Meno

125 Questions | Total Attempts: 1485

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Measurement Quizzes & Trivia

Questions and Answers
  • 1. 
    A run of a screw pipe is being installed in the field. What should be done before inserting a threaded pipe in a fitting ?
    • A. 

      Cut threads deeper

    • B. 

      Apply anti-seize

    • C. 

      Apply a thin coat of oil

    • D. 

      Apply pipe dope

  • 2. 
    Why are regular orfice flanges installed in a pipe ?
    • A. 

      To reduce the pressure on the control valve

    • B. 

      To provide taps for instrumentation

    • C. 

      To increase the flow of product through a section of pipe

    • D. 

      To provide quick installation for a gate and globe valves

  • 3. 
    During hydro testing , gate valves within a piping system are normally ?
    • A. 

      Opened half way

    • B. 

      Used to control the amount of pressure on the pipe

    • C. 

      Used to ensure the water pressure is within specification tolerance

    • D. 

      Blocked open

  • 4. 
    For personal protection , insulation install on pipes that are hotter than 110% F must be at least ?
    • A. 

      7 ft

    • B. 

      6 ft

    • C. 

      5 ft

    • D. 

      4 ft

  • 5. 
    A pre-hydro testing checklist will contain all of the following requirements EXEPT ?
    • A. 

      All valves and blinds are installed properly

    • B. 

      Piping system matches ISOs orthographics and P&IDs

    • C. 

      There is air vent at the high point in the system

    • D. 

      All welds are insulated an jacketed

  • 6. 
    On a horizontal run, what type of support is attached vertically from above the pipe ?
    • A. 

      Slide

    • B. 

      Hanger

    • C. 

      Structural

    • D. 

      Base

  • 7. 
    What should be worn when cutting with an oxy-acetylene rig ?
    • A. 

      Low-top shoes

    • B. 

      Short-sleeved shirt

    • C. 

      Cotton clothing

    • D. 

      Three. Cuffed trousers

  • 8. 
    The standard identification color for piping used in fire protection, Materials and equipment is:
    • A. 

      Blue

    • B. 

      Green

    • C. 

      Yellow

    • D. 

      Red

  • 9. 
    If the centerline elevation of a 4-inch diameter schedule 40 pipe is 11 feet 7 inches, what is the bottom pipe elevation?
    • A. 

      11 feet 4 1/2 inches.

    • B. 

      11 feet 4 3/4 inches.

    • C. 

      11 feet 6 1/4 inches.

    • D. 

      11 feet 6 3/4 inches.

  • 10. 
    In an excavation 6' deep in type C soil, what is the angle required for sloping the banks?
    • A. 

      1/2 to 1 foot

    • B. 

      3/4 to 1 foot

    • C. 

      1 to 1 foot

    • D. 

      1 1/2 to 1 foot

  • 11. 
    What is the circumference of a 6-inch schedule 80 carbon steel pipe?
    • A. 

      12 inches

    • B. 

      20 9/16 inches

    • C. 

      20 13/16 inches

    • D. 

      21 inches

  • 12. 
    What is the takeoff for a 6" x 4" LR reducing 90-degree ell?
    • A. 

      4 inches

    • B. 

      6 inches

    • C. 

      9 inches

    • D. 

      10 inches

  • 13. 
    The needle valve is used to
    • A. 

      Start and stop flow

    • B. 

      Regulate flow

    • C. 

      Relieve pressure

    • D. 

      Regulate the direction of flow

  • 14. 
    A 3-foot 6-inch elevation change is to be made on a 6-inch pipe using 90-degree long radius ells. What is the pipe cut lenght?
    • A. 

      1 foot

    • B. 

      1 foot 11 3/4 inches

    • C. 

      2 feet

    • D. 

      2 feet 11 3/4 inches

  • 15. 
    Which of the following is the decimal equivalent of 3/4 inch?
    • A. 

      0.25

    • B. 

      0.34

    • C. 

      0.75

    • D. 

      1.41

  • 16. 
    When bolting up a pair of 6-inch flanges that will NOT line up, what tool should be used to assist in lining up the flanges?
    • A. 

      Two hole pins.

    • B. 

      Drift pin.

    • C. 

      Pry bar.

    • D. 

      Hi-lo gauge.

  • 17. 
    What is the most common flare angle for flared fittings?
    • A. 

      22 1/2

    • B. 

      37

    • C. 

      45

    • D. 

      56 1/2

  • 18. 
    A speader bar with two slings attached is to be used to lift a 2,000-pound concrete beam. The beam will place a 1 ton load on each leg of the sling if the lift angle from horizontal is
    • A. 

      90 degrees.

    • B. 

      60 degrees.

    • C. 

      45 degrees.

    • D. 

      30 degrees.

  • 19. 
    What is used to open flanges for the installation of a test blind?
    • A. 

      Hammer and wedge

    • B. 

      C-clamp

    • C. 

      Flange spreader

    • D. 

      Pry bar

  • 20. 
    What type of drawing shows the height, width, and depth of a pipeline?
    • A. 

      Isometric

    • B. 

      P&ID

    • C. 

      Plan

    • D. 

      Section

  • 21. 
    A strainer installed in a system is used to catch
    • A. 

      Water

    • B. 

      Oil

    • C. 

      Antifreeze

    • D. 

      Debris

  • 22. 
    All of the following piping can be joined by grooved couplings EXCEPT:
    • A. 

      Carbon steel

    • B. 

      Fiber glass

    • C. 

      Stainless steel

    • D. 

      Ductile iron

  • 23. 
    The angle globe valve is used to:
    • A. 

      Start and stop flow.

    • B. 

      Regulate flow.

    • C. 

      Relieve pressure.

    • D. 

      Regulate the direction of flow

  • 24. 
    A piping and instrumentation drawing would show which of the following?
    • A. 

      Direction of flow

    • B. 

      Bill of material

    • C. 

      Elevation

    • D. 

      Plan view

  • 25. 
    When finding the lenght of any side of a right triangle, the Pythagorean theorem states that:
    • A. 

      A^2/b^2 = c^2

    • B. 

      A^2xb^2 = c^2

    • C. 

      A^2-b^2 = c^2

    • D. 

      A^2+b^2 = c^2

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