Check Your City Gas IQ

35 Questions | Total Attempts: 121

SettingsSettingsSettings
Please wait...
City Quizzes & Trivia

Questions and Answers
  • 1. 
    What is SDR?
    • A. 

      Standard Dimension Ratio

    • B. 

      Standard Diameter Ratio

    • C. 

      Standard Diameter Radius

    • D. 

      Standard Diameter Rating

  • 2. 
    Does ASME B31.8 cover Plastic Pipe Design?
    • A. 

      Yes

    • B. 

      No

  • 3. 
    PE is which form of plastic?
    • A. 

      Thermoplastic

    • B. 

      Thermosetting Plastic

  • 4. 
    Formula for Hoop Stress is,
    • A. 

      2.P/D.t

    • B. 

      2.P.D/t

    • C. 

      2.D/P.t

    • D. 

      P.D/2.t

  • 5. 
    ANSI B16.34 is for,
    • A. 

      Cast Iron Gate Vales

    • B. 

      Steel Valves

    • C. 

      Brass or Bronze Flanges and flanged fittings

    • D. 

      None of the above.

  • 6. 
    As per ASME B31.8, how many Location Classes can exist?
    • A. 

      3

    • B. 

      4

    • C. 

      5

    • D. 

      6

  • 7. 
    'Higher the location class, higher the Design Factor for pipeline.'True or False?
    • A. 

      True

    • B. 

      False

  • 8. 
    Diversity Factor =
    • A. 

      Max. Actual Demand/Max. Potential Demand

    • B. 

      Max. Potential Demand/Max. Actual Demand

    • C. 

      Min. Actual Demand/Max. Potential Demand

    • D. 

      Max. Potential Demand/Min. Actual Demand

  • 9. 
    As per IGE/TD/3, Smooth Pipe Law can be applied to Natural Gas systems of MOP not exceeding,
    • A. 

      7 bar

    • B. 

      10 bar

    • C. 

      19 bar

    • D. 

      35 bar

  • 10. 
    SDR is
    • A. 

      Min. Outside Diameter/Min. Wall Thickness

    • B. 

      Min. Outside Diameter/Max. Wall Thickness

    • C. 

      Max. Outside Diameter/Min. Wall Thickness

    • D. 

      Max. Outside Diameter/Max. Wall Thickness

  • 11. 
    Which sequence (descending ) is correct under normal operation? (Where STP=Strength Test Pressure, MIP=Maximum Incidental Pressure, OP = Operating Pressure, MOP=Maximum Operating Pressure)
    • A. 

      MIP, STP, MOP, OP

    • B. 

      STP, MIP, MOP, OP

    • C. 

      STP, MOP, MIP, OP

    • D. 

      MOP, STP, MIP, OP

  • 12. 
    'Higher the Grade of API 5L pipe, lower the SMYS.' True or False?
    • A. 

      True

    • B. 

      False

  • 13. 
    Which is the ASME standard for Managing System Integrity of Gas Pipelines?
    • A. 

      ASME B31.1

    • B. 

      ASME B31.2

    • C. 

      ASME B31.3

    • D. 

      ASME B31.8S

  • 14. 
    As per Pipeline Research Committee International (PRCI), how many threats can exists for a pipeline?
    • A. 

      21

    • B. 

      10

    • C. 

      15

    • D. 

      5

  • 15. 
    'Risk' is the mathematical product of,
    • A. 

      Probability and Consequences

    • B. 

      Probability and Likelihood

    • C. 

      Probability and Length of pipeline

    • D. 

      Probability and no. of joints

  • 16. 
    'HAZID and HAZOP are types of Risk Assessment. True or False?
    • A. 

      True

    • B. 

      False

  • 17. 
    Why is natural gas compressed for vehicular use?
    • A. 

      To increase the mileage of the vehicle

    • B. 

      To reduce the time of filling

    • C. 

      To increase the storage capacity

    • D. 

      To push the gas through engine

  • 18. 
    What is the function of cascade in CNG filling stations?
    • A. 

      To act as a buffer.

    • B. 

      To reduce the no. of operating cycles of the compressor.

    • C. 

      Reduce the gas filling cycle time.

    • D. 

      All of the above.

  • 19. 
    Can Diesel vehicles be converted to CNG?
    • A. 

      Yes

    • B. 

      No

  • 20. 
    What would be the min. bend radius for PE pipe? (D=180mm, SDR=11)?
    • A. 

      10m

    • B. 

      7.5m

    • C. 

      5.5m

    • D. 

      4.5m

  • 21. 
    'LPG is lighter than natural gas.' True or False?
    • A. 

      True

    • B. 

      False

  • 22. 
    What does SCADA stand for?
    • A. 

      Supervisory Control And Data Acquisition

    • B. 

      System Control And Data Acquisition

    • C. 

      Supervisory Control And Data Acceptance

    • D. 

      Superficial Control And Data Acquisition

  • 23. 
    What is the typical CV of natural gas?
    • A. 

      8500 kcal/m3

    • B. 

      8500 kcal/kg

    • C. 

      8500 kJ/m3

    • D. 

      8500 kJ/kg

  • 24. 
    What does '100' denote in PE 100 pipe?
    • A. 

      Long term hydrostatic strength = 10 bar

    • B. 

      Long term hydrostatic strength = 100 bar

    • C. 

      Long term hydrostatic strength = 1 MPa

    • D. 

      Long term hydrostatic strength = 100 Mpa

  • 25. 
    What is the typical density of PE pipe?
    • A. 

      750 kg/m3

    • B. 

      800 kg/m3

    • C. 

      944 kg/m3

    • D. 

      1000 kg/m3