The pressure of steam generated in a boiler as recorded by the Bourdon pressure gauge was 2.2 kg/sq-cm. If the barometer reads 774 mm of mercury the absolute pressure of steam would be
A.0.2 kg/sq-cm
B.9.774 kg/sq-cm
C.77.4 mm of Hg
D.3.2526 kg/sq-cm
E.1.025 kg/sq-cm