Q. Steel is mainly an alloy of
✅ Correct Answer: (A)
iron and carbon
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Q. Which of the following is a disadvantage of Steel?
✅ Correct Answer: (C)
fire and corrosion resistance
Q. Elastic Modulus of Steel is
✅ Correct Answer: (B)
2.0 x 105 n/mm2
Q. Poisson’s ratio of steel is
✅ Correct Answer: (C)
0.3
Q. Structural Steel normally has carbon content less than
✅ Correct Answer: (B)
0.6%
Q. What happens when Manganese is added to steel?
✅ Correct Answer: (D)
improves strength and hardness of steel
Q. Phosphorous in Steel ?
✅ Correct Answer: (B)
affects weldability
Q. Which of the following is added to steel to increase resistance to corrosion?
✅ Correct Answer: (D)
copper
Q. (i) tensile strength and yield property (ii) Ductility (iii) Welding (iv) Corrosion resistance
✅ Correct Answer: (C)
i, ii, iii
Q. Chrome and Nickel are added to Steel to improve
✅ Correct Answer: (A)
corrosion resistance and high temperature resistance
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