Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because__________________?
Correct answer: B. It reduces viscosity and imparts fluidity for its transportation through pipelines at economic
- A. Its calorific value is very less
- B. It reduces viscosity and imparts fluidity for its transportation through pipelines at economic
- C. Tar neutralises the residual acids present in pitch
- D. pressure drop
- E. All A, B. and C.
Explanation
Pitch is highly viscous at ordinary temperatures, so mixing it with creosote oil lowers its viscosity and makes pumping through pipelines practical. Its calorific value is not the main reason for this treatment.
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