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A fixed quantity of air at T1 = 57oC and P1 = 222 kPa is heated at constant temperature in a piston-cylinder assembly until its volume has increased by 37%.
Write a CUBLOC Basic program (Use BASIC language) to read in four switches connected to ports 32,33,34, and 35 into a byte called Readings.
Determine the minimum diameter required for the shaft. Use dimensions of a = 1400mm ,b = 600mm , and c = 195 mm.
Kinetic and potential energy effects can be ignored. Determine whether it is possible for the work measurement to be correct.
Air is compressed at constant temperature from standard temperature and pressure and volume = 258 in^3 to a volume of 64.4 in3. What is the pressure after the compression (psfa).
The second shaft is hollow with an outside diameter of 3 in. and thickness of 0.5 in. and is subjected to a reversed-bending load of 11000 ft-lb. Which shaft will fail first?
Determine: (a) the exit temperature, in K; (b) the isentropic nozzle efficiency; and (c) the rate of entropy production, in kJ per kg of argon flowing.
Kinetic and potential energy changes are negligible. What is the MAXIMUM theoretical amount of energy, in kJ per kg of steam enterind, that could be delivered at 300 degrees C?
A carburizing process is carried out on a 0.10%C steel by introducing 1.0%C at the surface at 980degreesC, where the iron is FCC.
Determine the internal normal force and shear force, and the bending moment in the beam at points C and D. Assume the support at B is a roller.
Determine the velocity of the pin in terms of polar coordinates and the angular velocity of the slotted bar when theta = 35 degrees.
After it oscillates for 5.0 s, the displacement of the object is 0.100m. From the hints provided it is an Underdamed System. Calculate c, the magnitude of the damping coefficient.
The average heat transfer coefficient is 20 Btu/hr ft^2 F. The duct temperature is constant at 50 F. Determine the exit air temperature and the rate of heat transfer.
The air in a room has a dry-bulb temperature of 22 C and a wet-bulb temperature of 16 C. Assuming a pressure of 100 kPa, determine (a) the specific humidity, (b) the relative humidity.
R-134a vapor enters an adiabatic turbine at 250 psia and 175 F. The temperature at the outlet is 20 F. Determine the maximum output for the turbine.
After the compression process, the pressure in the cylinder is 250 psia. Determine the amoung of entropy generated during the process.
The compresser has a point that is not insulated and losess heat to the surroundings, the temperature of this point is 27C. What is the minimm work consumed by the compressor?
A modified Brayton cycle is to be analyzed using the air-standard assumption with constant specific heats at a temperature of 300K. Determine the temperature of the air leaving the last turbine.
At the end of 4 years, another B may be purchased with the same costs, benefits, etc. Construct a choice table for interest rates from 0% to 100%
A copper specimen is cold worked at room temperature and annealed at 100-400C. What are the principal microstructural changes that occur during annealing of the cold worked alloy?
If the initial state of the mixture is 300 K and 100 kPa, determine the makeup of the mixture on a mass basis and the internal energy change per unit mass of mixture.
Determine the mass flow rate of liquid water required to produce an exit state of saturated vapor at 5 bar. What is the rate of entropy generation?
A copper-clad steel sheet is produced by hot roll bonding. The cladding separated during deep drawing. What are some likely process steps and problem areas?
Sketch to show the expected weld bead geometry in cross section and the width of the heat-affected zones with oxyacetylene, electron beam welding, plasma arc welding.
Determine the temperature at the end of the process and the amounts of work and the heat transfer per unit mass in Btu/lb if n=1.3.