__________ test is done to find out the softening point of bitumen.
A. Impact
B. Ball and ring
C. Flame
D. Viscosity
Answer: Option B
Related Questions on Petroleum Refinery Engineering
Aniline point test of an oil qualitatively indicates the __________ content of an oil.
A. Paraffin
B. Olefin
C. Aromatic
D. Naphthene
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