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the metal ring that covers the holes is called the 'Throat'

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Q: What controls the air flow to a Bunsen burner?
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Related questions

What controls air flow in a Bunsen-burner?

the air valve at the base of the burner


What is the function of Bunsen burner sleeve?

It controls the air/gas mixture.


Air inlets of a Bunsen burner?

The air inlet is on the burner tube; the flow is regulated with a rotating barrel.


What are the functions of the parts of a Bunsen burner?

The parts of a Bunsen burner include: the barrel, gas hose, base, collar, air hole and gas flow valve. The Bunsen burner is a small adjustable gas burner that is mainly used in scientific laboratories.


What is the thing used to control the air flow in a Bunsen burner called?

It is called the collar.


Function Bunsen burner?

A Bunsen burner focuses a lot of heat straight upward, instead of outward. This allows you to heat something up at close range without your hand or anything else getting too hot. Most Bunsen burners have a valve that controls gas flow and adjustable vents where you can control the amount of air that feeds the flame. Bunsen burners are a safe, practical way to apply heat in a chemistry lab.


Parts of a Bunsen burner adjusted?

There are two adjustable parts on the Bunsen burner, the knob to control gas flow and the rotation of the collar to control air flow. The gas flow control, adjusts the size of the flame by controlling how much gas is burned. While the collar controls the intensity of the flame by controlling how completely the gas burns, more complete combustion the hotter the flame. These are the two parts to adjust a Bunsen burner, I hope I have answered your question.


Uses of needle valve in Bunsen burner?

The needle valve is used to control the amount of gas flowing to the burner. The air valve controls the amount of air.


What is the function of the barrel of a Bunsen burner?

Control of the ratio gas fuel/air in the burner.


How does adjusting the barrel on the Bunsen burner affects the flame?

The bottom of a Bunsen burner contains holes that allow air flow. When there is no air flow, the temperature of the flame will be hotter. With the holes wide open, the flame will not be as hot.


What is the temperature of the Bunsen burner regulated by?

The temperature of a Bunsen burner is regulated by gas and airflow. The gas is controlled by a flow valve and the air is controlled by a screw mechanism on the collar. Different type of nozzles can control the flame's shape. The Bunsen burner was invented in 1855 by Robert Wilhelm Bunsen (1811-1899).


Different kinds of burner?

Three types of laboratory burners are the Tirrill Burner, Bunsen Burner, and the Meker Burner. The Tirrill and Meker Burner have air and gas adjustments while the Bunsen Burner has only an air adjustment. Hope that helps.