Main boring diameter for petroleum well is 20-30 cms in diameter, while the depth of the oil well may be about _____________ kms?

Related Mcqs:

In catalytic cracking, the___________________?

A. Gasoline obtained has a very low octane number B. Pressure & temperature is very high C. Gasoline obtained has very high aromatic content D. Gasoline obtained has very high amount of gum forming compounds...

Most commonly used crude heater before the fractionation tower in a refinery is the ______________ heater?

A. Electric immersion B. Pipestill C. Steam coil D. None of these...

Aromatics have the highest ________________ of all the hydrocarbons of same carbon atoms?

A. Smoke point B. Octane number C. Cetane number D. Viscosity...

Which of the following petroleum products contain minimum sulphur ?

A. Naphtha B. Kerosene C. LSHS D. Furnace oil...

Which of the following is used as a catalyst in fluidised bed catalytic cracking ?

A. Silica-magnesia B. Silica-alumina C. Bentonite clays D. All A., B. and C....