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Chemical Engineering :: Chemical Engineering Basics

  1. 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.)

  2. A.
    t = 15 - 0.0065 h
    B.
    t = 15 + 0.0065 h
    C.
    t = 0.0035 h - 15
    D.
    t = 15 - 0.0035 h

  3. A high pressure boiler generates steam at a pressure greater than __________ kg/cm2 .

  4. A.
    10
    B.
    30
    C.
    50
    D.
    80

  5. Evaporative cooling process employs a combination of cooling and humidification in which the

  6. A.
    sensible heat is added.
    B.
    sensible heat is removed and the latent heat is added.
    C.
    latent heat is removed.
    D.
    sensible heat is added and latent heat is removed.

  7. Which of the following is not an explosive ?

  8. A.
    TNT
    B.
    CMC
    C.
    RDX
    D.
    Lead azide

  9. Maxwell's thermodynamic relations applies to the

  10. A.
    chemical systems in equilibrium.
    B.
    mechanical systems in equilibrium.
    C.
    irreversible thermodynamic processes.
    D.
    reversible thermodynamic processes.

  11. Annealing ofwhite cast iron produces __________ iron.

  12. A.
    grey
    B.
    nodular
    C.
    malleable
    D.
    spheroidal

  13. Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional area of the conductor)

  14. A.
    A
    B.
    l
    C.
    A2
    D.
    both 'a' & 'b'

  15. A solar cell converts the sunlight directly into __________ energy.

  16. A.
    thermal
    B.
    electrical
    C.
    mechanical
    D.
    chemical

  17. If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.

  18. A.
    critical
    B.
    breeder
    C.
    fertile
    D.
    heterogenous

  19. Wrought iron is never shaped by

  20. A.
    casting
    B.
    cold working
    C.
    forging
    D.
    welding