Advanced Level Physics Trivia Quiz!

30 Questions | Total Attempts: 232

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Advanced Level Physics Trivia Quiz! - Quiz

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Questions and Answers
  • 1. 
    Starting friction is low in:
    • A. 

       Hydrostatic lubrication

    • B. 

       Hydrodynamic lubrication

    • C. 

       Mixed or semi fluid lubrication

    • D. 

       Boundary lubrication

  • 2. 
    Which of the following would not increase the rate of heat transferred from a heater pipe?
    • A. 

      Insulating with materials whose thickness is below that of critical thickness for insulation.

    • B. 

      Blowing air over it

    • C. 

      Providing fins

    • D. 

      Placing the heater pipe within another whose thermal conductivity is smaller in number and 2 inches thick

  • 3. 
    By adding tetraethyl lead to iso-octane:
    • A. 

      Exhaust smoke can be reduced

    • B. 

      Knocking can be completely suppressed

    • C. 

      Octane number above 100 can be obtained

    • D. 

      Specific fuel consumption can be reduced

  • 4. 
    Which of the following is psychrometric process?
    • A. 

      A) Humidification

    • B. 

      B) Dehumidification

    • C. 

      C) Sensible heating

    • D. 

      D) All of the above

  • 5. 
    Process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface is known as:
    • A. 

      Extrusion

    • B. 

      Pircing

    • C. 

      Cold peening

    • D. 

      Up Setting

  • 6. 
    The stress produced by a suddenly applied load as compared to that produced by the same load when applied gradually is:
    • A. 

      1.5 times

    • B. 

      2 times

    • C. 

      3 times

    • D. 

      4 times

  • 7. 
    A line of thrust of a parabolic arch is:
    • A. 

      Funicular Polygon

    • B. 

      Parabolic

    • C. 

      Triangular

    • D. 

      Circular

  • 8. 
    If the angularity number of an aggregate is increased then the workability of the concrete will:
    • A. 

      Increase

    • B. 

      Decrease

    • C. 

      No Change

    • D. 

      None of these

  • 9. 
    If the column has machined end then the connection between the splice and column is designed to carry:
    • A. 

      25% axial load and any tension

    • B. 

      50% axial load and any tension

    • C. 

      Only tension

    • D. 

      25% axial load and 75% tension

  • 10. 
    The depth of capillary fringe in a soil mass having void ratio = 0.70 and effective size of the soil grain D10= 0.1 mm will be:
    • A. 

      34.5 cm

    • B. 

      24.6 cm

    • C. 

      38.1 cm

    • D. 

      None of these

  • 11. 
    A streamlined body is defined as a body about which:
    • A. 

      The flow is laminar

    • B. 

      The flow is along the stream lines

    • C. 

      The flow separation is suppressed

    • D. 

      The drag is zero

  • 12. 
    If the area of catchment is 567 km2, then what will be the base width of 3h unit hydrograph, assuming it to be of triangular shape?
    • A. 

      78 hrs

    • B. 

      63 hrs

    • C. 

      82 hrs

    • D. 

      52 hrs

  • 13. 
    If the self purification constant of a large stream flowing with low velocity is 2 and its reoxygenation coefficient is 0.2, then its de oxygenation coefficient will be:
    • A. 

      0.22

    • B. 

      0.10

    • C. 

      0.18

    • D. 

      0.4

  • 14. 
    Graph between the amount of organic matter left in sewage, and time elapsed in days, is:
    • A. 

      Linear

    • B. 

      Parallel to time axis

    • C. 

      Exponential

    • D. 

      None of these

  • 15. 
    Reflection cracking is observed in:
    • A. 

      Flexible pavement

    • B. 

      Rigid pavement

    • C. 

      Rigid overlay over flexible pavement

    • D. 

       Bituminous overlay over cement concrete pavement

  • 16. 
    A copper atom is neutral. It's core has a net charge of:  
    • A. 

      0

    • B. 

      +1

    • C. 

      -1

    • D. 

      +2

  • 17. 
    As the temperature of semiconductor is increased:
    • A. 

      The average number of free charge carriers decreases

    • B. 

      The average number of free charge carriers increases

    • C. 

      The average number of free charge carriers remains the same

    • D. 

      The average number of free charge carriers may increase or decreases

  • 18. 
    Which of these has the lowest dielectric strength?
    • A. 

      Dry air

    • B. 

      Wet air

    • C. 

      Cotton

    • D. 

      Paper

  • 19. 
    In satellite communication, frequency modulation is used because satellite channel has:
    • A. 

      Small bandwidth and negligible noise

    • B. 

      Large bandwidth and severe noise

    • C. 

      Maximum bandwidth and minimum noise

    • D. 

      High modulation index

  • 20. 
    In communication satellites, the up-link normally operates at a higher frequency than the down-link because it:  
    • A. 

      Gives a narrow beam shining into space

    • B. 

      Results in lesser signal attenuation

    • C. 

      Gives better beam-shaping

    • D. 

      Is easier to polarize a high frequency beam

  • 21. 
    A transitive dependency is which of the following?
    • A. 

      A functional dependency between two or more key attributes.

    • B. 

      A functional dependency between two or more nonkey attributes

    • C. 

      A relation that is in first normal form

    • D. 

      A relation that is in second normal form.

  • 22. 
    Backward recovery is which of the following?  
    • A. 

      Where the before-images are applied to the database

    • B. 

      Where the after-images are applied to the database

    • C. 

      Where the after-images and before-images are applied to the database

    • D. 

      Switching to an existing copy of the database

  • 23. 
    Concurrency control is important for which of the following reasons?  
    • A. 

      To ensure data integrity when updates occur to the database in a multiuser environment

    • B. 

      To ensure data integrity when updates occur to the database in a single-user environment

    • C. 

      To ensure data integrity while reading data occurs to the database in a multiuser environment

    • D. 

      To ensure data integrity while reading data occurs to the database in a single-user environment

  • 24. 
    Which of the following refers to associative memory?  
    • A. 

      The address of the data is generated by the CPU

    • B. 

      The address of the data is supplied by the users

    • C. 

      There is no need for an address i.e. the data is used as an address

    • D. 

      The data are accessed sequentially

    • E. 

      None of the above

  • 25. 
    A system program that combines the separately compiled modules of a program into a form suitable for execution.
    • A. 

      Assembler

    • B. 

      Limking loader

    • C. 

      Cross compiler

    • D. 

      Load and go

    • E. 

      None of the above

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