Materials and Construction Nickel as a material of construction 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 Is used as an alloying element for both ferrous & non-ferrous alloys Is paramagnetic below 415° C (its Curie temperature) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of 0.3 to 0.5% arsenic in copper increases its Malleability Ductility Electrical conductivity Tenacity & hardness Malleability Ductility Electrical conductivity Tenacity & hardness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysterisis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%)? High frequency transformers Induction motors Armature of small motors/generators Generators and small motors High frequency transformers Induction motors Armature of small motors/generators Generators and small motors ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the poorest wel-dability? High-carbon steel Mild steel Wrought iron Low carbon steel High-carbon steel Mild steel Wrought iron Low carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Hypersil' is a __________ steel. High speed Silicon Tungsten Molybdenum High speed Silicon Tungsten Molybdenum ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel is a constituent of Monel metal Bronze Solder Duralumin Monel metal Bronze Solder Duralumin ANSWER DOWNLOAD EXAMIANS APP
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