Materials and Construction Ability of a material to __________ is indicated by its damping capacity. None of these Withstand compression Absorb shock Absorb vibration None of these Withstand compression Absorb shock Absorb vibration ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following undergoes granular fracture? None of these Wrought iron Steel Cast iron None of these Wrought iron Steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction As the impurities are oxidised, the melting point of iron Decreases May increase or decrease ; unpredictable Increases Remains unchanged Decreases May increase or decrease ; unpredictable Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel balls for ball bearings are generally made of __________ steel. Stainless Carbon chrome Free carbon Cast Stainless Carbon chrome Free carbon Cast ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel is Very poor in strength & ductility A high carbon steel (0.5 to 1.5% carbon) A low carbon steel (0.05 to 0.3% carbon) Highly resistant to corrosion (as much as stainless steel) Very poor in strength & ductility A high carbon steel (0.5 to 1.5% carbon) A low carbon steel (0.05 to 0.3% carbon) Highly resistant to corrosion (as much as stainless steel) 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%)? Armature of small motors/generators High frequency transformers Generators and small motors Induction motors Armature of small motors/generators High frequency transformers Generators and small motors Induction motors ANSWER DOWNLOAD EXAMIANS APP
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