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When is resistance desirable?
resistance is useful when a plane is flying in the air, air resistance. it is also useful when a boat is floating on water, water resistance.
What is Propulsion resistance?
Propulsion resistance refers to the resistance encountered by a vessel or vehicle as it moves through a fluid, such as water or air. This resistance is primarily due to the friction between the fluid and the surface of the vessel, as well as the pressure differences created by its motion. In maritime contexts, propulsion resistance is a key factor in determining the efficiency of a ship's propulsion system, affecting fuel consumption and speed. It can be influenced by factors such as hull design, speed, and the viscosity of the fluid.
What is the difference between roof water resistance and waterproof asphalt felt?
Roof water resistance is your roof's resistance to rain where waterproof asphalt felt is the actual waterproof material.
What should be the insulation resistance in a electrical circuit?
As we know thath insulators are the materials which are mainly use to insulate any conducting body from the LIVE supply whether 3Ph or single phase, so the reristence of such an insulator should be infinity as it should be provide maximum resistance to the flow of current through it.
Why is your cold tap water misty?
Cold tap water is not itself misty. Rather, the cold temperature condenses water vapour in the air onto a conducting surface, such as a glass, a pipe, or a porcelain toilet tank.
How can be improve water vapour diffusion factor increasing in rubber foam?
To improve water vapor diffusion factor in rubber foam, you can consider incorporating hydrophobic additives or coatings to repel water molecules, adjusting the foam's pore structure to reduce pathways for water vapor diffusion, or utilizing specialized manufacturing techniques to enhance water vapor resistance. Conducting thorough research on materials and structures suitable for water vapor barrier properties is key to achieving this improvement.
What is the major factor affecting the amount of water vapour?
The major factor affecting the amount of water vapour is temperature.
Why is diffusion of water vapour not an example of osmosis?
Osmosis is the movement of water molecules but water must also be in the liquid state and move across a semi-permeable membrane. Water as water vapour acts like a gas so this cannot be called osmosis.
What 4 things can you find at home that is diffusion?
ice turns to water waters turns to water vapour and then vapour is turned into water again
What has the author Walter Althof written?
Walter Althof has written: 'The diffusion of water vapour in humid air into adhesive layer of bonded metal joints ='
Is the mass diffusivity of air in water vapour equal to that of water vapour in air?
No, the mass diffusivity of air in water vapor is different from the mass diffusivity of water vapor in air. The diffusivity of a substance in a medium depends on various factors such as temperature, pressure, and molecular weights of the substances involved, leading to different diffusion rates in different directions.
What is water turned into gas called?
It is called water vapour or simply vapour.
what is the molecular mass of water vapour?
The molecular mass of water vapour is 18.01528
Why can you see clouds but not water vapour in the air?
It is because water vapour is air so it can't be seen but when we breath out in the mirror,water vapour is found.
What does water vapour do?
Water Vapour is a colourless, odourless gas which is made of tiny water droplets.
what does water vapour?
Water Vapour is a colourless, odourless gas which is made of tiny water droplets.
How a change in medium water to gelatin would affect the rate of diffusion?
A change in medium water to Gelatin would affect the rate of diffusion dramatically. The change from water to gelatin would slow down the rate of diffusion.
