Petroleum Refinery Engineering Which of the following is an additive used for improving the cetane number of diesel? Tetramethyllead Ethyl nitrate or acetone None of these Tetraethyl lead Tetramethyllead Ethyl nitrate or acetone None of these Tetraethyl lead ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Performance number of a liquid fuel is related to its Sulphur content Wax content Spontaneous ignition temperature Knocking tendency Sulphur content Wax content Spontaneous ignition temperature Knocking tendency ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The main reaction in reforming is the Hydrogenation of naphthenes Saturation of olefins Hydrocracking of paraffins Dehydrogenation of naphthenes Hydrogenation of naphthenes Saturation of olefins Hydrocracking of paraffins Dehydrogenation of naphthenes ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of Propane & butane Methane & ethane Butane & ethane Methane & carbon monoxide Propane & butane Methane & ethane Butane & ethane Methane & carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octance is chemically known as 2-2-4 tri methyl pentane α-methyl naphthalene Tetra methyl ethylene 1, 3 butadiene 2-2-4 tri methyl pentane α-methyl naphthalene Tetra methyl ethylene 1, 3 butadiene ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is 3 2 1 4 3 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
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