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 Enhance the octane number of gasoline Suppress coke formation Increase the yield of light distillates Reduce gum content in gasoline Enhance the octane number of gasoline Suppress coke formation Increase the yield of light distillates Reduce gum content in gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Petrolatum is None of these Petroleum coke A mixture of microcrystalline wax in viscous hydrocarbon liquids Same as petroleum ether None of these Petroleum coke A mixture of microcrystalline wax in viscous hydrocarbon liquids Same as petroleum ether ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency? Naphthenes Iso-paraffins Paraffins Aromatics Naphthenes Iso-paraffins Paraffins Aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The condesate obtained on compression of wet natural gas is termed as Liquid natural gas None of these Liquefied natural gasoline Natural gasoline Liquid natural gas None of these Liquefied natural gasoline Natural gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which one is used to determine the colour of petroleum products? Saybolt chromometer None of these Colour comparator Cleveland apparatus Saybolt chromometer None of these Colour comparator Cleveland apparatus ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke point of kerosene is the None of these Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp Temperature at which smoking starts Time after which smoking starts on burning None of these Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp Temperature at which smoking starts Time after which smoking starts on burning ANSWER DOWNLOAD EXAMIANS APP
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