Which of the following is desirable in diesel and kerosene but is undesirable in gasoline ?

Related Mcqs:

1. Which of the following is desirable in petrol (gasoline) but undesirable in kerosene ?

   A. Paraffins B. Aromatics C. Mercaptans D. Naphthenic acid...

2. Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than ________________ mg/kg of kerosene?

   A. 1 B. 20 C. 100 D. 500...

3. Which is the most undesirable component in kerosene ?

   A. Aromatics B. i-paraffins C. n-paraffins D. Naphthenes...

4. Which of the following reactions is undesirable in the production of catalytically reformed gasoline ?

   A. Dehydrogenation of Naphthene B. Dehydrogenation of lower paraffins C. Dehydrocyclization of higher paraffins D. Isomerisation of paraffins...

5. Which is the most desirable component of a good quality kerosene ?

   A. i-paraffins B. Aromatics C. n-paraffins D. Naphthenes...

6. Pyrolysis of kerosene or natural gasoline is done to produce mainly the___________________?

   A. Olefins and aromatics B. Lighter paraffins C. Stabilised gasoline D. Diesel...

7. Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses _______________ as catalyst?

   A. Bauxite B. Fuller’s earth C. Activated clay D. All A., B. & C....

8. Gasoline extracted from natural gas (by compression and cooling) is called the ___________ gasoline?

   A. Polymer B. Unleaded C. Casing head D. Straight run...

9. 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...

10. Equal volumes of aniline and diesel oil when mixed at room temperature (during summer) was found to be completely miscible. It means that the aniline point of the diesel is _______________ the room temperature?

    A. More than B. Less than C. Same as D. Either more or less; depends on the room temperature...