Master Plumber Practice Exam (Sanitation, Design & Installation)

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Master Plumber Practice Exam (Sanitation, Design & Installation) - Quiz

Master Plumbers are bound by a code of ethics, insured for six years, licensed and registered, highly trained, quality tradesman and backed by the industry. The highest level is the master plumber, which requires experience as a journeyman plumber. The quiz below covers sanitation, Design & Installation for that plumber exam. Give it a try.


Questions and Answers
  • 1. 
     A seepage is defined as a sewage terminal
    • A. 

      Receiving both liquid and solid waste

    • B. 

      Receiving only liquid waste

    • C. 

      Receiving only solid waste

    • D. 

      Receiving direct human excrement

  • 2. 
    Construction of septic tank should be located at a distance away from the pressure public main to prevent sanitation
    • A. 

      15.2 meters

    • B. 

      1.5 meters

    • C. 

      3 meters

    • D. 

      1 meter

  • 3. 
    Pour index horsepower is how many foot lbs per minutes
    • A. 

      30,000

    • B. 

      33,000

    • C. 

      33,333

    • D. 

      32,564

  • 4. 
    Bacteria which has no function in sewage treatment
    • A. 

      Non-aerobic bacteria

    • B. 

      Pathogenic bacteria

    • C. 

      Facultative bacteria

    • D. 

      Aerobic bacteria

  • 5. 
    What is the minimum pressure outlet to operate a flush valve in water closet and urinal?
    • A. 

      10 psi

    • B. 

      25 psi

    • C. 

      15 psi

    • D. 

      20 psi

  • 6. 
    The appropriate type of material for vent pipes in an acid waste system is,
    • A. 

      Malleable iron

    • B. 

      Galvanize iron

    • C. 

      DWV copper

    • D. 

      Plastic

  • 7. 
    Where is surface water for domestic use collected?
    • A. 

      Seas

    • B. 

      Streams

    • C. 

      Mountains

    • D. 

      Oceans

  • 8. 
    What is the least method to lay a PB or PE tube on trenches?
    • A. 

      Stretched

    • B. 

      Straight line

    • C. 

      On steel sleeves

    • D. 

      Snake line

  • 9. 
    What really seals a caulked joint?
    • A. 

      Epoxy

    • B. 

      Pig lead

    • C. 

      Cement

    • D. 

      Oakum

  • 10. 
    PE plastic tubing is a material used for water service connection. What is the meaning of PE?
    • A. 

      Plastic Expander

    • B. 

      Poly Enzyme

    • C. 

      Plastic Extrusion

    • D. 

      Poly Ethelene

  • 11. 
    What fitting is needed in a cleanout if the pipe is 6" diameter?
    • A. 

      Nipple

    • B. 

      Reducer

    • C. 

      Elbow

    • D. 

      Long sweep

  • 12. 
    What produces when magnesium salt is present in water?
    • A. 

      Mineral hardness

    • B. 

      Permanent hardness

    • C. 

      Total hardness

    • D. 

      Temporary hardness

  • 13. 
    What is the name of the process in which steel and wrought iron pipe rust? 
    • A. 

      Sand blast

    • B. 

      Electrolysis

    • C. 

      Tuberculation

    • D. 

      Percolation

  • 14. 
    Which of these stages is not one among cycle of water?
    • A. 

      Saturation

    • B. 

      Precipitation

    • C. 

      Evaporation

    • D. 

      Condensation

  • 15. 
    What is the minimum retention period of waste water in a septic tank which will settle and stabilize solids suspended in water?
    • A. 

      12 hrs

    • B. 

      48 hrs

    • C. 

      24 hrs

    • D. 

      30 hrs

  • 16. 
    What water is a portion of rainwater which percolate into the earth to form underground deposit?
    • A. 

      Dew

    • B. 

      Surface

    • C. 

      Spring surface

    • D. 

      Ground water

  • 17. 
    What should be done before working with lead that is wet?
    • A. 

      Pre-heat

    • B. 

      Use blower

    • C. 

      Wipe it

    • D. 

      Use drier

  • 18. 
    Water is many times heavier than air by?
    • A. 

      803

    • B. 

      830

    • C. 

      308

    • D. 

      300

  • 19. 
    When should pipe be reamed to remove burrs?
    • A. 

      After threading

    • B. 

      Before cutting

    • C. 

      Before threading

    • D. 

      After cutting

  • 20. 
    Iron in the form of ferrous bicarbonate can be removed from water by means of
    • A. 

      Aeration

    • B. 

      Limestone filtration

    • C. 

      Activated charcoal filtration

    • D. 

      Sedimentation

  • 21. 
    What kind of lubricant is use during operation for threading machine?
    • A. 

      Animal oil

    • B. 

      Vegetable oil

    • C. 

      Water soluble oil

    • D. 

      Engine oil

  • 22. 
    What should be used in supporting suspended horizontal single run plumbing pipe?
    • A. 

      Clevis hanger

    • B. 

      Clamp hanger

    • C. 

      Bracket hanger

    • D. 

      Trapege hanger

  • 23. 
    What is the partner of the gate valve in the g.i. pipe system of installation?
    • A. 

      Union patente

    • B. 

      Check valve

    • C. 

      Coupling

    • D. 

      Hub and spigot

  • 24. 
    What is the test used in determining if a newly installed water system is leak free?
    • A. 

      Pressure test

    • B. 

      Hydraulic test

    • C. 

      Hydrostatic test

    • D. 

      Leak test

  • 25. 
    One of the first steps in the selection of suitable water supply source is
    • A. 

      Water demand

    • B. 

      Budgetary cost

    • C. 

      Water potability

    • D. 

      Topography

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