The GATE Grind

GATE 2020 CE (CE2) – Question 42

Highway Pavements · Highway materials and tests · 2 marks · Multiple choice

Match Group I tests P soundness, Q crushing, R Los Angeles abrasion, S stripping value to Group II properties 1 strength, 2 weathering resistance, 3 adhesion, 4 hardness.

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

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Correct answer: (B) P-2, Q-1, R-4, S-3

Explanation

Soundness measures weathering resistance(2);crushing test measures strength(1);Los Angeles abrasion measures hardness/wear resistance(4);stripping measures aggregate–binder adhesion(3). Hence **P2,Q1,R4,S3,B**.