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A cylinder equipped with a set of stops for the piston is initially filled with 5 kg saturated liquid-vapor mixture of water at 125 kPa. Determine the initial and final temperature.
What is the velocity of flow into the filter? If the density of the pipe line gas is .0064 gms/cm^3 what is the density of the gas at the filter input?
What is the yield strength for the same steel having an average grain diameter 0.004mm? Assume Hall-Petch equation is valid.
The input pressure is 20 atmospheres and the output pressure is 10 atmospheres. If the input volume flow rate is 100 cm^3/sec what is the output flow rate?
A gas flows steadily into a cylindrical core of porous media and out the other side. If the output flow rate is twice the input flow rate what has happened to the density of the gas in transit?
Air enters at 75 psi, 400 F, and 100 ft/s and area at inlet is 20 in^2. At outlet 15 psi, 500 ft/s. Find m dot, and Temperature and area at outlet. Q dot=0 First law of thermodynamics problem.
Chris, being an avid skier, takes a trip to an Alpine resort to ski. Determine his velocity and acceleration at this instant in en, et system.
Determine the magnitude of the components of force which the track exerts on the car in r, theta, andz direction when the time instant t=2s. Neglect the size of the car.
Find mass flow rate through the boiler, power produced by the turbine, the rate of heat supply in the boiler, thermal efficiency, and error caused in the thermal efficiency.
Sketch the process on P-v and T-s coordinates. Determine the heat transfer and work, each in kJ per kg of air. Treat air as an ideal gas.
The box was pushed downward such that the displacement of the springs were x1=3 in. and x2= 8 in. and then released. Find the maximum height, h, that the box will reach.
A second piece, with mass 7.60×10^5 kg, continues forward at 1.00×106. What is the speed of the third piece?
Water is the working fluid in an ideal regenerative Rankine cycle. Determine for the cycle amount of steam extracted to the open feed heater.
If the quality at the exit of the second turbine is 90%, determine pressure and quality or temperature of steam exits the first-stage turbine and the cycle thermal efficiency.
The condenser pressure is 8 kPa. The mass flow rate of steam entering the turbine is 120 kg/s. determine for the cycle the thermal efficiency.
Determine for the cycle rate of heat transfer from working fluid passing through the condenser to the cooling water, in kJ per kg of steam flowing.
Raw material in shovel cost and it sells for 4.00. what is the optimal number of process for one operator low unit cost? Draw work machine chart for this situation.
What is the optimal number of machines that can be assigned to the operator to produce the widget at low cost? Draw work machine chart.
At what car speed will resonant vibration of the wheel occur? What would the amplitude of the motion be when the car's speed is 130 km/h?
Find the reliability if the tool is replaced every (i) day; (ii) two days; (iii) three days. Find R(1), R(2), and R(5). Determine the probability that the cutting tool will last one more day given it
What is the reliability if the part is to be used for 210 hr and then replaced? Determine the design life if no more than a 1 percent probability of failure prior to replacement is to be tolerated.
A 1.41 kg steel part whose temperature is 1000oC is dropped into an open, insulated vat containing 35.4 kg of water whose temperature is 15oC. What is the change in the internal energy of the part?
During the process a paddle wheel within the tank is turned with a constant torque of 0.6 Nm for 30 revolutions (n=300). If the system contains 0.10 kg, compute the required heat transfer.
Using your Taylor tool life equation, compute the tool life that corresponds to a cutting speed of 510 ft/min, compute the cutting speed that corresponds to a tool life of 1 hour.
Determine the time needed to make one pass across the surface, the maximum material removal rate during the cut.