Petroleum Refinery Engineering Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration Neither A nor B Both A & B Less than 90% promotes polymerisation More than 98% promotes cracking Neither A nor B Both A & B Less than 90% promotes polymerisation More than 98% promotes cracking 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. 1 5000 50 10000 1 5000 50 10000 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Gasoline yield in catalytic reforming of naphtha may be about __________ percent by weight. 98 85 65 50 98 85 65 50 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Petroleum is believed to have originated from __________ sources. Both A & B Animal Neither A nor B Vegetable Both A & B Animal Neither A nor B Vegetable ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is __________ centistokes (or 100 Redwood I seconds). 100 50 25 5 100 50 25 5 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Cetane number of alpha methyl naphthalene is assumed to be 100 ∞ 50 100 ∞ 50 ANSWER DOWNLOAD EXAMIANS APP
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