Crude petroleum oil is a _______________ fuel?
Crude petroleum oil is a _______________ fuel? A. Primary B. FossilC. Both A. & B. D. Secondary
Crude petroleum oil is a _______________ fuel? A. Primary B. FossilC. Both A. & B. D. Secondary
Specific gravity of a petroleum product gives an indication of its _________________? A. Degree of refinementB. Hydrocarbon content type (aromatic or paraffinic) C. Ease of atomisation D. Sulphur content
Solvent used in duo-sol extraction for lube oil upgradation is a mixture of______________? A. Propane & phenol-cresol mixture B. Methyl ethyl ketone & glycol C. Phenol & furfural D. Propane & liquid sulphur dioxide
Name the endothermic reaction out of the following ? A. Catalytic cracking B. HydrocrackingC. Dehydrogeneration of Naphthene to produce aromatic D. Catalytic polymerisation
Operating temperature and pressure in catalytic reforming is about_____________? A. 1-5 Kgf/cm2 & 200°CB. 15-45 Kgf/cm2 & 450-550°C C. 50 – 75 kgf/cm2 & 600 – 800°C D. 5-10 kgf/cm2 & 150 – 250°C
Which of the following has the lowest viscosity (at a given temperature) of all ? A. Naphtha B. Kerosene C. Diesel D. Lube oil
Presence of sulphur in gasoline___________________? A. Leads to corrosion B. Increases lead susceptibility C. Decreases gum formation D. Helps during stabilisation
Higher viscosity of lubricating oil usually signifies_______________________? A. Lower Reid vapour pressure B. Higher acid numberC. Higher flash point and fire point D. Lower flash point and fire point
Smoke volatility index is equal to smoke point plus______________________? A. 0.42 × (% distilled at 204°C) B. 5 mm C. 0.84 × (% distilled at 204°C) D. 10 mm approximately
Diesel index (an alternative index for expressing the quality of diesel) is_______________? A. Determined by using a test engine B. Not related to aniline pointC. Equal to cetane number plus 3 D. All A., B. & C.