Materials and Construction Molybdenum steels containing 0.15 to 0.40% molybdenum Are prone to temper brittleness Are used for automobile parts like gears, axle, shaft, bearings etc Have very poor fatigue resistance Do not contain nickel or chromium or both Are prone to temper brittleness Are used for automobile parts like gears, axle, shaft, bearings etc Have very poor fatigue resistance Do not contain nickel or chromium or both ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Softening of hardned steel is done by its Tempering Normalising Annealing Carburising Tempering Normalising Annealing Carburising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Locomotive boiler tubes are made of __________ alloys. Nickel Magnesium Aluminium Arsenic copper Nickel Magnesium Aluminium Arsenic copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tank furnace used for melting of glass is made of Mild steel Stainless steel Cast iron Refractory blocks Mild steel Stainless steel Cast iron Refractory blocks ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The melleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the miximum malleability? Copper Wrought iron Aluminium Lead Copper Wrought iron Aluminium Lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is __________ percent. 0.5 0.02 0.2 0.35 0.5 0.02 0.2 0.35 ANSWER DOWNLOAD EXAMIANS APP