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1. Consider an ideal steam reheat cycle in which the steam enters the high-pressure turbine at 600 lbf/in.2, 700 F and then expands to 150 lbf/in.2. It is then reheated to 700 F and expands to 2.225 lbf/ in.2 in the low-pressure turbine. Calculate the thermal efficiency of the cycle and the moisture content of the steam leaving the low-pressure turbine.
2. An open FWH receives steam at 150 psia, 400 F from the turbine and 1150 psia, 200 F water from the feed water line. Find the required fraction of the extraction flow in the turbine.
A stack (T=550 F and P=750 mmHg) was sampled using EPA Method 5. The total gas volume that flowed through the dry gas meter was 2.785 cubic meters (at T=60 F and P=800 mmHg).The mass of particles collected was 1.50 g.
Which party should be responsible for cleaning exposed structural steel immediately after erection? Which party should perform the finish painting?
Determine the self weight, moment of inertia, and cross-sectional areas for the following hot rolled standard section:
Determine the largest screw spacing for the pi-shaped beams that allows the beams to carry an ultimate shear load of V = 2000 lbs. Each screw can support 350 lbs.
Shear and Bending Moment Diagrams - Find the minimum required depth ‘d' for a safe design. What is the maximum shear stress for this ‘d' value and where in the beam does it occur?
A ballon weighing 3.5 lb is 6 ft in diameter. if filled with hydrogen at 18 psia and 60 degrees F and released, at what U.S standard altitud will it be neutral?
Calculate the BOD loading and days of winter storage available between the 0.6 and 1.5 m depths, assuming a daily water loss of 0.30 cm by evaporation and seepage.
The prototype and model will both be in air, if the prototype has a velocity of 500 ft/s and a diameter of 30 ft, what should the velocity for the model be if the model diameter is 2 ft
You may assume that the depth of the substrate beneath the punch is infinitely large.
Calculate the support reaction at B and E and demonstrate the independent check used to ensure your calculated values are correct - Draw shear force diagram for the above beam approximately to scale showing all values at points A, B, C, D and E.
Using the speed of electromagnetic energy given in Problem 6.23, what distance corresponds to each nanosecond of time?
We know that the part has an intial crack of length 0.02 mm, and that the fracture toughness is 55 MPA(m)^1/2If the part is subject to cycle loading of 300 Mpa in tension and compression, calculate (assuming Y1.2, n = 3.4 and C = 2x10^-11 in units ..
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