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Chemical Engineering :: Chemical Engineering Basics-2

  1. The elastic strain energy of a unit length of an edge dislocation as compared to that of a screw dislocation is

  2. A.

     More

    B.

     Equal

    C.

     Less

    D.

     Double

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  3. Wavelength of radiation emitted by a body depends on the __________ of its surface.

  4. A.

     Temperature

    B.

     Area

    C.

     Nature

    D.

     All of the above

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  5. Cementite is in the lamellar form in the __________ phase of steel.

  6. A.

     Martensitic

    B.

     Bainitic

    C.

     Pearlitic

    D.

     Ferritic

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  7. Otto cycle used in spark ignition petrol engines is also known as the constant __________ cycle.

  8. A.

     Volume

    B.

     Pressure

    C.

     Heat

    D.

     None of these

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  9. The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the

  10. A.

     Final control element

    B.

     On-off control

    C.

     Floating control action

    D.

     None of these

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  11. Which of the following is a weak acid?

  12. A.

     HF

    B.

     HCl

    C.

     HI

    D.

     HBr

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  13. The 'laughing gas' is

  14. A.

     Nitrous oxide

    B.

     Nitric oxide

    C.

     Nitrogen trioxide

    D.

     Nitrogen pentoxide

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  15. Pick out the wrong statement.

  16. A.

     Complete unity of command exists in a line organisation

    B.

     Line organisation is net suitable for expansion and growth of an industry

    C.

     In line and staff organisation, "line" executes and "staff directs

    D.

     None of these

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  17. Out of the following, __________ pipe is the least corrosion resistant.

  18. A.

     Mild steel

    B.

     Copper

    C.

     Wrought iron

    D.

     Stainless steel

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  19. Out of the following, the most melleable material is

  20. A.

     Copper

    B.

     Aluminium

    C.

     Wrought iron

    D.

     Lead

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