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  1. Gross & Net calorific values will be the same for

  2. A.
    methane
    B.
    propane
    C.
    carbon monoxide
    D.
    hydrogen

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  3. As per the Indian boiler regulation (IBR), the type of joint preferred for the circumferential joint is the __________ joint.

  4. A.
    butt
    B.
    lap
    C.
    welded
    D.
    none of these

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  5. Presence of small quantity of sulphur in low carbon steel improves its

  6. A.
    formability
    B.
    machinability
    C.
    weldability
    D.
    hardenarality

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  7. Duralumin is an alloy of aluminium and copper. Percentage of copper in duralumin is

  8. A.
    38
    B.
    26
    C.
    16
    D.
    4

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  9. Copper is not present as an alloying constituent in

  10. A.
    silicon bronze
    B.
    constantan
    C.
    nichrome
    D.
    delta metal

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  11. Lead is added to 60:40 brass primarily to improve

  12. A.
    machinability
    B.
    corrosion resistance
    C.
    fluidity
    D.
    strength

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  13. Air intake for an air compressor should be preferably taken from

  14. A.
    a site, where cooling towers are located nearby.
    B.
    a site, where open coal yard in located nearby.
    C.
    an air conditioned room maintained at a temperature of 18°C.
    D.
    an outside atmosphere at 10°C.

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  15. Current asset of a factory includes the

  16. A.
    goodwill of the company.
    B.
    common stocks held by the company.
    C.
    manufacturing plant & equipment.
    D.
    inventory.

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