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The steam exits the high-pressure turbine at 2 MPa, is reheated to 550 degree Celsius, and then expanded through a low-pressure turbine to 50 kPa.
if shaft A have 1200N.m torque with 25cm diameter and the shaft B have diameter of 52cm what is the torque of shaft be
(a) Determine the ratio of model flow velocity to prototype flow velocity over the spillway for dynamic similitude. (b) Determine the ratio of model discharge to prototype discharge for dynamic simi
The flowrate in a rectangular channel is 20 m3/s. The width of the channel is 4 m and the depth of flow is 5 m. If there is an increase in the channel bottom elevation with NO energy loss,
(a) Find the Reynolds number for the motion of this baseball through air. (b) Determine the drag force on the baseball under these conditions in N.
A trapezoidal channel has a bottom width of 5 feet, a slideslope (horizontal:vertical) of 2, and a depth of flow of 4 feet. The elevation of the channel bottom drops 2 feet every 1000 feet of horizo
for sizing the syst em, the mean cell residence time is selected to be 5 days. the reactoer kinetic constants are u max= 2.4 d^-1 (1/day), Ks=75 mg/L as COD, Y=0.4 VSS/g COD and Kd=0.096 d^-1(1/day)
an operator at a wastewater treatment plant decided to increase the SRT from 5 days to 10 days. How will this change affect: a) the oxygen requirement b) MLVSS in the aeration tank.
Past experience indicates that the time for high school seniors to complete a standardized test is normal random variable with a mean of 35 minutes.
If the fre- quency of simple harmonic motion is 13/pi cycles/s, what is the spring constant k What is the frequency of simple harmonic motion if the original mass is replaced with an 288 pound mass
Compare the three-decimal-place values of the two approximations at x=(1/2) with the value y(1/2) of the actual solution . then do the same for PART B: y'=-2xy , y(0)=2 ; y(x)=2e^(-x^2)
(a) Determine the distance d to the point where he lands. (b)What are the magnitudes of his components of velocity parallel and perpendicular to the 45 degree surface just before he lands
The 15- puzzle problem has a 4x4 grid with 15 pieces in it and one blank square. You should output the proper sequence (moving pieces up, down, left, or right into the blank square) to put the 15 pi
a) determine by direct integration the polar moment of inertia of the semiannular area shown with respect to point O b) Using the result of part a, determine the moments of inertia of the given area w
It has been determined that the steady-state diffusion flux of a gas molecule through a solid metal plate is 5*10^-8 kg/m^2*s at a temperature of 1000K, and a concentration gradient of -300 kg/m^4.
Create a depreciation schedule showing annual depreciation amounts and end-of-year book values for a $26,000 asset with a 5 year service life, using the MACRS depreciation method.
Banks typically offer 15-,20-, and 30- year loans. a) Calculate the monthly loan payment to repay a $100,000 home loan at 7% ARP over 30 years.
Terry wants to purchase a used car for $8000. The dealer offered to finance the deal at 8.5% APR for 4 years with 10% down payment. Terry's bank will provide a loan at 7.8% for 3 years, but wants a
A square footing 2 meters by 2 meters is to be constructed 1.22 meters below the ground surface. The groundwater table is located 1.82 meters below the ground surface.
A 1.5 meter deep vertical wall trench is to be cut in a soil whose unit weight is 17.36 kN/cubic meters, angle of internal friction is 25 degrees, and cohesion is 20.6 kN/square meters.
Design a concrete column of 14 ft high to support a dead load of 80 kips and a live load of 200 kips. f'c= 6,000 psi fy= 60,000 psi
some skin divers go as deep as 50m. What is the gage pressure at this depth in fresh water, and what is the ratio of the absolute pressure at this depth to normal atmospheric pressure
Calculate the rate of entropy change for each component of a refrigerator that uses 10 kW power, rejects 14 kW heat and has a high temperature reservoir at 400 K
Steam expands in an turbine operating in steady-state conditions with a mass flow rate of 40,000 kg/hr. The steam enters the turbine at 8 MPa and 500 C, and exits as a saturated vapor at 40 kPa.
A sealed insulated room contains 90 m^3 air at 12 C and 100 kPa. A container with 45 kg of water at 95 C is placed in the room. After heat transfer between the air and water, thermal equilibrium is