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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

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  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

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  5. A manometer is used to measure

  6. A.

     Earthquake

    B.

     Pressure

    C.

     Temperature

    D.

     Density

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  7. Anemometer is used to measure

  8. A.

     Wind direction

    B.

     Wind velocity

    C.

     Pressure gradient

    D.

     Wind speed and time

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

  10. A.

     Altimeter

    B.

     Anemometer

    C.

     Chronometer

    D.

     Dosimeter

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  11. The sudden fall of atmospheric pressure indicates

  12. A.

     Fair weather

    B.

     Storm

    C.

     Rain

    D.

     Cold weather

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  13. Hydraulic brakes in automobile work on

  14. A.

     Poiseuille's principle

    B.

     Pascal's principle

    C.

     Archimedes' principle

    D.

     Bernoulli's principle

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

  16. A.

     Hot weather

    B.

     Calm weather

    C.

     Storm

    D.

     Dry weather

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  17. A storm is predicted if atmospheric pressure

  18. A.

     Rises suddenly

    B.

     Rises gradually

    C.

     Falls suddenly

    D.

     Falls gradually

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  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

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