Smoke volatility index is equal to smoke point plus______________________?

Related Mcqs:

1. Smoke point of a test sample of kerosene is found to be 15 mm. On removal of ________________ from it, the smoke point rises to 25 mm?

   A. n-paraffins B. Olefins C. Aromatics D. None of these...

2. Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatization by liquid SO2 extraction (Edeleanu process), its smoke point may become _______________________ mm?

   A. 5 B. 10 C. 25 D. 100...

3. Smoke point of a good burning kerosene may be around _______________ mm?

   A. 0-5 B. 20-25 C. 60-75 D. 100-120...

4. Smoke point of kerosene is the_______________?

   A. Time after which smoking starts on burning B. Temperature at which smoking starts C. Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp D. None of these...

5. Smoke point of kerosene expresses its__________________?

   A. Burning characteristics B. Luminosity characteristics C. Aromatic content directly D. Lamp wick wetting characteristics...

6. 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....

7. Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its_________________?

   A. Molecular weight B. Aromatics content C. Both A. & B. D. Neither ‘a’ nor ‘b’...

8. Water separometer index (modified) (WSIM) of a petrofuel is the measure of its____________________?

   A. Emulsification tendency B. Water separation characteristics C. Water content D. Water absorbing capacity from atmosphere...

9. Viscosity index of a lubricating oil_________________?

   A. Is the measure of its flash point B. Is the measure of variation of viscosity with temperature C. Should be low D. None of these...

10. Diesel index is defined as_________________?

    A. (°API) × (Aniline Point, °F)/100 B. (°API) × (Aniline Point, °C)/100 C. (°API) × (100)/Aniline Point, °F D. (°API) × (100)/Aniline Point, °C...