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What is the Difference between pressure indicator and pressure gauge?
Pressure Indicator is any instrument that indicates pressure. Pressure Gauge is also a type of pressure Indicator. It is a mechanical device. Pressure indicators can work on mechanical deflection (in case of pressure gauge) or Piezo electric effect, change in capacitance, change in inductance etc. These are generally digital type instruments.
How does a change in one quantity affect the change in other quantities?
Feedback in general is the process in which changing one quantity changes a second quantity, and the change in the second quantity in turn changes the first.Positive feedback amplifies the change in the first quantity while negative feedback reduces it.....
How many molecules are in one cubic meter of air?
That depends on the pressure and temperature of the air in the cubic meter. Any time you change the pressure or the temperature of a gas, you change the number of molecules in one cubic meter of it.
Does inflation rate changes month after month or year after year?
It may change, yes.
Dilating a triangle changes the size of the size of the triangle but does not change its shape?
Yes.
What is changes in pressure?
Pressure is not a change, it is a characteristic.
What are the changes that may accompany a chemical changes?
- a change in color -a change in odour -bubbling -a change of state (eg. solid to liquid, gas to liquid, etc.) either one or a combination of these things can indicate a chemical change.
Why air pressure changes?
because of change in its temperature
How does the pressure change from Death Valley to the mountaintops?
the air pressure changes based on elevation
Does the Viscosity changes with the temp and pressure?
The viscosity of a substance will change with both temperature and pressure. For liquids the changes induced by a change in temperature are usually more readily observed than the changes from pressure because liquids are only slightly compressible with pressure. In gasses, the changes in viscosity with pressure are much more easily demonstrated because gases are, almost by definition, quite compressible so that the density can be easily changed by either changes in pressure or changes in temperature.
Matter changes state because of?
Matter changes state because of temperature and pressure. These quantities bring change.
What is needed for a solid to sublime and what changes of state occur?
pressure and the change of state is chemical
What are the changes in states?
The following will change state from solid to liquid.
How will pressure of an object will change if its area is doubled?
It won't. The pressure within a hollow object may change if the surface area changes, hence the volume. The total pressure acting on the exterior of a solid object may change if the total surface area changes.
How will the pressure of an object change if area is doubled?
It won't. The pressure within a hollow object may change if the surface area changes, hence the volume. The total pressure acting on the exterior of a solid object may change if the total surface area changes.
Change in air pressure make sound?
No, the atmospheric pressure changes much too slowly.
Does the air pressure change during the formation of a hurricane and why is that important?
yes the air pressure changes
