Ultimate Plumbing Exam Quiz!

114 Questions | Total Attempts: 380

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Plumbing Quizzes & Trivia

Questions and Answers
  • 1. 
    What pipe idicated in the plumbing plan with a solid line?  
    • A. 

      Drain

    • B. 

      Hot water reciculating

    • C. 

      Vacuum

    • D. 

      Fire protection

  • 2. 
    On what point of the pipe cross-section is the pipes elevetion referred to?   *
    • A. 

      Top of pipe

    • B. 

      Center of pipe

    • C. 

      Invert

    • D. 

      Bottom pipe

  • 3. 
    According to the international Plumbing Code, above what temperature can you consider water as hot water? *       
    • A. 

      60 deg C

    • B. 

      120 deg F

    • C. 

      Above room temperature

    • D. 

      212 deg F

  • 4. 
    At what angle do vent stacks attach to horizontal vent pipes?      
    • A. 

      90 degrees

    • B. 

      45 degrees

    • C. 

      22-1/2 degrees

    • D. 

      60 degrees

  • 5. 
    What pipe is indicated in the plumbing plan having a series of dashes with letter V separating the dashes?           
    • A. 

      Vacant

    • B. 

      Vent

    • C. 

      Vinyl

    • D. 

      Vacuum

  • 6. 
    Which of the following is NOT among the basic angles necessary to express the sanitary planning system in an isometric drawing?     *      
    • A. 

      Horizontal pipe

    • B. 

      Sixty degree angle pipe

    • C. 

      Vertical pipe

    • D. 

      Forty-five degree angle pipe

  • 7. 
    What do lines on isometric drawing represent? *  
    • A. 

      Valves and vents

    • B. 

      Pipe and fittings

    • C. 

      Pipe and fixtures

    • D. 

      Fixtures ang fittings

  • 8. 
    What is the term given to the letter/number designation assigned to each type of fixture? *      
    • A. 

      Fixture schedule

    • B. 

      Item number/letter

    • C. 

      Fixture label

    • D. 

      Fixture ID

  • 9. 
    What pipe is represented on drawing with alternating long and short dashes?     *  
    • A. 

      Drain pipe

    • B. 

      Hot water pipe

    • C. 

      Cold water pipe

    • D. 

      Vent pipe

  • 10. 
    What thin line in the plan determine the depth requirments of sewers and water services? *       
    • A. 

      Cross-hatch

    • B. 

      Contour

    • C. 

      Broken

    • D. 

      Phantom

  • 11. 
    Why is it that the house sewer is usually the first phase of the plumbing layout that must be installed? *  
    • A. 

      As basis of the basement elevation and plot plan of the building

    • B. 

      Excavation of the building may be drained during inclement weather

    • C. 

      To serve as a starting point for the house drain

    • D. 

      To be the reference point of the building elevations

  • 12. 
    What do you call the lines that are made of short and thick dashes and are used to show the location of recessed objects in the plan?  
    • A. 

      Invisible

    • B. 

      Cutting plane

    • C. 

      Recessed

    • D. 

      Hidden

  • 13. 
    What plan are useful in planning the installation of sewers, water services, building drains, and hose bibs? *     
    • A. 

      Site palns

    • B. 

      Floor plans

    • C. 

      Contour plans

    • D. 

      Cross-section plans

  • 14. 
    Identify the equipment in No. 42 of the Wet Standpipe Schemetic Riser Diagram in Drawing 3.    *  
    • A. 

      Fire Extinguisher

    • B. 

      Fire pull box

    • C. 

      Fire hose cabinet

    • D. 

      Fire enunciator

  • 15. 
    If one of the two weights associated with cast-iron is service weight, what is the other weight?    
    • A. 

      Extra heavy weight

    • B. 

      Double extra service weight

    • C. 

      Light weight

    • D. 

      Light weight

  • 16. 
    What kind of pipe is generally designed for underground gas distribution and for other underground services? *  
    • A. 

      Wrought iron pipe

    • B. 

      Plastic coated steel pipe

    • C. 

      Terra-cotta pipe

    • D. 

      Tin pipe

  • 17. 
    What is the function of by pass valve?    
    • A. 

      To control the flow of water

    • B. 

      To act as relief valve in case of failure of the other valves

    • C. 

      To equalize the pressure and temperature on both sides of the main valve

    • D. 

      To act as balancing valve

  • 18. 
    What common support is used to keep vertical pipe in alignment?    
    • A. 

      Vent piping

    • B. 

      Vertical

    • C. 

      Horizontal

    • D. 

      Waste piping

  • 19. 
    Which fitting is NOT necessary in the installation of the house service? *  
    • A. 

      Corporation stop

    • B. 

      Meter stop

    • C. 

      Curb stop

    • D. 

      Water mater

  • 20. 
    On a sanitary waste line, what is located is located in an accessible area and attaches to the end of the waste pipe in the direction opposite of flow? *  
    • A. 

      Clean out

    • B. 

      Sewer pipe

    • C. 

      Vent pipe

    • D. 

      Floor drain

  • 21. 
    What vents are pipes that serve as the drain of one fixture while venting another fixture?  
    • A. 

      Stack vents

    • B. 

      Wet vents

    • C. 

      Relief vents

    • D. 

      Relief vents

  • 22. 
    What do you call the primary vent in a venting system to which various vent in a venting system to which various vent branches are connected? *
    • A. 

      Main vent

    • B. 

      Yoke vent

    • C. 

      Vent Stack

    • D. 

      Stack vent

  • 23. 
    What part of a pipe curves like the neck of a goose, and is flexible?       *  
    • A. 

      E-curve

    • B. 

      Snake

    • C. 

      Goose neck

    • D. 

      Auger

  • 24. 
    Copper has several alloys such as brass that are used as a plumbing materials. What is the principal alloy found in brass? *         
    • A. 

      Aluminum

    • B. 

      Zinc

    • C. 

      Nickel

    • D. 

      Tin

  • 25. 
    What type of a joint is a compression coupling? *
    • A. 

      Mechanical

    • B. 

      Threaded

    • C. 

      Illegal

    • D. 

      Screw