Master Plumber Pre-board Exam Practice Test

100 Questions | Total Attempts: 7925

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Master Plumber Pre-board Exam Practice Test

Pre-Board examinations fall during this time. And as the name suggests, these exams are prelims conducted before Board examinations. They usually take place immediately after the winter vacations when the syllabus is complete. Test your preparation for that master Plumber Pre-board exam using the quiz below. Best of luck!


Questions and Answers
  • 1. 
    What kind of internally threaded galvanized fitting is used to close the end of an externally threaded pipe?
    • A. 

      Cap

    • B. 

      Plug

    • C. 

      Bushing

    • D. 

      Flange

  • 2. 
    In water supply system, it is the first section of water supply piping in a building after the water meter.
    • A. 

      Water main

    • B. 

      Water distributing pipe

    • C. 

      Building supply pipe

    • D. 

      Water service pipe

  • 3. 
    A device used in conjunction with a fixture such as water closet and urinal which discharges a pre-determined quantity of water for flushing purposes. This device is actuated by direct water pressure from branch pipes.
    • A. 

      Vacuum breaker

    • B. 

      Flushometer valve

    • C. 

      Fixture trim

    • D. 

      Flush valve

  • 4. 
    A word that is synonymous with hub; it is the enlarged end portion of a pipe into which another pipe of the same or different size may be inserted into.
    • A. 

      Spigot

    • B. 

      Bell

    • C. 

      Body

    • D. 

      Flange

  • 5. 
    A vertical pipe that collects sewage from fixtures such as water closet, urinal, was basin, floor drain, etc. via horizontal branches
    • A. 

      Waste stack

    • B. 

      Vent stack

    • C. 

      Soil branch

    • D. 

      Soil and waste stack

  • 6. 
    Which of the following plumbing system items is considered a plumbing appurtenance?
    • A. 

      Vacuum breaker

    • B. 

      Tap

    • C. 

      Water closet

    • D. 

      Swimming pool

  • 7. 
    Which type of venting system is used to provide ventilation to two (2) fixture traps usually placed side-by-side or back to back?
    • A. 

      Individual vent

    • B. 

      Common vent

    • C. 

      Circuit vent

    • D. 

      Loop vent

  • 8. 
    The following are examples of plumbing fixtures EXCEPT _____________
    • A. 

      Urinal

    • B. 

      Bidet

    • C. 

      Trap

    • D. 

      Floor drain

  • 9. 
    A kind of trap seal loss resulting from change in temperature. It usually happens when fixture is not always used.
    • A. 

      Backpressure

    • B. 

      Evaporation

    • C. 

      Siphonage

    • D. 

      Capillary action

  • 10. 
    A kind of faucet with external threads provided at its outlet to which a hose may be attached.
    • A. 

      Hose bibb

    • B. 

      Ball valve

    • C. 

      Compression faucet

    • D. 

      Self closing faucet

  • 11. 
    What type of ventilation system is used in fixtures such as sinks that are located away from walls and partitions?
    • A. 

      Unit vent

    • B. 

      Back vent

    • C. 

      Ejector vent

    • D. 

      Looped vent

  • 12. 
    Which of the following conditions qualifies the term "battery of fixtures"?
    • A. 

      Fixtures of similar type and class such as a group of water closets, lavatories, urinals, etc.

    • B. 

      Two or more fixtures connected to a common branch

    • C. 

      Fixtures that are adjacent to each other

    • D. 

      All of these

  • 13. 
    Where may be a cleanout be omitted?
    • A. 

      At the upper end of every horizontal soil or waste branch

    • B. 

      At the base of stack

    • C. 

      At 1.5 m from a fixture

    • D. 

      At 15 meters or less length of horizontal run of waste and soil pipe

  • 14. 
    It refers to the continuous exchange of water within the hydrosphere, between the atmosphere, ground surface, underground and water surface.
    • A. 

      Ecological cycle

    • B. 

      Atmospheric cycle

    • C. 

      Hydrological cycle

    • D. 

      Meteorological cycle

  • 15. 
    The process of removing suspended matter in  water along with some discoloration using hydrate sulfate commonly called alum to form a gelatinous substance; the process is also known as flocculation
    • A. 

      Filtration

    • B. 

      Aeration

    • C. 

      Ultraviolet radiation

    • D. 

      Coagulation

  • 16. 
    What is the most common type of water distribution system which depends on the pressure from the water main
    • A. 

      Direct (pressure) system

    • B. 

      Hydropneumatic system

    • C. 

      Upfeed and gravity distribution system

    • D. 

      Upfeed (pump)system

  • 17. 
    A water treatment process whereby salt content in water is removed thereby rendering water potable. The process is done by heating seawater then pumping water into low pressure vessels where water is partially vaporized. Water vapor is then condensed and turned into potable water.
    • A. 

      Desalting

    • B. 

      Evaporation

    • C. 

      Condensation

    • D. 

      Desalination

  • 18. 
    In the coliform group of bacteria, e. coli is present in fecal matter as well those birds and other animals. What is 'e' in the abbreviation e.coli?
    • A. 

      Entamoeba

    • B. 

      Escherichia

    • C. 

      Excreta

    • D. 

      Enzyme

  • 19. 
    A vertical length of soil or waste stack at least eight feet in height (a storey height) , within which the horizontal branches from one storey or floor of the building or structure are connected to the stack.
    • A. 

      Fixture branch

    • B. 

      Branch drain

    • C. 

      Branch pipe

    • D. 

      Branch interval

  • 20. 
    That part of the drainage system that extends from the end of the building drain and conveys its discharge to the public sewer, private sewer, individual sewage disposal system, or other appropriate point disposal
    • A. 

      Building sewer

    • B. 

      Building drain

    • C. 

      Building storm drain

    • D. 

      Building sewage pipe

  • 21. 
    What property of water is characterized by its ability to stick and pull itself together. It can be demonstrated on a dripping tap where water cling to its orifice and forms tiny globules that stretches before it fall.
    • A. 

      Capillary action

    • B. 

      Dissolving ability of water

    • C. 

      Absorption

    • D. 

      Surface tension

  • 22. 
    Wastewater which comes from discharge of laundry trays, lavatories, bathtubs, etc.
    • A. 

      Black water

    • B. 

      Grey water

    • C. 

      Contaminated water

    • D. 

      Hard water

  • 23. 
    Where do you install a flushometer valve?
    • A. 

      Urinal

    • B. 

      Bathtub

    • C. 

      Lavatory

    • D. 

      Bidet

  • 24. 
    In a building, it consists of water service pipe, building supply pipes and the essential branch pipes, valves and all other appurtenances for the supply of water.
    • A. 

      Water and waste service system

    • B. 

      Water pipeline system

    • C. 

      Water supply and distribution system

    • D. 

      Building water service and sewage piping system

  • 25. 
    Any pipe which conveys the discharge of water closet, urinals or fixtures having similar function, with or without the discharge from other fixtures to the building drain or building sewer.
    • A. 

      Soil pipe

    • B. 

      Waste pipe

    • C. 

      Building drain

    • D. 

      Building sewer

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