oil and gas operations

Oil and oil wastes enter rivers and other water bodies from different sources such as oil refineries, storage tanks, petro-chemical plants, industrial effluents, oil tanker spillage and automobile waste oil. Normal tanker operations and s..

Natural Gas - It is a mixture of gaseous hydro-carbons. It is found usually along with petroleum deposits. Natural gas consists mainly of 85% methane, 10% of ethane and 3% of propane and butane. It may also contain nitrogen, oxygen, carbon di-oxide and hydrogen sulphide. Its gre..

Recent discoveries of oil and gas - both off shore and on shore - in eastern coast, western coast, river belts of Cauvery, Godavari, Mahanadi as well as traditional oil wells of north eastern states have been of great utility to national economy. India has been found ..

Paula cooked 5 dishes for dinner. She spent 0.25 liters of oil in preparing each dish. Which operation is used to find the total quantity of oil used by her? => subtraction or division or multiplication or addition..

Petroleum gas a by-product from two sources: natural gas processing and crude oil refining is a mixture of butane, propane and ethane. The main constituent of liquefied petroleum gas is, however, propane, propylene, butane, butylene in various mixtures. Thes..

The figure shows the elements of a type of laser that is often found in student laboratories. The glass discharge tube is filled with a 80%-20% mixture of the inert gases helium and neon. Helium is the "pumping" medium and neon is the "lasing" medium. The above figure is a simplified version of the..

The data shows the amount of oil stock in a gas station. Petrol Lubricants Others 45% 30% 25% Which circle graph best displays the data shown in the table? => Figure1 or Figure 2 or Figure 3 or not here..

Oxides of Sulphur - Two of the important oxides of sulphur are sulphur dioxide and sulphur trioxide. Sulphur dioxide is formed by burning sulphur in air or roasting metal sulphides in the presence of air. A large amount of SO 2 gas is released into the atmosphere from coal and oil..

It is produced by incomplete combustion of carbonaceous fossil fuels such as coal, fuel oil, natural gas, wood, etc., due to insufficient supply of oxygen. Soot is the most common particulate injected into the atmosphere through human activit..

(i) Nitrogen is used in high temperature thermometers where mercury cannot be used. This is because mercury boils at 356.7 o C and hence cannot be used in such thermometers. A volume of nitrogen is enclosed in a vessel and introduced into the region of high temperature. Depending upon the temperatu..