Materials and Construction Which of the following is the most prone to atmospheric corrosion? Copper Tin Iron Silver Copper Tin Iron Silver ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Bush bearings are made of Mild steel White metal alloys Phosphorous bronze None of these Mild steel White metal alloys Phosphorous bronze None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A magnetic material becomes __________ above the Curie temperature. Ferromagnetic None of these Paramagnetic Diamagnetic Ferromagnetic None of these Paramagnetic Diamagnetic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 18/8 stainless steel means, that it contains 18% chromium and 8% molybdenum 18% nickel and 8% chromium 18% chromium and 8% nickel 18% molybdenum and 8% chromium 18% chromium and 8% molybdenum 18% nickel and 8% chromium 18% chromium and 8% nickel 18% molybdenum and 8% chromium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cementite is Fe₃C chemically All of these Characterised by an orthorhombic crystal structure A compound of carbon and iron Fe₃C chemically All of these Characterised by an orthorhombic crystal structure A compound of carbon and iron 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%)? Generators and small motors Armature of small motors/generators High frequency transformers Induction motors Generators and small motors Armature of small motors/generators High frequency transformers Induction motors ANSWER DOWNLOAD EXAMIANS APP
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