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1. A 1 m3 tank initially contains air at 300 kPa, 300 K. Air slowly escapes from the tank until the pressure drops to 100 kPa. The air that remains in the tank undergoes a process described by py1.2 5constant. For a control volume enclosing the tank, determine the heat transfer, in kJ. Assume ideal gas behavior with constant specific heats.
2. Nitrogen gas is contained in a rigid 1-m tank, initially at 10 bar, 300 K. Heat transfer to the contents of the tank occurs until the temperature has increased to 400 K. During the process, a pressure-relief valve allows nitrogen to escape, maintaining constant pressure in the tank. Neglecting kinetic and potential energy effects, and using the ideal gas model with constant specific heats evaluated at 350 K, determine the mass of nitrogen that escapes, in kg, and the amount of energy transfer by heat, in kJ.
A 0,5Kg mass attached linear spring suffress 01 N/m. Determine be naturak frequency of the system in hortz e reapert this calculation for a mass of 50Kg and a suffress of 10N/m and compare your result to that of part.
1. Give two examples of orthogonal cutting. 2. Define tool life 3. Define heat engine. 4. What is crank shaft? 5. Define refrigeration. 6. What is meant by air conditioning?
The magnitudes of a pnp transistor's emitter and base currents are 6 and 0.1 mA, respectively. The magnitudes of the voltages across the emitter-base and collector-base junctions are 0.65 and 7.3 V. Find
car a is traveling at va130kmh as it passes a police officer in car p but over the next 5 seconds the car uniformly
a real turbine with a mass flow rate of 5.0 kgs of steam has inlet conditions of 6.0 mpa and 700 oc and exit conditions
It is desired to establish freezing of 10,000 loaves of bread each weighing 0.75 kg from an initial room temperature of 18°C to a final store temperature of -18°C. If this is to be carried out in such a way that the maximum heat demand for the free..
a steel wide flange beam w14 x 26 carries the load. compute the maximum deflection between the supports and at each
a u manometer reads 20 cm air as operating fluid and a given manometric fluid. a single branch closed tube reads 35 cm
three monkeys a b and c weighing 23 23 and 20 lb respectively are climbing up and down the rope suspended from d. at
determine the terminal velocity of a 75-mm diameter sphere made of solid aluminum specific weight26.6knm3 in free fall
When 2140 J of heat flows into the gas, the internal energy of the gas increases by 1580 J. What is the distance s through which the piston rises?
the image for this problem can be found through this link httpimgur.comfqjt0w5 please show all workformulas so that i
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