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Q: Which of the following tests is commonly used to measure the softening point of bitumen?
  • A. Penetration test
  • B. Ring and ball test
  • C. Ductility test
  • D. Flash point test
Correct Answer: Option B - Softening point test–This test is done to determine temperature susceptibility of the bitumen. The ring and ball softening point test is extensively used to evaluate the consistency of bituminous binders.
B. Softening point test–This test is done to determine temperature susceptibility of the bitumen. The ring and ball softening point test is extensively used to evaluate the consistency of bituminous binders.

Explanations:

Softening point test–This test is done to determine temperature susceptibility of the bitumen. The ring and ball softening point test is extensively used to evaluate the consistency of bituminous binders.