Petroleum Refinery Engineering Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about 3.5 0.1 1 2.5 3.5 0.1 1 2.5 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering An upper limit of oil content is limited to about __________ percent for achieving efficient and satisfactory level of wax sweating. 60 15 40 5 60 15 40 5 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxy crudes are treated with chemical additives mainly to Depress its pour point Remove wax Dissolve wax Precipitate wax Depress its pour point Remove wax Dissolve wax Precipitate wax 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. 5000 10000 1 50 5000 10000 1 50 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In sweetening process, solutizer agent used with caustic alkali is Phenol Sodium plumbite Methanol Potassium isobutyrate Phenol Sodium plumbite Methanol Potassium isobutyrate ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans is represented as (where R and R' are alkyl groups) R-S-R R-S-H R-S-R' R-COOH R-S-R R-S-H R-S-R' R-COOH ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS