Petroleum Refinery Engineering Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of Discoloration Gum formation Thermal cracking Coking Discoloration Gum formation Thermal cracking Coking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering A multigrade lubricating oil means an oil having high Aniline point Viscosity index Viscosity Flash point Aniline point Viscosity index Viscosity Flash point 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 1 3 4 2 1 3 4 2 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude oil is pumped by a __________ pump. Gear Screw Reciprocating Centrifugal Gear Screw Reciprocating Centrifugal ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Older crude petroleum Is light and better Gives more distillates Gives less tar All of these Is light and better Gives more distillates Gives less tar All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pressure maintained in the high pressure primary tower of a three stage crude oil distillation system is about __________ kg/cm² . 6 1.5 12 3 6 1.5 12 3 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS