⟩ In the atmospheric pressure crude distillation, the content of __________ from lighter fraction to heavier ones. A. sulphur increases B. sulphur decreases C. nitrogen decreases D. none of these
Option A
Option A
Pressure & temperature maintained in catalytic cracking is about A. 2atm & 500°C B. 10atm & 500°C C. 30atm & 200°C D. 50atm. & 750°C
Pick out the wrong statement. A. Pensky-Marten apparatus is used for determining flash points above 50°C. B. Characterisation factor of paraffinic crude oil is more than 12. C. Abel apparatus is used for determining flash points below 50°C. D. An oil having high susceptibility to change in viscosity with temperature changes, has a high viscosity index.
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.
Highest quality bitumen is produced from the __________ crude oil. A. paraffinic B. naphthenic C. intermediate D. mixed
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
Ethyl mercaptan is a/an __________ compound. A. sulphur B. nitrogen C. oxygen D. none of these
Which of the following has the lowest cetane number? A. Aromatics B. i-paraffins C. Naphthene D. Olefins E. n-paraffins
A typical yield of kerosene in straight run distillation of crude oil may be about __________ percent. A. 4 B. 10 C. 18 D. 26
Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners? A. PCM B. Tar C. Light diesel oil D. Low viscosity furnace oil
Which of the following is a non-regenerative fixed bed catalytic reforming process? A. Hydroforming B. Thermofer catalytic reforming C. Platforming D. Hyperforming