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1. |
If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.1 kg/cm 2 , the pressure at a depth of 2.5 m, is |
A. | 1 metre of water |
B. | 2 metres of water |
C. | 3 metres of water |
D. | 3.5 metres of water |
Answer» D. 3.5 metres of water | |