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GATE 2023 PI – Question 41

General Engineering · Engineering Materials · 2 marks · Multiple choice

Match room-temperature materials P: Si; Q: Fe; R: Al; S: Zn, with crystal structures 1: FCC; 2: HCP; 3: diamond cubic; 4: BCC.

  1. P–3,Q–4,R–1,S–2
  2. P–2,Q–1,R–4,S–3
  3. P–2,Q–4,R–1,S–3
  4. P–3,Q–1,R–4,S–2

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Show answer and explanation

Correct answer: (A) P–3,Q–4,R–1,S–2

Explanation

Silicon has diamond-cubic structure, room-temperature iron is BCC, aluminium is FCC and zinc is HCP. **P–3,Q–4,R–1,S–2, A**.

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