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Chemical Engineering :: Chemical Engineering Basics

  1. Maximum permissible sulphur content in steel is __________ percent.

  2. A.
    0.015
    B.
    0.055
    C.
    0.505
    D.
    0.805

  3. The dimensional formula of bulk modulus of elasticity is same as that of the

  4. A.
    pressure
    B.
    density
    C.
    force
    D.
    none of these

  5. Ferromagnetic material owe their properties to __________ inner sub-shells.

  6. A.
    completely filled
    B.
    partially filled
    C.
    equally filled
    D.
    vacant

  7. Which of the following metals is the most prone to work hardening?

  8. A.
    Brass
    B.
    Aluminium
    C.
    Copper
    D.
    Lead

  9. 'Amortization' in respect of financial obligation of a company means the

  10. A.
    liquidation of financial obligations on instalment basis.
    B.
    commitment of financial obligation on priority.
    C.
    liquidation of all the obsolete equipments of the company.
    D.
    modernisation of the plant equipments.

  11. Difference at any instant between the value of the controlled variable and the set point is called the

  12. A.
    deviation
    B.
    derivative time
    C.
    error ratio
    D.
    differential gap

  13. The expected efficiency of a single rivetted lap joint is of the order of 50%. If the thickness of the plate is increased four times, then the rivet diameter will have to be increased __________ times.

  14. A.
    two
    B.
    four
    C.
    six
    D.
    eight

  15. Nickel and __________ are the alloying element added in steel to increase its toughness.

  16. A.
    molybdenum
    B.
    chromium
    C.
    vanadium
    D.
    silicon

  17. Which of the following equipments is used for liquid dispersion ?

  18. A.
    Packed column
    B.
    Venturi scrubber
    C.
    Bubble cap plate column
    D.
    Wetted wall column

  19. Eutectoid composition of carbon steel at room temperature is

  20. A.
    cementite
    B.
    pearlite
    C.
    martensite
    D.
    ferrite