Homework Answers
In the answer given above, vf at 200oC > v4. This is false. Please let me know where I'm making a mistake.
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Problem 5- A piston-cylinder device initially contains steam at 3.5 MPa, superheated by .10°C. Now, steam loses hea...
Homework 2 Problem 1: A piston-cylinder device initially contains 0.35-kg steam at 3.5 MPa, superheated by...
Homework 2 Problem 1: A piston-cylinder device initially contains 0.35-kg steam at 3.5 MPa, superheated by 7.4 C. Now the stream loses heat to the surroundings and the piston moves down, hitting a set of stops at which point the cylinder contains saturated liquid water. The cooling continues until the cylinder contains water at 200C. Determine (a) the final pressure and the quality (if mixture), (b) the boundary work, (c) the amount of heat transfer when the piston first hits...
A rigid tank initially contains 0.32 kg steam at 4 MPa, superheated by 350°C. Now the...
A rigid tank initially contains 0.32 kg steam at 4 MPa, superheated by 350°C. Now the steam loses heat to the surroundings and the cooling of tank continues until the cylinder contains water at 90°C. Determine; (a) the final pressure and the quality (if mixture), (b) the boundary work, (c) the amount of heat transfer (d) and the total entropy generation if the Tsur=20 °C.
A rigid tank initially contains 0.32 kg steam at 4 MPa, superheated by 350°C. Now the...
A rigid tank initially contains 0.32 kg steam at 4 MPa, superheated by 350°C. Now the steam loses heat to the surroundings and the cooling of tank continues until the cylinder contains water at 200°C. Determine; (a) the final pressure and the quality (if mixture), (b) the boundary work, (c) the amount of heat transfer (d) and the total entropy generation if the Tsur=20 °C
A Piston-cylunde device instially contans steamat steam loses heat to the surround ng and the piston...
A Piston-cylunde device instially contans steamat steam loses heat to the surround ng and the piston moves dowh httie a set oF stops at twhch point the cylnde Contains saturated liq ud wate. The cooling continues un Puse data Frem steam De la) inital tesperature b) the enthalpy Change per unt mass of the saa stcam hl the cyhndes contains water at 115 by the time the piston furst hits the and (C) the final pressure an
3. A rigid tank initially contains 0.32 kg steam at 4 MPa, superheated by 350°C. Now...
3. A rigid tank initially contains 0.32 kg steam at 4 MPa, superheated by 350°C. Now the steam loses heat to the surroundings and the cooling of tank continues until the cylinder contains water at x°C. Determine; (x is the percentage of each student's number based on the last digit. For example, for 20171061 it is 100 °C) (a) the final pressure and the quality (if mixture), (b) the boundary work, (c) the amount of heat transfer (d) and the...
3. A rigid tank initially contains 0.32 kg steam at 4 MPa, superheated by 350°C. Now...
3. A rigid tank initially contains 0.32 kg steam at 4 MPa, superheated by 350°C. Now the steam loses heat to the surroundings and the cooling of tank continues until the cylinder contains water at x°C. Determine; (x is the percentage of each student's number based on the last digit. For example, for 20171061 it is 100 °C. If your number is greater than 3, multiply by 10.) (a) the final pressure and the quality (if mixture), (b) the boundary...
it is 100 3. A rigid tank initially contains 0.32 kg steam at 4 MPa, superheated...
it is 100
3. A rigid tank initially contains 0.32 kg steam at 4 MPa, superheated by 350°C. Now the steam loses heat to the surroundings and the cooling of tank continues until the cylinder contains water at x°C. Determine; (x is the percentage of each student's number based on the last digit. For example, for 20171061 it is 100 °C. If your number is greater than 3, multiply by 10.) (a) the final pressure and the quality (if mixture),...
x=90 3. A rigid tank initially contains 0.32 kg steam at 4 MPa, superheated by 350°C....
x=90
3. A rigid tank initially contains 0.32 kg steam at 4 MPa, superheated by 350°C. Now the steam loses heat to the surroundings and the cooling of tank continues until the cylinder contains water at x°C. Determine; (x is the percentage of each student's number based on the last digit. For example, for 20171061 it is 100 °C. If your number is greater than 3, multiply by 10.) (a) the final pressure and the quality (if mixture), (b) the...
