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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


  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


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

  6. A.

     Martensitic

    B.

     Bainitic

    C.

     Pearlitic

    D.

     Ferritic


  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


  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


  11. Which of the following is a weak acid?

  12. A.

     HF

    B.

     HCl

    C.

     HI

    D.

     HBr


  13. The 'laughing gas' is

  14. A.

     Nitrous oxide

    B.

     Nitric oxide

    C.

     Nitrogen trioxide

    D.

     Nitrogen pentoxide


  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


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

  18. A.

     Mild steel

    B.

     Copper

    C.

     Wrought iron

    D.

     Stainless steel


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

  20. A.

     Copper

    B.

     Aluminium

    C.

     Wrought iron

    D.

     Lead