answers are a)1187Kpa, b)(0.178m3 c) 623kPa d) 63.4kJ show steps on how to reach these A cylinder with a frictionless, leak proof, piston at one end and closed at theother end, contains 0.5 kg of air. The air is taken through the following cycleof processes;1. From an initial temperature of 25°C and pressure of 1 bar it iscompressed isothermally to 1/12th of its initial volume.2. The air temperature is increased to 1200°C by heat transfer atconstant pressure3. The cylinder is cooled by a constant volume heat transfer processuntil the temperature in the cylinder is 500°C.Calculate;a) The pressure at the end of the compression process (1187 kPa)b) The volume occupied by the gas after the isobaric heat transfer(0.178m3)c) The pressure after the cooling process (623kPa).d) The net work done during the cycle. (63.4kJ)For Air: R=0.287 kJ/kgK, Cp=1.005 kJ/kgK, Cv=0.718 kJ/kgK

the given wave function:f(x,t) = 0.036 \, x \, \cos(800t - 50x + \pi/6) \, \text{metre}Part i: What…

Answered: A cylinder with a frictionless, leak…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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I need help with this thermo practove problem that I do not understand- thank you! 2 kg of air in a piston cylinder initially at P1=101 kPa, T1= 300 K undergoes a cyclemade up of three processes: 1-2 Isothermal compression until the volume is (1/15) of its original value.2-3 Constant Pressure heating3-1 Isentropic Expansion back to the initial state Assume air is an ideal gas with constant specific heats with the following values: Cpo=1.027kJ/kgK; Cvo= 0.740 kJ/kgK; R=0.287 kJ/kgK; ɣ=1.388 Fill out the processes table below. Calculate Processes 1-2, 2-3, and 3-1 clearly
A cylinder is fitted with a freely movable piston of area 1.20e-2m^2 and negligible mass. The cylinder below the piston is filled with a gas. At state 1 the gas has volume 1.50e-3m^3, pressure 1.02e5Pa, and the cylinder is in contact with a water bath at a temperature of 0.0C. The gas is then taken through the following four step process. - A 2.50kg metal block is placed on top of the piston, compressing the gas to state 2, with the gas still at 0.0 C. - The cylinder is then brought in contact with a boiling water bath, raising the gas temperature to 100C at state 3. - The metal block is removed and the gas expands to state 4 still at 100C. - Finally, the cylinder is again placed in contact with the water bath at 0C, returning the system to state 1. a) Determine the pressure of the gas in state 2. b) Determine the volume of the gas in state 2. C) Determine the volume of the gas in state 4. Answer all parts, ABC
A tank of compressed air is at 40°C and 10 atm. 1 third of the gas is removed for inflating a car tire. The tank is allowed to exchange heat with the surroundings to maintain its temperature at all times. What kind of a process is this? What is the pressure remaining in the tank? a. Sketch the problem. b.Draw lines identifying the control volume, or control mass. c.Identify the states with numbers, letters, or descriptions such as “in” and “out”. d.Write down the knowns and unknowns. e.Identify what is being asked for. f.State all assumptions.
1. An ideal gas with R = BTU 0.062- and Cy =0.158 BTU undergoes a three Ibm-°R process cycle in aclosed system. From the initial state of 20 psia and 570 °R, the gas is compressed at constant temperature to 1/5 of its initial volume, process 1-2; it is then heated isochorically to state 3,process 2-3; and finally, it expands polytropically with index n= 1.5 back to its initial state, process 3-1. Determine the pressures, specific volumes and temperatures at eardinal points around the cycle and the cycle thermal efficiency.
ANSEER C AND D ONLY. SHOW COMPLETE AND LEGIBLE SOLUTION.
One cubic meter of oxygen at initial pressure of 1 bar and a temperature of17°C are compressed isentropically to a volume of 0.50m 3 . Use the specificheat at constant volume and pressure are 0.919 kJ/kgK and 0.659 kJ/kgK,respectively. determine the: b. the pressure, temperature, and volume after the process d. work nonflow and heat transferred
Heat added in the process ?
2. A piston-cylinder system has a mass of piston of 900 kg and an area of piston equals to 0.00981 m². At the start of the process, 1.0 kg of water in the system is at its saturated vapour state at 20.0 MPa. The system is allowed to cool, at a constant volume, until its internal and external pressures are the same. At the end of the isobaric process, half of the cylinder is filled with liquid and half with vapour, by volume. Given Atmospheric pressure, Patm = 100 kPa Acceleration due to gravity, g = 9.81 m/s² a) Find the pressure, temperature, volume, and quality of vapour at each of the 3 states. State Pressure, P kPa 1 2 3 Temperature, T Volume, V Quality of Vapour, x °C m³ b) Determine the work done for this process (in kJ). c) Sketch the T (in °C) vs v (in m³/kg) diagram for this process.
QUICKLY AND CORRECTLY PLEASE Two vessels A and B of different sizes are connected by a pipe with a valve. Vessel A contains 140 L of air at 3000 kPa, 90oC. Vessel B, of unknown volume, contains air at 70 kPa, 5oC. The valve is opened and, when the properties have been determined, it is found that pm = 1400 kPa, tm = 45oC. (a) What is the mass in kg of air initially inside vessel A (b) What is the volume of vessel B in liters?
Identify the working substance, specify the kind of system and sketch the system boundary. Please answer it in 1hr.
2-An automobile wheel contains air with a pressure of 3x10 'Pa at 25 ° C. The sipop cover was removed and the air was expanded adiabatically against an external pressure of 10 'Pa. What is the final temperature of the gas in the wheel? (It should be taken into account that the gas behaves ideally and the Cp value for air is 7 / 2R)
2) Two glass bulbs, one on the left with a volume of 2 liters and the other on the right with avolume of 6 liters, are connected to one another by a thin tube that is initially closed by astopcock. The bulb on the left has 0.1 moles of ideal gas, and the bulb on the right isevacuated. The system is in thermal equilibrium with the surroundings at 300K. When thestopcock is opened, the gas flows out to fill both bulbs. Calculate A for this process. If wewere to insert a propeller to extract work as the gas flows from left to right, what is themaximum amount of work that we could possibly extract?

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