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A rigid tank contains 8 kmol of O2 and 10 kmol of CO2 gases at 290 K and 150 kPa. Estimate the volume of the tank.
A single-stage ideal regenerative steam cycle has a boiler pressure and temperature of 5000 kPa and 500 C, and a condensing pressure of 10 kPa. The extraction pressure is 500 kPa. Find (i) the net work, in kJ/kg, (ii) the work ratio, and (iii) the th..
A frictionless piston-cylinder contains H2O initially at 1000 kPa and 200C. The system is slowly cooled at constant pressure to 20C. Determine the temperature at which you would expect two phases to exist. Calculate the work for the entire process
Ask one or two engineers what kinds of oral presentations they make on a fairly regular basis. How long do they talk each time? What do they talk about? Who is their audience? Do they use any graphic aids or handouts while presenting? What kinds of f..
a dragster starts from rest and has an acceleration described by the graph. determine the time t for it to stop. also
consider a steam power plant that operates on a simple ideal rankine cycle and has a net power output of 45mw. steam
a particle is moving along a straight line from an origin o and has acceleration a of ks ms2 where k is a constant s is
but they vary in number of outputs, interfacing, cascadability, current limiting, and drive capability. As always, examine the data sheets carefully before substituting these parts! What is a Capacitor?
a tennis ball is initially at a height of 4 m above a solid marble floor. the tennis ball is traveling 15 msec at an
A water fountain consume 24.1 amps (operating at 110 V) to chill water from 23 C to 5 C. It is known that heat is rejected from the unit at a rate of 9.5 kW. Assuming steady flow operation and constant specific heat for water (at 25 C)
the train car has a mass of 10 mg and is traveling at 5 ms when it reaches a. if the rolling resistance is 1100 of the
A closed rigid tank is filled with refrigerant 134a, initially at 10C a quality of 80% and a volume of 0.01m^3. A 12volt battery provides a 5amp current to the resistor for 5 minutes. If the final temperature of the refrigerant is 40C, a) determine t..
a 3000lb car is traveling at 60mih up an inclined surface of 5deg when the brakes are applied creating a constant
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