201572069 student number 3. A rigid tank initially contains 0.32 kg steam at 4 MPa, superheated...
201572069 student number
3. A rigid tank initially contains 0.32 kg steam at 4 MPa, superheated by 350°C. Now the steam loses heat to the surroundings and the cooling of tank continues until the cylinder contains water at x°C. Determine; (x is the percentage of each student's number based on the last digit. For example, for 20171061 it is 100 °C. If your number is greater than 3, multiply by 10.) (a) the final pressure and the quality (if mixture),...
A piston–cylinder device contains steam initially at 1 MPa, 450°C. Steam is allowed to cool at...
A piston–cylinder device contains steam initially at 1 MPa, 450°C. Steam is allowed to cool at constant pressure until it becomes saturated vapor. Find the internal energy (u) on the initial and final states. Find the specific volume (v) on the initial and final states. Find the boundary work associated with the transformation. Write the conservation of energy equation, and simplify it. Deduce the amount of heat transferred per unit mass. Represent the process on P-v diagram, showing the saturation...
Homework 2 Problem 1: A piston-cylinder device initially contains 0.35-kg steam at 3.5 MPa, superheated by 7.4 C. Now the stream loses heat to the surroundings and the piston moves down, hitting a set of stops at which point the cylinder contains saturated liquid water. The cooling continues until the cylinder contains water at 200C. Determine (a) the final pressure and the quality (if mixture), (b) the boundary work, (c) the amount of heat transfer when the piston first hits...
A rigid tank initially contains 0.32 kg steam at 4 MPa, superheated by 350°C. Now the steam loses heat to the surroundings and the cooling of tank continues until the cylinder contains water at 200°C. Determine; (a) the final pressure and the quality (if mixture), (b) the boundary work, (c) the amount of heat transfer (d) and the total entropy generation if the Tsur=20 °C
A Piston-cylunde device instially contans steamat steam loses heat to the surround ng and the piston moves dowh httie a set oF stops at twhch point the cylnde Contains saturated liq ud wate. The cooling continues un Puse data Frem steam De la) inital tesperature b) the enthalpy Change per unt mass of the saa stcam hl the cyhndes contains water at 115 by the time the piston furst hits the and (C) the final pressure an
3. A rigid tank initially contains 0.32 kg steam at 4 MPa, superheated by 350°C. Now the steam loses heat to the surroundings and the cooling of tank continues until the cylinder contains water at x°C. Determine; (x is the percentage of each student's number based on the last digit. For example, for 20171061 it is 100 °C) (a) the final pressure and the quality (if mixture), (b) the boundary work, (c) the amount of heat transfer (d) and the...
3. A rigid tank initially contains 0.32 kg steam at 4 MPa, superheated by 350°C. Now the steam loses heat to the surroundings and the cooling of tank continues until the cylinder contains water at x°C. Determine; (x is the percentage of each student's number based on the last digit. For example, for 20171061 it is 100 °C. If your number is greater than 3, multiply by 10.) (a) the final pressure and the quality (if mixture), (b) the boundary...
it is 100
3. A rigid tank initially contains 0.32 kg steam at 4 MPa, superheated by 350°C. Now the steam loses heat to the surroundings and the cooling of tank continues until the cylinder contains water at x°C. Determine; (x is the percentage of each student's number based on the last digit. For example, for 20171061 it is 100 °C. If your number is greater than 3, multiply by 10.) (a) the final pressure and the quality (if mixture),...
x=90
3. A rigid tank initially contains 0.32 kg steam at 4 MPa, superheated by 350°C. Now the steam loses heat to the surroundings and the cooling of tank continues until the cylinder contains water at x°C. Determine; (x is the percentage of each student's number based on the last digit. For example, for 20171061 it is 100 °C. If your number is greater than 3, multiply by 10.) (a) the final pressure and the quality (if mixture), (b) the...
201572069 student number
3. A rigid tank initially contains 0.32 kg steam at 4 MPa, superheated by 350°C. Now the steam loses heat to the surroundings and the cooling of tank continues until the cylinder contains water at x°C. Determine; (x is the percentage of each student's number based on the last digit. For example, for 20171061 it is 100 °C. If your number is greater than 3, multiply by 10.) (a) the final pressure and the quality (if mixture),...
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