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Steam enters an adiabatic turbine at 5 MPa, 650°C, and 80 m/s and leaves at 50 kPa, 150°C, and 140 m/s. If the power output of the turbine is 8 MW, determine (a) the mass flow rate of the steam flowing through the turbine and (b) the isentropic efficiency of the turbine.
a 120 lbm base jumper extreme parachutist leaps from el capitan in yosemite national park 3000 ft vertical drop head
use muller method to determine the real and complex roots offx x3 - x2 3 x - 2fx x4 - 2 x3 5 x2 - x - 10and write a
A closed volume of 1 m3 of air (at sea level) is heated from 20°C to 400°C. Use the values for specific heat (cv =20.786 J/molK , cp= 29.1006 J/molK) and the specific gas constant R=8.31446 J/molK
in space ships heat rejection to the surroundings is by radiation. a radiator in a space ship has an absorptivity alpha
aluminum atoms have a radius of 0.1431 nm and they form into face-centered cubic fcc crystals.a calculate the density
A micro channel 10 µm tall, 50 µm wide, and 2 cm long is used for analysis of bradykinin, a small peptide with a molecular weight of 1.06 kDa (1 Da = 1 g/mol). What is the morality of the bradykinin sample (i.e. convert µg/mL to M)?
an ionic solid contains cation vacancies anion vacancies and cation interstitials. the energy of formation of the
engine B is supercharged with after cooling and has cylinder inlet condition of 80c and 130 k pa to avoid knock problem it is desirable to have the air-fuel temperature at the start of combustion in engine B to be the same as in engine A calculate..
Rhodium (Rh) has an atomic weight of 102.91 g/mol and atomic radius of 1.345 Å. Determine whether it has an FCC or BCC crystal structure, if its density is 12.41 g/cm3. What is its lattice constant? Explain your answers.
air enters a tank through an area of 0.2 ft2 with a velocity of 15 fts and a density of 0.03 slugft3. air leaves with a
What is the mass of the lead weight, if 100 J of heat is lost from the water after the weight falls a distance of 3 m.
an overhead door is guided by wheels at a and b that roll in horizontal and vertical tracks. knowing that when theta
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