Cetane number of high speed diesel must be ≥_________________?

Related Mcqs:

1. Diesel used in naval applications has a minimum cetane number of ___________________?

   A. 25 B. 35 C. 45 D. 65...

2. Cetane number of a diesel fuel is the measure of its____________________?

   A. Ignition delay B. Smoke point C. Viscosity D. Oxidation stability...

3. Which of the following is an additive used for improving the cetane number of diesel ?

   A. Tetraethyl lead B. Tetramethyllead C. Ethyl nitrate or acetone D. None of these...

4. Cetane number of diesel used in trucks may be about __________________?

   A. 50 B. 14 C. 35 D. 85...

5. Aniline point of high speed diesel may be about ____________ °C ?

   A. 35 B. 70 C. 105 D. 150...

6. 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...

7. Diesel index (an alternative index for expressing the quality of diesel) is_______________?

   A. Determined by using a test engine B. Not related to aniline point C. Equal to cetane number plus 3 D. All A., B. & C....

8. Which of the following has the lowest cetane number ?

   A. Aromatics B. i-paraffins C. Naphthene D. Olefins...

9. Cetane number of alpha methyl naphthalene is assumed to be_________________?

   A. 0 B. 100 C. 50 D. ∞...

10. High aniline point of a petrofuel (say diesel) indicates that ________________?

    A. It is highly aromatic in nature B. It is highly paraffinic in nature C. It has a very low diesel index D. Its ignition quality is very poor...