Determine the mass flow rate required for a power output
Steam enters an adiabatic turbine at 10 MPa and 500 0C and leaves at 10 kPa with quality of 90 %. Neglecting the changes in kinetic and potential energies, determine the mass flow rate required for a power output of 5 MW.
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Use appropriate words and statistics to describe the statistical results. Based on this data which design should he use?
Using cv = constant theory, an using thermal properties at state 1, find (a) the temperature (R) and pressure (psia) at states 2, 3, 4 (b) the net work of the cycle (Btu) (c) the cycle thermal efficiency.
The bar rotates in the horizontal plane about a smooth pin at the origin. The 2 kg sleeve A slides on the smooth bar and the mass of the bar is negligible in comparison to the mass of the sleeve.
What is the minimum sample size required by this student, given that no prior estimate of the population proportion is available?
A 0.230-A current is charging a capacitor that has circular plates 10.9 cm in radius. The plate separation is 4.00 mm. (a) What is the time rate of increase of electric field between the plates?
Develop a 90% confidence interval estimate for the difference between the proportion of voters favoring each candidate. Does your confidence interval provide conclusive evidence that one of the candidates is favored more? Explain.
A radio wave transmits 14.3 W/m2 of power per unit area. A flat surface of area A is perpendicular to the direction of propagation of the wave. Assuming the surface is a perfect absorber, calculate the radiation pressure on it.
The yield stresses of several samples of a steel containing 0.12% carbon with different grain sizes were measured. Calculate the grain size of each steel sample in micrometers.
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