Petroleum Refinery Engineering Pressure & temperature maintained in catalytic cracking is about 10atm & 500°C 50atm. & 750°C 30atm & 200°C 2atm & 500°C 10atm & 500°C 50atm. & 750°C 30atm & 200°C 2atm & 500°C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude topping column operates at __________ pressure. 10 atm Atmospheric 3 atm Vacuum 10 atm Atmospheric 3 atm Vacuum ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm. 10000 1 50 5000 10000 1 50 5000 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is a non-regenerative fixed bed catalytic reforming process? Platforming Thermofer catalytic reforming Hydroforming Hyperforming Platforming Thermofer catalytic reforming Hydroforming Hyperforming ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Dearomatisation of kerosene (by liquid sulphur dioxide extraction) is done to Improve its oxidation stability Increase its smoke point None of these Decrease the breathing loss Improve its oxidation stability Increase its smoke point None of these Decrease the breathing loss ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke point of a test sample of kerosene is found to be 15 mm. On removal of __________ from it, the smoke point rises to 25 mm. None of these Olefins Aromatics N-paraffins None of these Olefins Aromatics N-paraffins ANSWER DOWNLOAD EXAMIANS APP
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