Question

the system side of an open u-tube manometer is 48 mm lower than the open side. What is the pressure of the system?
DrBob222
Is the pressure of the system side 48 mm higher or 48 mm lower than atmospheric pressure.
Ashley
Since the mercury is higher on the open side, then the system is 48 mm higher than atmopheric pressure (48+760=808 mm Hg)