

joined to a dissimilar metal pipe




QUESTION: Whenever necessary to make an inspection to enforce any of the provisions of the

Code, an authorized representative may enter the premises - ANSWER-at all reasonable times




QUESTION: After completion of work and testing of sewer pipeline, who shall request

inspection? - ANSWER-Supervisor of job at job-site




QUESTION: 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? - ANSWER-Contractor




QUESTION: When plumbing work is inspected and a "notice of correction" is served, how many

days does the contractor have to correct the work? - ANSWER-Within 10 days




QUESTION: 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? - ANSWER-

Airgap, drainage



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