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 10000 50 5000 1 10000 50 5000 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following additives improves the cetane number of diesel? Napthenic acid Ethyl mercaptan Amyl nitrate Tetra ethyl lead Napthenic acid Ethyl mercaptan Amyl nitrate Tetra ethyl lead ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is the most widely used cracking process in oil refineries? Houdry's fixed bed process Fluidised bed catalytic cracking process T.C.C. moving bed process Dubbs process Houdry's fixed bed process Fluidised bed catalytic cracking process T.C.C. moving bed process Dubbs process ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Products drawn from the top to bottom of the crude oil distillation column has progressively increasing Molecular weight Boiling points All of these C/H ratio Molecular weight Boiling points All of these C/H ratio ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In solutizer sweetening process, solutizer solution used is Methanol in Unisol process Both A & B Neither A nor B Naphthenic acid in Mercapsol process Methanol in Unisol process Both A & B Neither A nor B Naphthenic acid in Mercapsol process ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude petroleum oil is a __________ fuel. Secondary Primary Fossil Both A & B Secondary Primary Fossil Both A & B ANSWER DOWNLOAD EXAMIANS APP
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