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General Knowledge :: Physics

  1. Hydraulic machines work under the Principle of :

  2. A.

     Newton's Law

    B.

     Joules Law

    C.

     Pascal's Law

    D.

     Floatation Law


  3. Alcohol is more volatile than water because ________ is lower than water.

  4. A.

     Its boiling point

    B.

     Its density

    C.

     Its viscosity

    D.

     Its surface tension


  5. A manometer is used to measure

  6. A.

     Earthquake

    B.

     Pressure

    C.

     Temperature

    D.

     Density


  7. Anemometer is used to measure

  8. A.

     Wind direction

    B.

     Wind velocity

    C.

     Pressure gradient

    D.

     Wind speed and time


  9. The instrument used to measure the speed of the wind is

  10. A.

     Altimeter

    B.

     Anemometer

    C.

     Chronometer

    D.

     Dosimeter


  11. The sudden fall of atmospheric pressure indicates

  12. A.

     Fair weather

    B.

     Storm

    C.

     Rain

    D.

     Cold weather


  13. Hydraulic brakes in automobile work on

  14. A.

     Poiseuille's principle

    B.

     Pascal's principle

    C.

     Archimedes' principle

    D.

     Bernoulli's principle


  15. When the barometer reading dips suddenly, it is an indication of

  16. A.

     Hot weather

    B.

     Calm weather

    C.

     Storm

    D.

     Dry weather


  17. A storm is predicted if atmospheric pressure

  18. A.

     Rises suddenly

    B.

     Rises gradually

    C.

     Falls suddenly

    D.

     Falls gradually


  19. On which principle does the hydraulic lift works?

  20. A.

     Newton's law

    B.

     Pascal's law

    C.

     Archimedes's law

    D.

     Joule's law