An upper limit of oil content is limited to about __________ percent for achieving efficient and satisfactory level of wax sweating. 5 15 60 40 TRUE ANSWER : ? YOUR ANSWER : ?
Testing of the knocking characteristics of petrofuels is done in a __________ engine. CFR (Co-operative fuel research) Diesel Carnot Stirling TRUE ANSWER : ? YOUR ANSWER : ?
Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene. 500 20 1 100 TRUE ANSWER : ? YOUR ANSWER : ?
H/C ratio (by weight) for the same number of carbon atoms is the highest in case of Olefins Aromatics Naphthenes Paraffins TRUE ANSWER : ? YOUR ANSWER : ?
Pressure & temperature maintained in catalytic cracking is about 2atm & 500°C 30atm & 200°C 50atm. & 750°C 10atm & 500°C TRUE ANSWER : ? YOUR ANSWER : ?
Water separometer index (modified) (WSIM) of a petrofuel is the measure of its Emulsification tendency Water content Water separation characteristics Water absorbing capacity from atmosphere TRUE ANSWER : ? YOUR ANSWER : ?
Clay treatment of petroleum products Desulphurise straight run gasoline & kerosene Decolorises & stabilises cracked gasoline Adsorb arsenic from feedstock to catalytic reforming All of these TRUE ANSWER : ? YOUR ANSWER : ?
LPG when brought to atmospheric pressure & temperature will be a Gas lighter than air Liquid lighter than water Liquid heavier than water Gas heavier than air TRUE ANSWER : ? YOUR ANSWER : ?
Visbreaking process is used mainly for making High cetane diesel Smoke free kerosene Fuel oil High octane gasoline TRUE ANSWER : ? YOUR ANSWER : ?
Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________ ptb (pounds per thousand barrel). 70 3 0.03 35 TRUE ANSWER : ? YOUR ANSWER : ?