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The American Petroleum Institute (API) scale on hydrometers is an arbitrary scale based on Relative Density (Specific Gravity) where - API = (141.5 divided by the Relative Density at 60oF) - 131.5

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Why is a Richter scale called the Richter scale?

The Richter Magnitude Scale is a system used to measure the quantity of energy released during an earthquake. It measures the earthquakes magnitude- energy released. It was Developed in 1935 by Charles F Richter of the California Institute of Technology. As his creation, it was named after him. And that's how it got the name 'Richter Scale'. Hope that helped. yea


When was the Richter scale discovered?

The Richter scale for indicating the amount of seismic energy in an earthquake was developed by Charles Richter in collaboration with Beno Gutenberg in 1935 at the California Institute of Technology.


Which are light liquids?

By using API gravity value of a liquid we can check that how a liquid is lighter or haavior one.First we should know about API gravity.The American Petroleum Institute gravity, or API gravity, is a measure of how heavy or light a liquid is compared to water. If its API gravity is greater than 10, it is lighter and floats on water; if less than 10, it is heavier and sinks. API gravity is thus an inverse measure of the relative density of a petroleum liquid and the density of water, but it is used to compare the relative densities of petroleum liquids. For example, if one petroleum liquid floats on another and is therefore less dense, it has a greater API gravity. Although mathematically, API gravity has no units (see the formula below), it is nevertheless referred to as being in "degrees". API gravity is graduated in degrees on a hydrometer instrument. The API scale was designed so that most values would fall between 10 and 70 API gravity degrees.M.Hassan Haq NawazB.sc. Chemical Engg,University Of Gujrat,Pakistan


Which of these - bauxite coal iron ore copper tin silver zinc diamonds natural gas petroleum gold uranium lead nickel or tungsten mineral sands is more available?

Coal, iron ore, natural gas, and petroleum are generally more abundant and widely available compared to the other minerals listed. These minerals are commonly mined on a large scale to meet global energy and industrial demands.


Why are Richter scales called Richter Scales?

Richter scales are named after Charles F. Richter, an American seismologist who developed the scale in 1935. The scale measures the magnitude of earthquakes based on the amplitude of seismic waves recorded on seismographs.

Related Questions

How do hydrometers work to measure the density of liquids?

Hydrometers work by measuring the buoyancy of a liquid to determine its density. The hydrometer is a weighted glass tube with a scale inside. When placed in a liquid, the hydrometer floats at a certain level depending on the liquid's density. The scale on the hydrometer then indicates the density of the liquid based on where it is floating.


When was University of the Philippines Institute for Small Scale Industries created?

University of the Philippines Institute for Small Scale Industries was created in 1966.


What does api grade means?

API grade refers to the classification of crude oil and other petroleum products based on their specific gravity, as measured by the American Petroleum Institute (API). The API gravity scale indicates how light or heavy a crude oil is: higher API gravity means lighter oil, while lower values indicate heavier oil. This classification helps in assessing the oil's quality, potential uses, and economic value in the market.


What is the Hydrometer made of?

Hydrometers can be made of many, various substances. Brewers hydrometers used professionally, are made of brass. Ones used for aquariums have been made of plastic. The popular, general purpose, kind used in laboratories, would probably be made of glass. Glass is cheap and easy to be made and does not react with many chemicals.


What is the rating scale of volcanoes?

The Richter scale which was invented in the 1930s by Dr. Charles Richter, a seismologist at the California Institute of Technology.


Why is a Richter scale called the Richter scale?

The Richter Magnitude Scale is a system used to measure the quantity of energy released during an earthquake. It measures the earthquakes magnitude- energy released. It was Developed in 1935 by Charles F Richter of the California Institute of Technology. As his creation, it was named after him. And that's how it got the name 'Richter Scale'. Hope that helped. yea


When was the Richter scale discovered?

The Richter scale for indicating the amount of seismic energy in an earthquake was developed by Charles Richter in collaboration with Beno Gutenberg in 1935 at the California Institute of Technology.


What scale are American dolls?

Their 18" inches,


Who did Charles F. Richter work with to create the Richter scale?

He worked with Beno Gutenberg, a seismologist at the California Institute of Technology to create the Richter scale. Please see the related links.


How many 0s are in sixtillion?

American scale= twenty one British scale= thirty nine


Who invented rictar scale?

Developed in 1935 by Charles Richter in partnership with Beno Gutenberg, both of the California Institute of Technology


WHAT IS PHIVOLCS MAGNITUDE SCALE?

The PHIVOLCS Magnitude Scale is a local magnitude scale developed by the Philippine Institute of Volcanology and Seismology (PHIVOLCS) for measuring the size of earthquakes specifically in the Philippines. It is similar to the Richter scale but is calibrated to account for local geology and seismic waves. The scale provides a numerical value that quantifies the energy released by an earthquake.