Materials and Construction Acid proof stoneware All of these Is broken by small temperature changes Has very low strength Cannot be heated All of these Is broken by small temperature changes Has very low strength Cannot be heated ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (l/20th of ordinary metals)? Chromel Constantan Invar Alumel Chromel Constantan Invar Alumel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Reduction in the grain size reduces the __________ of the material. Tensile strength Fatigue resistance Creep resistance All of these Tensile strength Fatigue resistance Creep resistance All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel as a material of construction Is used as an alloying element for both ferrous & non-ferrous alloys Is paramagnetic below 415° C (its Curie temperature) Dimagnetic Has a body centred cubic (bcc) crystal lattice structure Is used as an alloying element for both ferrous & non-ferrous alloys Is paramagnetic below 415° C (its Curie temperature) Dimagnetic Has a body centred cubic (bcc) crystal lattice structure ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A magnetic material becomes __________ above the Curie temperature. None of these Ferromagnetic Paramagnetic Diamagnetic None of these Ferromagnetic Paramagnetic Diamagnetic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction All materials obey Hooke's law within elastic limit. When elastic limit is reached, the tensile strain Increases in proportion to stress Increases very quickly Decreases very quickly Decreases in proportion to stress Increases in proportion to stress Increases very quickly Decreases very quickly Decreases in proportion to stress ANSWER DOWNLOAD EXAMIANS APP
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