1 centistoke is equal to __________ Redwood I seconds. 0.408 4.08 40.8 1 TRUE ANSWER : ? YOUR ANSWER : ?
Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene. Smoking tendency of paraffins increases with decrease in its molecular weight Smoking tendency of hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics Smoking tendency of aromatics decreases with increase in its molecular weight Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond TRUE ANSWER : ? YOUR ANSWER : ?
Diesel index.(an alternative index for expressing the quality of diesel) is Equal to cetane number plus 3 Determined by using a test engine Not related to aniline point All of these 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. 1 20 100 500 TRUE ANSWER : ? YOUR ANSWER : ?
Aromatics have the highes __________ of all the hydrocarbons of same carbon atoms. Cetane number Viscosity Octane number Smoke point TRUE ANSWER : ? YOUR ANSWER : ?
The first crude oil refinery of India is located at Madras Digboi Naharkatiya Kochin TRUE ANSWER : ? YOUR ANSWER : ?
Pressure & temperature maintained in catalytic cracking is about 30atm & 200°C 50atm. & 750°C 10atm & 500°C 2atm & 500°C TRUE ANSWER : ? YOUR ANSWER : ?
Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is Methyl ethyl ketone (MEK) Aqueous solution (10% water) of diethylene glycol Propane Diethylene glycol TRUE ANSWER : ? YOUR ANSWER : ?
Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of __________ kcal/kg. 1000-1500 250-350 600-750 2000-2500 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following has the lowest cetane number? Olefins I-paraffins Naphthene Aromatics TRUE ANSWER : ? YOUR ANSWER : ?