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The isentropic efficencies of the turbine and the pump are 85% and 90% respectively. Steam leaves the condeser as saturated liquid.
Water vapor exists at a pressure of 10kpa and temperature of 373k. assume a reference atmosphere exists at To= 298k and Po = 100kpa.
For flow of viscous fluids through a 5 cm diameter pipe, for what flow rate in m3/h would we expect transition to turbulence? For SAE 10W oil at 20°C. For SAE 10W oil at 100°C.
Steam at 1.0MPa and 300C with a mass flow rate of 10kg/s enters an insulated turbine operating at steady state and exits at 15 KPa. Kinetic and potential energy effects are negligible.
Estimate the power required to overcome the surface resistance generated by the water against the wetted surface of the boat.
Determine the maximum load that can be applied for the plate not to fail by yielding or fracture (rapid crack extension). Assume the correction parameter for stress intensity factor to be 1.
A 1050 hot-rolled steel of diameter 300mm has an ultimate tensile strength of S_ut=724MPa. Determine the un-modified endurance limit of the steel member from a rotating beam test.
Find values for the constants a and b (online) and use these to calculate the density in (g ml^-1) at a temperature of 1000K and a pressure of 10 atm. The equation or volume is a cubic equation.
Why is it necessary for courts to recognize anticipatory repudiation in connection with contracts invloving a structure that is to be built and installed?
Black sell his house to gray, with gray agreeing to take over the motgage payment. if gray defults, can white mortgage co. take action to recover from black?
A 3 kg piece of steel is removed from an oven at 700C and placed a water bath.The final temperature of the water is 80C and its initial temperature is 20C. What is the mass of the water if the bath
Determine the angular acceleration of the satellite and the acceleration of its mass center G (a) when all four rockets are fired and (b) when all rockets expect for D are fired.
The torque due to friction T0 depends on shaft diameter D, rotational speed, lubricated viscosity, and density. Use dimensional analysis to derive anexpression for torque.
Compute the wet bulb temperature of moist air that has been cooled and dehumified from 25 C and 80 percent relative humidity to 23 C in a counter-flow spray dehumidifier.
Air flows through it, entering at 20 degrees C and leaving at 25 degrees C. If the radiator is designed to reject 25kW determine. The mass flow rate of the glycerine. The volumetric flow rate of ai
If the compression is done reversibly, compute the heat and work flows needed per lb-mole of ammonia by the following methods. Assuming ideal gas behavior.
Find the final temperature if 400 Btu of heat is added to the gas mixture. Discuss how you would solve this problem using the gas tables (discuss only, do not solve).
Use numerical values to show how to determine the maximum compression in each of the spring bumpers that are mounted in the front of the engines. Each engine is free to roll.
What must the humidity ratio and mass flow rate of the supply air be? The office is located at sea level. Assume that each person evaporates m=0.25 lb/h moisture at body temperature of 98.6F.
How much water is removed? How much latent heat is removed, and how much sensible heat. What is the sensible heat ratio (SHR)?
To what pressure (in atm) should the air in the wind tunnel be pressurized to scale both the Reynolds number and Mach number accurately?
The temperature is 68 F, and the velocity is 40 ft/s. The exit is located 50 ft above the inlet. Determine the power required by the pump, in Btu/s and horsepower.
The lead electrode is oxodized yeilding at a cell potential of 0.507V. Calculate the concentration of Pb2+ ion if temperature is 25 C.
Using constant-specific heat theory, find the final temperature if 400 Btu of heat is added to the gas mixture. Discuss how you would solve this problem using the gas tables (discuss only, do not solv
What is your reaction? Use a tolerance limit calculation as the basis for your judgment. Show minitab instructions if possible.