Gauge redundancy arises in physical theories when certain configurations are physically equivalent. Symmetry, on the other hand, refers to invariance of a physical system under a transformation. In gauge theories, the gauge redundancy leads to local symmetries that leave physical observables unchanged.
If the force gauge isn't moving, the the net force must needs be zero.
A screw gauge is a device used to measure small dimensions such as diameter of a wire or thickness of a sheet by turning a calibrated screw. A spherometer is a tool used to measure the curvature of a surface, particularly the radius of curvature of a lens or the focal length of a mirror, by placing it on the surface and measuring the height of the center point relative to the outer points. Essentially, a screw gauge measures linear dimensions, while a spherometer measures curvature.
To calculate the deflection of a dial gauge with a least count of 0.01mm, you read the measurement indicated by the needle on the dial gauge after it has been set to the initial position. The deflection is the difference between the initial reading and the final reading on the dial gauge. Deflection = Final reading - Initial reading.
An instrument is a device used for measuring or monitoring a particular quantity or level, while a gauge specifically refers to a device used for measuring pressure or depth. In general, an instrument has a broader application, encompassing various types of measurement devices, while a gauge is more specialized in its use.
A photohelic gauge measures and displays pressure differentials and can also control devices based on those readings. A magnahelic gauge, on the other hand, measures positive, negative, and differential pressures but does not have control capabilities.
20 gauge is larger
The size of the bore.
A pressure gauge indicates actual pressure and a differential pressure gauge indicates the difference in pressure.
Size of the bore.
16 gauge is thicker than 18 gauge.
12 has a bigger bore.
Size of the bore. 12 gauge is bigger.
Size of bore, size of ammuntion
They are different sizes.
26 gauge is your common metal mailbox 26 gauge is comparable to the skin on an elevator door.
The metal of the 17 gauge waste drain is thicker than the 20 gauge.
There is no difference ,both are same tintu puthur joseph