Thermodynamics Question 9 Follow Link Below httpimgurcomDS4H

Thermodynamics

Question 9: Follow Link Below

http://imgur.com/DS4HPQG

Solution

If \"h\" is the barometric reading, \"d\" is the density of mercury and \"g\" is the acceleration due to gravity, then the pressure P is given by,

P = hdg

Given h =745mm = 0.745m; g = 9.8ms^-2d=13600 kg/m³;

P = 0.745*9.8*13600 = 99293.6 Nm^-2 = 99.3 kPa (Answer)