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A 2.64 kg copper part, initially at 400 K, is plunged into a tank containing 4 kg of liquid water, initially at 300 K. The copper part and water can be modeled as incompressible with specific heats of 0.385 kJ/kg. K and 4.2 kJ/kg.K, respectively. For the copper part and water as the system, determine (a) the final equilibrium temperature (K), and (b) the amount of entropy produced within the tank, in kJ/K. Ignore heat transfer between the system and its surroundings.(with sketches)
determine the pressure of the water after the partition has been remived and enough heat has been transferred so that the temperature of the water is 3(degrees)C.
a mass of 5 kg of saturated water vapor at 300 kpa is heated at constant pressure until the temperature reaches 200 0c.
Plot magnification and transmissibility factor for a 2 DOF (using sprung and un-sprung mass) quarter car suspension model using the following variables:
Steam enters an adiabatic nozzle steadily, at 2.5 Mpa and 400°C with a velocity of 50 m/s and exits at 1 MPa and 380 m/s. If the nozzle has an inlet area of 65 cm2, determine: The exit temperature. The rate of entropy generation for this process, in..
a compressor takes in air at 100 kpa and 300 k and discharges it at 0.25 kgs at 1.2 mpa and 450 k. unfortunately the
Determining the Exit Temperature and Power Input of Air through a Compressor, Air at 150Pa and 310K enters a compressor of inlet diameter 2cm. The Compressor raises the pressure to 3.5 times the inlet pressure
water flows at 50oc inside a 2.5-cm-inside-diameter tube such that hi 3500 wm2 oc. the tube has a wall thickness of 0.8
1. what are rupture disks under the relief valves? what if there is a pin hole leak under a rupture disk?2. what are
gasoline car enginea gasoline car engine has a compression ratio of 8. air enters the cylinders of the engines at 60of.
A temperature sensor's sensitivity is given as 5mv/0.1oF. The sensor can measure from -100oF (that is negative 100F) to 150oF. Find out the sensor possible output values for a measured value of 30F for the following accuracies: ±0.5% of FS error/ ±..
2-lbm of water at 300 psia fill a weighted piston-cylinder device whose volume is 2.5 ft3. the water is then heated at
determine the mole fractions of polyvinyl chloride and polyvinyl acetate in a copolymer having a molecular weight of
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