Design of Reinforced Cement Concrete Elements MCQs with answers Page - 1

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A

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Q. Steel is mainly an alloy of

  • (A) iron and carbon
  • (B) sulphur and zinc
  • (C) zinc and tin
  • (D) phosphorous and tin

A

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Q. Which of the following is a disadvantage of Steel?

  • (A) high strength per unit mass
  • (B) high durability
  • (C) fire and corrosion resistance
  • (D) reusable

A

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Q. Elastic Modulus of Steel is

  • (A) 1.5 x 109 n/mm2
  • (B) 2.0 x 105 n/mm2
  • (C) 2.0 x 105 n/m2
  • (D) 1.5 x 109 n/m2

A

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Q. Structural Steel normally has carbon content less than

  • (A) 1.0%
  • (B) 0.6%
  • (C) 3.0%
  • (D) 5.0%

A

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Q. What happens when Manganese is added to steel?

  • (A) decreases strength and hardness of steel
  • (B) improves corrosion resistance
  • (C) decreases ductility
  • (D) improves strength and hardness of steel

A

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Q. Phosphorous in Steel ?

  • (A) yields high strength
  • (B) affects weldability
  • (C) increases resistance to corrosion
  • (D) improves resistance to high temperature

A

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Q. Which of the following is added to steel to increase resistance to corrosion?

  • (A) carbon
  • (B) manganese
  • (C) sulphur
  • (D) copper

A

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Q. (i) tensile strength and yield property (ii) Ductility (iii) Welding (iv) Corrosion resistance

  • (A) i and ii only
  • (B) i and iii only
  • (C) i, ii, iii
  • (D) i and iv only

A

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Q. Chrome and Nickel are added to Steel to improve

  • (A) corrosion resistance and high temperature resistance
  • (B) strength
  • (C) ductility
  • (D) weldablity