Materials and Construction With increase in carbide/graphite ratio in cast iron, its Both A & B Ductility decreases Hardness & brittleness increases Neither A nor B Both A & B Ductility decreases Hardness & brittleness increases Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanised iron is Alumina coated iron Harder Protected from rusting None of these Alumina coated iron Harder Protected from rusting None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is not a case hardening process. Annealing Cyaniding Carburising Nitriding Annealing Cyaniding Carburising Nitriding ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not an alloy of copper and tin? Gun metal Monel metal Bell metal Admiralty gun metal Gun metal Monel metal Bell metal Admiralty gun metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Plastics are Used in very high temperature applications Not suitable for drainage pipe manufacture Non-biodegradable All of these Used in very high temperature applications Not suitable for drainage pipe manufacture Non-biodegradable All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction As the impurities are oxidised, the melting point of iron May increase or decrease ; unpredictable Remains unchanged Decreases Increases May increase or decrease ; unpredictable Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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