Flash point of atmospheric distillation residue is determined by ______________ apparatus?

Related Mcqs:

1. Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C ?

   A. Naphtha B. Petrol C. Kerosene D. Heavy fuel oil...

2. Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of ____________________?

   A. Thermal cracking B. Gum formation C. Coking D. Discoloration...

3. Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil__________________?

   A. Gives higher yield of petrol B. Lower octane number of petrol C. Higher sulphur content in the product D. Higher gum forming material in petrol...

4. Flash point of diesel/kerosene (>50°C) is determined by the_______________?

   A. Abel apparatus B. Pensky-Martens apparatus C. Saybolt chromometer D. None of these...

5. Flash point of an oil is determined by the _____________________?

   A. Pensky Martens apparatus B. Ramsbottom apparatus C. Saybolt viscometer D. Conradson apparatus...

6. For gasoline, the flash point (<50°C) is determined by the______________________?

   A. Abel apparatus B. Pensky-Marten’s apparatus C. Saybolt chromometer D. None of these...

7. Flash point of motor gasoline may be around ______________ °C?

   A. 10 B. 45 C. 100 D. 150...

8. Bottom product of atmospheric pressure crude oil distillation column is termed as________________?

   A. Reduced crude B. Heavy ends C. Asphalt D. Residuum...

9. In the atmospheric pressure crude distillation, the content of _____________ from lighter fraction to heavier ones?

   A. Sulphur increases B. Sulphur decreases C. Nitrogen decreases D. None of these...

10. Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about _______________ mm Hg (absolute)?

    A. 5-10 B. 30-80 C. 150-250 D. 350-400...