A tank holding 13 feet of liquid exerts an hydrostatic pressure on the gauge mounted at the bottom. Calculate the magnitude of it.

How high will the liquid level settle in each vertical tube column when all columns are in a condition of equilibrium?

A type of density gauge called a hydrometer often used to measure the acid concentration in lead-acid battery electrolyte.

Determine the pressure at each port of the DP transmitter during an instrument technician’s step-by-step valve isolation procedure.

Calculate the total upward force exerted on the circular roof of this cylindrical storage tank at the PSV lift pressure.

The electric-driven air compressor has a problem and not starting in the auto mode. Do the troubleshooting and identify the issue.

The air compressor control circuit has a problem and unable to start even when the air pressure is zero PSI.