Diameter - 40 cm force- 4000 N Determine pressure ?

What is the force from water pressure on a dam?

A mercury and a water barometer are put at the same location. The specific weight of mercury is , and the specific weight of water is  . If the mercury column height from the free surface is 0.76 m, then what is  the water column height ?_______       A. 10.33 m   B. 139.96 m   C. 0.758 m   D. 1.319 m

The figure below is the basic plot of pressure vs. volume for the Dual Standard Cycle. Constant pressure heat addition 3 4 PV = constant %3D Heat IN Adiabatic expansion 2 Heat OUT (Constant volume heat rejection) Constant volume heat addition 1 Adiabatic compression Volume (V) Using the Dual Air Standard Cycle and the following data: • Assume constant properties of air. R= 287 J/kgK; Cp = 1005 J/kgK; Cv = 718 J/kgK; y = 1.4 • Cycle compression ratio = 14 (V1/v2) • Air conditions prior to compression: Pressure = 1.3 bar; Temperature = 293K • Heat added at constant volume = 280000 J/kg • Heat added at constant pressure = 662000 J/kg Pressure (P)