Petroleum Refinery Engineering Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is More than 100 Between 50 and 100 Round about 100 Less than 25 More than 100 Between 50 and 100 Round about 100 Less than 25 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Breathing loss on storage of gasoline occurs due to the Presence of unsaturated air Fluctuation of ambient temperature during day and night Neither A nor B Both A & B Presence of unsaturated air Fluctuation of ambient temperature during day and night Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Flash point of atmospheric distillation residue is determined by __________ apparates. Cleveland (open cup type) Abel None of these Pensky-Martens (closed cup type) Cleveland (open cup type) Abel None of these Pensky-Martens (closed cup type) ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm² is maintained during cracking mainly to Reduce gum content in gasoline Enhance the octane number of gasoline Increase the yield of light distillates Suppress coke formation Reduce gum content in gasoline Enhance the octane number of gasoline Increase the yield of light distillates Suppress coke formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Both asphalt and wax are produced by __________ base crude oils. Mixed Paraffin Naphthenic Asphalt Mixed Paraffin Naphthenic Asphalt ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Aniline point is the temperature at which Equal weight of diesel & the aniline are completely miscible Equal volume of aniline & the test sample are completely miscible Aniline vaporises Equal weight of aniline & the test sample are completely miscible Equal weight of diesel & the aniline are completely miscible Equal volume of aniline & the test sample are completely miscible Aniline vaporises Equal weight of aniline & the test sample are completely miscible ANSWER DOWNLOAD EXAMIANS APP
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