Q. 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 __________________?
a. 2 metres of water column
b. 3 metres of water column
c. 3.5 metres of water column
d. 4 m of water column
e. none of the above
No explanation is available for this question!
