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Chemical Engineering :: Chemical Engineering Basics-2

  1. Copper is not present as an alloying constituent in

  2. A.

     Silicon bronze

    B.

     Constantan

    C.

     Nichrome

    D.

     Delta metal


  3. Kinematic viscosity of water as compared to that of air is

  4. A.

     More

    B.

     Same

    C.

     15% more

    D.

     15% less


  5. Area under the stress-strain curve upto the __________ is referred to as the modulus of resilience.

  6. A.

     Yield strength

    B.

     Elastic limit

    C.

     Proportional limit

    D.

     Maximum point


  7. __________ test can be termed as the semi-distructive test.

  8. A.

     Impact

    B.

     Torsion

    C.

     Hardness

    D.

     Charpy


  9. A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/seC₂ is

  10. A.

     8.82

    B.

     9.81

    C.

     10.88

    D.

     0.95


  11. The weight of a body at the centre of the earth is

  12. A.

     Infinite

    B.

     Zero

    C.

     Same as on the surface of the earth

    D.

     None of these


  13. The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T₁ and T₂ is given by

  14. A.

     T₁/(T₁-T₂)

    B.

     T₂/(T₁-T₂)

    C.

     T₁/T₂

    D.

     T₂/T₁


  15. Lead is poured into the joint between two __________ pipes.

  16. A.

     Mild steel

    B.

     Concrete

    C.

     Cast iron

    D.

     Asbestos cement


  17. Lead is poured into the joints between two __________ pipes.

  18. A.

     Cast iron

    B.

     Steel

    C.

     Concrete

    D.

     Plastic


  19. Free oxygen is removed from boiler feed water, because it

  20. A.

     Reduces heat transfer co-efficient

    B.

     Is corrosive

    C.

     Causes explosion

    D.

     None of these