The GATE Grind

GATE 2024 CE (CE1) – Question 29

Construction Materials · Steel: composition, properties and behaviour · 1 mark · Multiple select

The elements that DO NOT increase the strength of structural steel are

  1. Carbon
  2. Manganese
  3. Sulphur
  4. Chlorine

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Show answer and explanation

Correct answer: (C) Sulphur; (D) Chlorine

Explanation

Carbon and manganese increase the strength and hardness of steel. Sulphur is an impurity that makes the steel brittle and does not add strength, and chlorine is not an alloying element of steel.