Fuel oil is subjected to visbreaking to reduce its_______________?
Correct answer: D. All A., B. and C.
- A. Pour point
- B. Viscosity
- C. Pressure drop on pumping
- D. All A., B. and C.
Explanation
Visbreaking mildly cracks heavy fuel oil, lowering its viscosity and usually its pour point. The lower viscosity also reduces resistance and pressure drop during pumping, so all three effects apply.
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