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Why is aerated concrete a better insulator than normal concrete?
Air has a higher specific heat capacity (at 1.0035 J/(g*K)) than concrete (.880 J/(g*K)).Specific heat capacity is the measure of the heat energy required to increase the temperature of a unit quantity of a substance by unit degree (Wikipedia). Because air requires more joules of energy per gram to raise it one degree Kelvin than concrete does, it is therefore a better insulator.
Are ductless air conditioners better than ones with ducts?
Ductless air conditioners are not better than ones with ducts. The reason why ductless air conditioners are not better than ones with ducts is that they don't remove the hot air as well.
Why is foam a good insulator?
It is made if non conducting material and its structure traps air which is an excellent insulator in its own right
What material is best to keep water warm bubble wrap or plastic sheet?
Bubble wrap is better because it contains air, which is a very good thermal insulator.
Why air conditioned buildings have double walled windows?
Because single pane glass is a lousy insulator. The layer of air between the two panes works as an insulator. This improves energy efficiency
Is air or fiberglass a better insulator?
Fiberglass is a better insulator than air because it has the ability to trap air pockets within its fibers, which reduces heat transfer. This makes fiberglass a more effective thermal insulator compared to the air itself.
Is air a better insulator than fiber glass?
No, fiberglass is a better insulator than air. Fiberglass has a higher R-value, which measures its resistance to heat flow, compared to air. Fiberglass is commonly used as insulation in buildings to improve energy efficiency.
Is air or metal is a better insulator?
Air
Why does a double glass window have argon?
Because argon is a better insulator than air
Is air a better insulator then fiberglass batting?
Fiberglass batting is a more effective insulator than air because it traps pockets of air within its structure, preventing heat transfer. Air alone is not a good insulator as it allows for convection and conduction to occur easily.
Which is the best insulator thermocol or air or cotton or aluminium?
Air is the best insulator among the options listed. It has low thermal conductivity, meaning it does not easily transfer heat. Thermocol, cotton, and aluminium are not as effective as insulators compared to air.
Air is a better insulator than fiberglass batting?
Air itself is not an insulator; rather, pockets of air trapped within a material act as insulation. Fiberglass batting contains millions of tiny air pockets, which slow down the transfer of heat, making it an effective insulator. In comparison, air alone would not provide the same level of insulation as materials like fiberglass batting.
Is wood a better insulator than glass?
No. Wood has more air in it than glass, and air is pretty much accepted to be one of the best insulators ever.
Is the string a better carrier of sound than air?
Yes, solids transmit sound better than gases because their molecules are closer together.
Why oil is better insulator than air?
Oil is a better insulator than air because it has a higher dielectric strength, meaning it can withstand higher electric field before breaking down. Oil also has better heat dissipation properties compared to air, making it more effective in dissipating heat generated by electrical components. Additionally, oil is less compressible than air, providing better insulation against electrical breakdown.
Which substance is the best insulator air glass or silver?
Air is the best insulator of the three substances mentioned (air, glass, and silver) because it is a poor conductor of heat and electricity. Glass is better than silver at insulating heat due to its higher resistance to heat transfer, but both air and glass have better insulating properties than silver. Silver is a good conductor of heat and electricity, making it a poor insulator compared to air and glass.
Will sound be louder in air water or solids?
Sound travels fastest through solids, so it will be the loudest in solids. Water typically carries sound better than air due to its higher density, so sound will be louder in water compared to air.
