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Calculate the monthly averaged daily solar radiation on a horizontal surface for Dubai, latitude=25.2048° N and longitude= 55.2708° E, for the months of January to December. Assume that the UAE standard time is referenced to Abu Dhabi: (capital city) 24° 28' N, 54° 22' E. Plot the result.
Make a reflection paper about The rise of "worse is better" by Richard Gabriel composing of introduction, body and conclusion. The total words should have at least 750 words.
A gas feed stream containing 4.03 mole % methane and balance O2 is mixed with a pure
stream of O2. The final stream composition is 2.05 mole % methane. Determine the amount
of O2 needed to dilute the feed stream.
Hint: Assuming a basis may be helpful
The ranges of a course are t= 231.6 meters and p = 119.7 meters, Find (a) The bearing G and (b) the length l of the course.
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
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
Write a reaction paper about the "An investigation of the therac-25 accidents" including Introduction, Body, Conclusion and the List of Citations.
Perform an analysis for disk ranges from 0 to 199 for the following sequence of disk tracks requests: 127, 12, 110, 92, 147, 141, 10, 14, 83, 188, 25 and 120. Assume disk head initially at track 100 and is moving in the direction of decreasing track number. Perform the analysis on FIFO, SSTF, SCAN, and CSCAN algorithms. Calculate the total head mowvement for each algorithm and represent with graph.
Find the shortest length L for a steel column with pinned ends having a cross sectional area of 60 x 100 mm, for which the elastic euler formula applies. Let E= 200 GPa and assume proportional limit to be 250MPa.