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Chemical Engineering :: Materials and Construction

Materials and Construction - Section 1
Materials and Construction - Section 2
Materials and Construction - Section 3
Materials and Construction - Section 4
Materials and Construction - Section 5
Materials and Construction - Section 6
Materials and Construction - Section 7
Materials and Construction - Section 8
Materials and Construction - Section 9
Materials and Construction - Section 10
Materials and Construction - Section 11

  1. Zircalloy used as a fuel cladding material in a nuclear reactor (thermal) is an alloy of zirconium

    2. A.
    tin, nickel, iron and chromium
    B.
    and graphite
    C.
    and copper
    D.
    none of these

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  2. The material used in the filament of electric bulbs is

    3. A.
    nichrome
    B.
    tungsten
    C.
    constantan
    D.
    German silver

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  3. Dead mild steel, which contains 0.10 to 0.15 percent carbon is used for making

    4. A.
    shafts
    B.
    flanges
    C.
    gears
    D.
    shear blades

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  4. Caustic soda can be stored in __________ drums.

    5. A.
    steel
    B.
    cast iron
    C.
    brass
    D.
    gun metal

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  5. Work hardening of a material

    6. A.
    decreases its tensile strength.
    B.
    decreases its ductility.
    C.
    increases its ductility.
    D.
    does not affect its ductility.

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  6. Wrought iron is

    7. A.
    high carbon iron.
    B.
    highly resistance to acid corrosion.
    C.
    malleable & ductile; and hence is used for chain links, hooks & couplings.
    D.
    an alloy of iron, chromium & carbon.

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  7. Perspex is nothing but

    8. A.
    acrylic sheet
    B.
    an elastomer
    C.
    an alloy of lead and tin
    D.
    aluminium foil clad with bakelite

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  8. Centrifugal pump made of pyrex or glass can't be used to pump

    9. A.
    milk and fruit juices.
    B.
    alkaline solutions.
    C.
    dilute H2SO4 at room temperature.
    D.
    brine.

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  9. Ability of a material to __________ is indicated by its damping capacity.

    10. A.
    withstand compression
    B.
    absorb vibration
    C.
    absorb shock
    D.
    none of these

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  10. Corrosion resistance of steel is increased by the addition of

    11. A.
    phosphorous and tungsten.
    B.
    nickel and chromium.
    C.
    lead and vanadium.
    D.
    molybdenum and tungsten.

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