Changes in kinetic and potential energies are zero

Assignment Help Mechanical Engineering

Reference no: EM13710416

Water in a vertical piston cylinder is heated at constant pressure of 10 bar. It is initially at 179.9 0C and has a specific volume of 0.1 m3/kg and is heated to a final specific volume of 0.248 m3/kg. Changes in kinetic and potential energies are zero. Determine:

a) the initial quality of the water

b) the final temperature of the water vapor

c) the work in kJ/kg

d) the initial and final internal energy in kJ/kg

e) the heat transfer in kJ/kg

Reference no: EM13710416

Questions Cloud

Estimate how fast the baseball is moving : A 0.15 kg baseball collides with a 1.1 kg bat. The ball has a velocity of 43.5 m/s immediately before the collision. Estimate how fast the baseball is moving

What is the steady state surface temperature : A cylindrical electric resistance heater has a diameter of 1cm and length of 0.25m. When water at 30oC flows across the heater a heat-transfer coefficient of 15W/(m2oC) exists at the surface. If the electrical input to the heater is 5W, what is the s..

Determine the initial velocity of the mass : A 0.25 kg mass on a spring has a displacement x(t) = 0.2 cos(1.2 t - 0.15?). Determine the initial velocity of the mass

Exit temp of the air and the rate of heat transfer from air : Air enters the evaporator of an air conditioner at 14.7 psia, 90F, 200 ft3/min. R-134a at 20 psia, 30% quality enters at 4 lbm/min and leaves as saturated vapor at the same pressure. Find the exit temp of the air and the rate of heat transfer from t..

Changes in kinetic and potential energies are zero : Water in a vertical piston cylinder is heated at constant pressure of 10 bar. It is initially at 179.9 0C and has a specific volume of 0.1 m3/kg and is heated to a final specific volume of 0.248 m3/kg. Changes in kinetic and potential energies are ze..

What is the angular frequency of this oscillator : A block of mass m= .6 kg is attached to a spring with a natural frequency of oscillation f= 1.45 Hz. What is the angular frequency of this oscillator

What should his speed have been at the top of the ramp : A physics professor did daredevil stunts in his spare time. His last stunt was an attempt to jump across a river on a motorcycle. What should his speed have been at the top of the ramp

Frictionless slot that lies in the vertical plane : The 8-lb block slides in a frictionless slot that lies in the vertical plane. The stiffness’s of springs A and B attached to the block are kA =40 lb/ft and kB= 20 lb/ft. When the block is in position 1, spring A is compressed 0.5 ft and spring B is u..

What is the magnitude of the dog velocity : A dog running in an open field has components of velocity vx = 3.5m/s and vy = -1.4m/s at time t1= 10.7s. For the time interval from t1 = 10.7s to t2= 19.1s, What is the magnitude of the dog's velocity

User Account

All Pages