Find isentropic efficiency of turbine if produces power
A turbine produces 2 MW of power while accepting steam at 3 MPa and 400 C and rejecting steam at 50 kPa and 100C. Find (a) the isentropic efficiency of the turbine (assume no heat transfer) (b) the mass flow rate of steam.
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The Cooper Auto Repair Center has just received a shipment of 1,000 spark plugs from a supplier. In past shipments, the gap in 6% of the spark plugs obtained from the supplier has been set incorrectly.
Please present a "generic" estimate of this quantity that would show how this approximate value follows just from the fact that a crystal consists of atoms bound together by some sort of chemical bonds.
With .10 significance test the claim that the standard deviation in the number of miles that the brake pads last is less than 10 thousand. Use the critical value method and chart.
NITSU Manufacturing Corporation is preparing the annual financial statements for the stockholders. A statement of cash flows must be prepared. The following data on cash flows were developed for the entire year ended December 31, 2009:
A turbine produces 2 MW of power while accepting steam at 3 MPa and 400 C and rejecting steam at 50 kPa and 100C.
Three point charges are on the x axis; q1 is at the origin, q2 is at x = 13.00 m, and q3 is at x = 26.00 m. (a) Find the potential at the point x = 0, y = 13.00 m if q1 = q2 = q3 = 3.10 µC. (b) Find the potential if q1 = q2 = 3.10 µC a
The owner of a fast-food restaurant has found the daily demand for ground beef at her restaurant to be normally distributed, with a mean of 680 lb and a standard deviation of 80 lb. Since the fast-food business is very competitive,
ate Management Admissions Test) scores are normally distributed with a mean of 500 and a standard deviation of 100. What proportion of scores fall in the interval from 350 to 450?
If only one particle is released from rest, while the other three remain stationary at the three other corners of the square, what is the final speed of the released particle once it is very far away?
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