The GATE Grind

GATE 2023 AR — Architecture – Question 35

Building Services · Building Safety and Security systems · 2 marks · Multiple select

Which building-system pairings are correct?

  1. RFID—access control
  2. Magnetic loop—fire detection
  3. Infrared—public broadcasting
  4. Iris scan—biometric identification

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Correct answer: (A) RFID—access control; (D) Iris scan—biometric identification

Explanation

RFID credentials can control entry and iris patterns identify users biometrically, so A, D. Magnetic loops are associated with induction/vehicle or hearing-assistance applications rather than the stated fire-detection pairing. Infrared is not the public-broadcasting system described here.

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