Engineering, 15.10.2019 04:00 ppennycuff405125
Aturbojet is flying with a velocity of 900 ft/s at an altitude of 20,000 ft, where the ambient conditions are 7 psia and 10°f. the pressure ratio across the compressor is 13, and the temperature at the turbine inlet is 2250 r. assume ideal operation for all components and account for the variation of specific heats with temperature. determine (a) the pressure at the turbine exit, (b) the velocity of the exhaust gases, and (c) the propulsive efficiency.
Answers: 2
Engineering, 04.07.2019 18:20
Agas mixture consists of 8 kmol of h2 and 2 kmol of n2. determine the mass of each gas and the apparent gas constant of the mixture.
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Engineering, 04.07.2019 18:20
Amixture of slurry and mud is to be pumped through a horizontal pipe of diameter 500 mm. the fluid behaves as a bingham plastic with a yield stress of 30 pa and viscosity 0.04 pa.s. describe the effects of the shear stress through a transverse section of the pipe by plotting the variation in shear stress and velocity profile: (i) just before the slurry starts to move (ii) as the slurry flows when the pressure gradient is double that in part (i)
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Engineering, 04.07.2019 19:10
Starting wih an energy balance on a rectangular volume element, derive the one- dimensional transient heat conduction equation for a plane wall with constant thermal conductivity and no heat generation.
Answers: 1
Engineering, 04.07.2019 19:20
Heat transfer by is the fastest mode of heat transfer that requires no intervening medium. a)-conduction b)-convection c)-radiation d)-conduction and convection
Answers: 1
Aturbojet is flying with a velocity of 900 ft/s at an altitude of 20,000 ft, where the ambient condi...
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