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What would happen if you placed the thermometer bulb above the junction of the condenser and the distilling column?
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What is a condenser named after a scientist?
Liebig condenser, Vigreaux column, Snyder column, West condenser, Allihn condenser, Graham condenser, Dimroth condenser, Friedrichs condenser. There are no shortage of these!
How does a glass thermometer works?
As the liquid in the thermometer is heated it expands, and the only way the expanding liquid can go is upward. As the liquid in the thermometer cools, it will contract, and the liquid will fall back down into the resevoir, causing the column of liquid to move downward.
How was the six's thermometer invented?
A combination maximum thermometer and minimum thermometer; the tube is shaped in the form of a U with a bulb at either end; one bulb is filled with creosote which expands or contracts with temperature variation, forcing before it a short column of mercury having iron indexes at either end; the indexes remain at the extreme positions reached by the mercury column, thus indicating the maximum and minimum temperatures; the indexes can be reset with the aid of a magnet.
Why clinical thermometer is jerked before using it again?
If you have an old thermometer that has mercury, then the shaking makes all of the mercury flow to the bottom of the thermometer. Then, you can get a better reading. The current digital ones work differently. Thermometers used for taking people temperatures are a special kind that go up with heat but don't go down with cold. So you have to shake a thermometer before taking your temperature to make the reading go down below your own temperature. Then the thermometer can go up again to read your temperature.
What is fractional distillation of crude oil?
Distillation is the process of heating a mixture of things with different boiling points and then condensing out the product you want. Fractional distillation is the term used when distilling a mix of a number of different things that you desire in a purer form; by knowing the boiling point of each of the different substances yo desire, and by controlling the temperature of the column carefully , you can tap into the rising vapors and select each product by temperature which correlates to the height of the column.
What is a condenser named after a scientist?
Liebig condenser, Vigreaux column, Snyder column, West condenser, Allihn condenser, Graham condenser, Dimroth condenser, Friedrichs condenser. There are no shortage of these!
What is an enriching section in a distillation column?
It is the top section of the distillation column. The section where the vapour leaves the column to the condenser.
What is the minimum anchorage length for reinforcement?
It is the length of the main bar provided at the column beam junction or column footing junction to allow for the development of stresses to its design strength.
What is the use of thermometer in distillation?
1. The thermometer in the still head measures the boiling point of the liquid in the distillate. We can be sure of this because the boiling point of the boiling flask will vary based on how many compounds are in it. The thermometer measures the temperature of the vapor at the top of the column; this vapor will be cooled through the condenser and will condensate in the graduated cylinder at the product end of the apparatus. Therefore we are measuring the boiling point of the distillate vapor that is being condensed and collected.
Why does the substance in the column of the thermometer go up when it is heated?
The substance expands - and the tube (column) constrains it to go upwards.
What are the two substances used in a liquid column thermometer?
iodine and mercury
What is linearity of a thermometer?
Within the thermometer's range of operation, a given temperature difference will result in the same expansion in the column of the thermometric liquid.
What is the cell at the intersection of the third column and the fourth row?
E5 the address of the cell at the junction of the 4th and the 5th column
What is anchorage length?
This is the additional length of steel of one structure required to be inserted in other at the junction. For example, main bars of beam in column at beam column junction, column bars in footing etc. The length requirement is similar to the lap length mentioned in previous question or as per the design instructions.
What is a thin glass tube with a bulb on one end that usually contains a liquid usually mercury or colored alcohol?
This could describe a thermometer. The only thing missing is the graduations. That way the height of the column can be associated with a specific temperature, the one that caused the column to be as high as it is.
How does a glass thermometer works?
As the liquid in the thermometer is heated it expands, and the only way the expanding liquid can go is upward. As the liquid in the thermometer cools, it will contract, and the liquid will fall back down into the resevoir, causing the column of liquid to move downward.
Why do we use coloured alcohol in room thermometer?
The colour makes the alcohol easier to see inside the thin glass thermometer.
