1. In a pipeline the pressure of gas is measured with a mercury manometer having one end open to atmosphere. If the difference in the height of mercury in the two legs is 550 mm, calculate the gas...

1. In a pipeline the pressure of gas is measured with a mercury manometer having one end open to atmosphere. If the difference in the height of mercury in the two legs is 550 mm, calculate the gas pressure in bar, (PHg= 13,640 km).