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Chemical Engineering :: Chemical Engineering Basics-2

  1. __________ strain gauge is the most sensitive sensing element for strain measurement.

  2. A.

     Photoelastic

    B.

     Semiconductor

    C.

     Wire resistance

    D.

     None of these

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  3. Acetylene should never be conveyed through __________ pipe, as it forms an unstable compound that dissociates violently at the slightest shock.

  4. A.

     Stainless steel

    B.

     Copper

    C.

     Aluminium

    D.

     Brass

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  5. The thermal efficiency of a heat engine giving an output of 4 KW with an input of 10000 Joules/sec is __________ percent.

  6. A.

     40

    B.

     80

    C.

     10

    D.

     25

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  7. Hardness & tensile strength of austenitic stainless steel can be increased by

  8. A.

     Martempering

    B.

     Cold working

    C.

     Normalising

    D.

     Hardening

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  9. In troposphere (the weather domain), the temperature 't' at height 'h' above the sea level in metres is given by (where, temperature at sea level is 15°C and t is in °C.)

  10. A.

     T = 15 - 0.0065 h

    B.

     T = 15 + 0.0065 h

    C.

     T = 0.0035 h - 15

    D.

     T = 15 - 0.0035 h

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  11. Half life of a radioactive isotope corresponds to the time required for half of the __________ to decay.

  12. A.

     Atoms

    B.

     Neutrons

    C.

     Nucleons

    D.

     Electrons

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  13. In which of the following reactions, application of vacuum will help ?

  14. A.

     Number of gas molecules in the product side is more than that on the reactant side

    B.

     Number of gas molecules in the reactant side is more than that on the product side

    C.

     Number of gas molecules are the same on both the reactant & the product side

    D.

     None of the above

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  15. Light year is the unit of

  16. A.

     Distance

    B.

     Time

    C.

     Intensity of light

    D.

     None of these

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  17. Minimum number of members required to form a Public Limited Joint Stock Company is

  18. A.

     7

    B.

     10

    C.

     12

    D.

     17

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  19. Which of the following is a commonly used manometric liquid for low pressure range?

  20. A.

     Ethyl alcohol

    B.

     Carbon tetrachloride

    C.

     Glycerol

    D.

     Ethylene glycol

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