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When setting the water level in a feed and expansion cistern what allowance in volume should be made for expansion of the water?
A typical allowance for water expansion in a feed and expansion cistern is around 10%. This extra volume accommodates the expansion that occurs as the water heats up and reduces the risk of overflow or pressure buildup in the system.
What is water expansion?
Water expansion refers to the increase in volume that occurs when water freezes and becomes ice. This expansion is caused by the arrangement of water molecules in a crystalline structure that takes up more space than when the molecules are in a liquid state. This can lead to physical damage such as cracked pipes or containers if water is allowed to freeze in closed spaces.
In terms of thermal expansion why is water unusuel?
Water is unusual in that it expands when it freezes. There are other substances that also do this, but it's not very common. The point of maximum density for water at standard pressure is about 277 K (that's, roughly, 39 degrees Fahrenheit). Both above and below that temperature it expands, and it also expands significantly (by about 10%) as it freezes. Most substances contract when they freeze. The reason for this has to do with hydrogen bonding, which stabilizes a relatively expansive crystal structure for water.
What are disadvantages of anomalous expansion of water?
The anomalous expansion of water refers to the unique property where water expands as it cools below 4 degrees Celsius before reaching its freezing point. One disadvantage of this anomaly is that it can lead to the bursting of pipes and containers as the water inside them expands upon cooling. Additionally, this property can disrupt ecosystems by affecting aquatic life that relies on stable water temperatures. Lastly, anomalous expansion can complicate engineering processes that involve water, such as cooling systems or transportation of liquids in cold environments.
Why the coefficient of volume expansion of the water different with coefficient of volume expansion of the ethanol?
Since there is extensive hydrogen bonding in case of water (two -OH per molecule) unlike ethanol (which has one -OH per molecule) so the intermolecular force difference is there between water and ethanol. Thus the coefficient of volumetric expansion will also be different, 'coz intermolecular force is a direct variable effecting this coefficient......
Why in dead sea ship float easily?
The water of the Dead Sea is unusually salty (even for a sea) and hence, it is also unusually dense.
What should I do if the water level in my toilet bowl is unusually high or low?
If the water level in your toilet bowl is unusually high, you can try adjusting the float valve in the tank to lower the water level. If the water level is unusually low, you can try adjusting the float valve to increase the water level. If these adjustments do not work, you may need to call a plumber to check for any underlying issues.
How do fish behave in small and large spaces?
they dont behave in small or large places because they only behave in the water
What is Anomalous expansion of water?
The expansion of water when it is cooled from four degree centigrade to zero degree centigrade is known as "anomalous expansion of water." The unusual behaviour of water, when it expands below 4° celsius to 0° is called anmalus expansion of water.
What are long periods of unusually low precipitation?
Long periods of unusually low precipitation are called droughts. Droughts can have significant impacts on agriculture, water supply, and natural ecosystems. They can lead to crop failures, water shortages, and ecosystem degradation.
Which is true about water and specific heat It makes water a good solvent. The specific heat is unusually high. it is unusually low. It causes water to heat up easily?
The specific heat of water is unusually high, meaning it can absorb and release a lot of heat before changing temperature. This property also helps to regulate Earth's temperature by moderating climate.
What is the purpose of main engine fresh water expansion tank?
to circulate water in fresh water tank to expansion talk.
When setting the water level in a feed and expansion cistern what allowance in volume should be made for expansion of the water?
A typical allowance for water expansion in a feed and expansion cistern is around 10%. This extra volume accommodates the expansion that occurs as the water heats up and reduces the risk of overflow or pressure buildup in the system.
How do you the salt ammoniumchloride behave in water?
it dissociates
How do ionic solids behave in water?
it melts
What is water expansion?
Water expansion refers to the increase in volume that occurs when water freezes and becomes ice. This expansion is caused by the arrangement of water molecules in a crystalline structure that takes up more space than when the molecules are in a liquid state. This can lead to physical damage such as cracked pipes or containers if water is allowed to freeze in closed spaces.
What is the function of the expansion tank in a hot water heating system?
To allow for the expansion of heated thot water
