A device of 200 N in weight is to be isolated from a panel that vibrates at frequencies in the range 10 Hz to 20 Hz. An isolator is designed to isolate at least 80% of the force being transmitted from the panel vibration to the device. Assume the selected isolator has zero damping. Determine: (a) The minimal value of static deflection required for the isolator to achieve the desired isolation. (b) The maximum value of static deflection required for the isolator to achieve the desired isolation.

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A2-m rigid tank initially contains saturated water vapor at 100 kpa. the tank is connected to a supply line through a valve. steam is flowing in the supply line at 600 kpa and 300 c. the valve is opened, and steam is allowed to enter the tank until the pressure in the tank reaches the line pressure, at which point the valve is closed. a thermometer placed in the tank indicates that the temperature at the final state is 200°c. determine (a) the mass of steam that has entered the tank (b) the amount of heat transfer.

Water vapor initially at 10 bar and 400 °c is contained within a piston-cylinder assembly. the water lost heat to the surrounding according to isochoric (iso-volumetric) process until its temperature is 150 °c. the water is then condensed isothermally to saturated liquid. for the water as a system, calculate the work in kj/kg