Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has__________________?

Related Mcqs:

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...

Sulphur content in lighter and heavier petroleum products is generally determined respectively by _______________?

A. Lamp method and bomb method B. Bomb method and lamp method C. Bomb method and quartz tube method D. Quartz tube method and lamp method...

Pick out the wrong statement ?

A. Alkylation produces a larger iso-paraffin (having higher octane number) from the reaction of an olefin with smaller iso-paraffin B. Catalytic alkylation processes use HF, AlCl3 & H2SO4 as Catalysts C. All the alkylation processes use very high temperature (> 1000°C) D. Gasoline having an octane number of 90 can be produced by alkylation process...

Pick out the correct statement about catalytic polymerisation ?

A. H2SO4 polymerisation process gives gasoline rich in unsaturates B. In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho H3PO4 formation, which are inactive C. Both A. and B. D. Neither A. nor B....

Operating temperature and pressure in catalytic reforming is about_____________?

A. 1-5 Kgf/cm2 & 200°C B. 15-45 Kgf/cm2 & 450-550°C C. 50 – 75 kgf/cm2 & 600 – 800°C D. 5-10 kgf/cm2 & 150 – 250°C...