Which of the following fractions of a crude oil will have the maximum gravity API (i.e. °API) ?

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Which of the following has the minimum °API gravity of all ?

A. Diesel B. Kerosene C. Petrol D. Furnace oil...

The most widely used crude topping column in refineries is the ______________ column?

A. Bubble-cap B. Packed bed C. Fluidised bed D. Perforated plate...

Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is _______________ centistokes (or 100 Redwood I seconds) ?

A. 5 B. 25 C. 50 D. 100...

The main purpose of recycling the byproduct hydrogen gas in the reformer reactor is to ____________________?

A. Obviate catalyst poisoning B. Maintain the reaction temperature C. Sustain the reactor pressure D. Hydrogenate the feed stock...

Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatization by liquid SO2 extraction (Edeleanu process), its smoke point may become _______________________ mm?

A. 5 B. 10 C. 25 D. 100...