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A piston-cylinder device fitted with stops as shown in the figure initially contains one kg of water at 400 kPa and 300°C. Heat is rejected from the cylinder at constant pressure until water exists in the cylinder as a saturated vapour and the piston rests on the stops. Heat rejection from the cylinder continues until the pressure is 100 kPa. Calculate the dryness fraction at the end of process.

1 A two-phase liquid-vapour mixture of water, initially at a pressure of 5 bar and dryness fraction of 0.5, is heated in a closed rigid tank of volume 0.2 m3 until only saturated water vapour remains. The approximate mass of the water and the final pressure will be respectively

1.064 kg, 10.5 bar

2.064 kg, 10.5 bar

1.064 kg, 1.5 bar

2.064 kg, 1.5 bar

1.064 kg, 10.5 bar

2.064 kg, 10.5 bar

1.064 kg, 1.5 bar

2.064 kg, 1.5 bar

Q. 1 A two-phase liquid-vapour mixture of water, initially at a pressure of 5 bar and dryness fraction of 0.5, is heated in a closed rigid tank of volume 0.2 m3 until only saturated water vapour remains. The approximate mass of the water and the final pressure will be respectively

1.064 kg, 10.5 bar

2.064 kg, 10.5 bar

1.064 kg, 1.5 bar

2.064 kg, 1.5 bar

Q.2 A piston-cylinder device fitted with stops as shown in the figure initially contains one kg of water at 400 kPa and 300°C. Heat is rejected from the cylinder at constant pressure until water exists in the cylinder as a saturated vapour and the piston rests on the stops. Heat rejection from the cylinder continues until the pressure is 100 kPa. Calculate the dryness fraction at the end of process.

0.8788

0.4748

0.2728

0.6768

1.064 kg, 10.5 bar

2.064 kg, 10.5 bar

1.064 kg, 1.5 bar

2.064 kg, 1.5 bar

Q.2 A piston-cylinder device fitted with stops as shown in the figure initially contains one kg of water at 400 kPa and 300°C. Heat is rejected from the cylinder at constant pressure until water exists in the cylinder as a saturated vapour and the piston rests on the stops. Heat rejection from the cylinder continues until the pressure is 100 kPa. Calculate the dryness fraction at the end of process.

0.8788

0.4748

0.2728

0.6768

Write a reaction paper about the "An investigation of the therac-25 accidents" including Introduction, Body, Conclusion and the List of Citations.

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use the graphical method to find out the following for a state of pure shear having magnitude equal to 30 k N / m square:

a) principal stresses and principle plane

b) planes of maximum shear

c) normal and shear stress on plane of maximum shear

d) stress on a plane inclined at an angle of 30 degree anticlockwise with the vertical plane

a) principal stresses and principle plane

b) planes of maximum shear

c) normal and shear stress on plane of maximum shear

d) stress on a plane inclined at an angle of 30 degree anticlockwise with the vertical plane

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if C2 went short circuit explain how this would affect the output on the audio amplifier