MCQOPTIONS
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| 1. |
Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because |
| A. | its calorific value is very less. |
| B. | tar neutralises the residual acids present in pitch. |
| C. | it reduces viscosity and imparts fluidity for its transportation through pipelines at economic pressure drop. |
| D. | all (a), (b) and (c). |
| Answer» D. all (a), (b) and (c). | |