The GATE Grind

GATE 2021 CE (CE2) – Question 26

Highway Pavements · Highway materials and tests · 1 mark · Multiple choice

The softening point of bitumen has the same unit as

  1. distance
  2. temperature
  3. time
  4. viscosity

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Show answer and explanation

Correct answer: (B) temperature

Explanation

The ring-and-ball softening point is the temperature at which bitumen reaches a specified deformation under the test conditions. It is reported in degrees Celsius, not a distance, duration or viscosity unit. **Answer: B.**