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A piston cylinder device contains 1 kg of liquid water at 200kPa and 25oC. Heat is added to the water in the cylinder at constant pressure until the cylinder contains saturated water vapor. What is the thermodynamic state of the fluid in the cylinder under the initial conditions? What is the temperature of the fluid at the final condition, deg C? What is the enthalpy change of the fluid from the initial state to the final state, kJ/kg? What is the volume change from the initial condition to the final condition, m3?
a calculate the number of electrons in a small electrically neutral silver pin that has a mass of 8.0 g. silver has 47
Find the corresponding damping coefficient c. Identify the system parameters such as the natural frequency and damped frequency. Derive the mathematical expression of the displacement as a function of time with the given initial condition. Plot yo..
A jack-screw has a handle 35 inches long and a pitch of 7/32 inches. If a pull of 15 lbs. is required at the end of the handle to lift a 3,000 lbs.
the position of a particle moving in a curvilinear path is given by thetacos2t where theta units are radians and t
a solid object of aisi 302 steel at a temperature of 850?c is quenched in mineral oil at a temperature of 25?c. the oil
a closed rigid tank contains 5 lbm of a two phase mixture of water initially at 260degf with a quality of 0.6. heat
a catheter is a specialised needle intended for long-term insertion into a vein in a patients arm. engineers are
The formula for the coefficient of performance 'COP' for air standard refrigeration cycle when we use cold air properties is not given in the text. Derive the expression for COP as function of the compression ratio similar to how the ideal Brayton..
Equation of an elastic curve, Given the equation of the elastic curve for a simply supported beam, how would you obtain the slope in the beam, since the equations are related?
Derive an expression for the bounding energy Eo in terms of the equilibrium interionic separation ro and the constants D, and p using the following procedure
a engineer designs a heat engine using flat-plate solar collectors. the collectors deliver aeat at 70 degrees c and
an insulated cylinder is initially filled with saturated r-134a vapor at a specified pressure. thenbsprefrigerant
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