Materials and Construction Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. Having poor toughness Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor toughness Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The increase in hardness of metal due to its cold working is termed as the __________ hardening. Induction Flame Age Work Induction Flame Age Work ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Telfon (PTFE) is corroded by Hydrochloric acid (10%) Hydrochloric acid (95%) Sulphuric acid None of these Hydrochloric acid (10%) Hydrochloric acid (95%) Sulphuric acid None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Brass container is suitable for storing H₂SO₄(95%) Beer Phosphoric acid (95%) Aqueous ammonia H₂SO₄(95%) Beer Phosphoric acid (95%) Aqueous ammonia ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following commercial metals is most abundantly found in India? Zinc Aluminium Nickel Copper Zinc Aluminium Nickel Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of __________ in steel can help in increasing the depth of hardness. Tungsten Nickel Chromium Vanadium Tungsten Nickel Chromium Vanadium ANSWER DOWNLOAD EXAMIANS APP
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