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  1. Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position.

  2. A.

     Horizontal

    B.

     Vertical

    C.

     Inclined

    D.

     Any

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  3. An example of unsteady non uniform flow is the flow of liquid under pressure through a

  4. A.

     Tapering pipe at constant flow rate

    B.

     Tapering pipe at either decreasing or increasing flow rate

    C.

     Long pipeline of constant diameter

    D.

     None of these

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  5. Main alloying element in Elinvar used in precision instruments, hair springs for watches etc. is

  6. A.

     Chromium

    B.

     Nickel

    C.

     Zinc

    D.

     Aluminium

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  7. Which of the following if present in iron ore, enhances its value?

  8. A.

     Alumina

    B.

     Alkali oxide

    C.

     Lime & Magnesia

    D.

     None of these

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  9. Annealing ofwhite cast iron produces __________ iron.

  10. A.

     Grey

    B.

     Nodular

    C.

     Malleable

    D.

     Spheroidal

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  11. __________ of grey cast iron produces white cast iron.

  12. A.

     Tempering

    B.

     Rapid heating

    C.

     Rapid cooling

    D.

     Slow cooling

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  13. Which of the following pairs is not correctly matched?

  14. A.

     Uranium - 233 : Fertile material

    B.

     Bindingenergy : Mass defect

    C.

     Scattering : Absorption cross-section

    D.

     Number of nucleons : Mass number

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  15. Speisses is a mixture of the following:

  16. A.

     Arsenides of heavy metals

    B.

     Antimonides of heavy metals

    C.

     Arsenides & antimonides of heavy metals

    D.

     Iron, cobalt and nickel

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  17. LVDT used for displacement measurement is a/an __________ transducer.

  18. A.

     Passive

    B.

     Active

    C.

     Capacitive

    D.

     None of these

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  19. The escape velocity of a body on earth which is independent of its mass is about __________ km/second.

  20. A.

     3

    B.

     7

    C.

     11

    D.

     15

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