oil field 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..

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..

Fossil fuels and hydroelectric sources are the most readily available and the most widely used sources of energy around the world. In India, most of our population is rural based and uses wood or coal, about 75% of the population uses wood as a domestic fuel. This has led to a large-scale cutting ..

>(vi) It is used by the chemical, petroleum, and paint industries to provide inactive atmosphere to prevent fires or explosions. (vii) It is used in the industrial preparation of ammonia, which is converted into ammonium salts, nitric acid, urea, calcium cyanamide fertilizers etc. (viii) Liquid nit..

All materials are broadly classified into two categories, one conductors and other insulators. When a conductor is placed in a electric field, there is a large scale of physical movement of free electrons, within the conductor and they move out only if we make arrangements for it. Insulat..

Small drops of oil formed by a sprayer are allowed to fall in between a positively charged upper metal plate and a negatively charged lower metal plate. The space between the two plates is irradiated with X-rays. This displaces some electrons of the air molecules, which consequently get ..

Heredity depends upon the protoplasmic continuity between the parent and the offspring. It is the gametes that establish the continuity between parent and offspring and hence, the mechanism of inheritance operates across this exceedingly slender protoplasmic bridge. The machinery of inher..

Earths surface is made up of large number of mountains and valleys. They were naturally made during the cooling of earth's surface during earth's formation. Mountains and valleys are responsible for river systems as well as many other climatic features including rainfall and its pattern. They form..

Large amount of fossil fuels are burnt everyday in power stations to heat up water, to produce steam which further runs the turbines to generate electricity. The transmission of electricity is more efficient than transporting coal or petroleum over the same distance. Therefore, many thermal po..