649Civil EngineeringMedium
The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm”. The pressure at 2.5 m below the oil surface will be ________?
A2 meters of water column
B4 m of water column
C3 meters of water column
D3.5 meters of water column
Enone of the above
Correct answer
C. 3 meters of water column
Explanation
The correct answer is 3 meters of water column.