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A gas turbine Brayton cycle operates with an intercooler a re-heater and a regenerator. Air enters the engine at 14 psi and 60 °F; the pressure ratio for each stage of compression is 3; the air temperature when entering a turbine is 940 °F and the regenerator operates perfectly (effectiveness is 100%) Determine the mass flow rate of the air passing through this engine and the rates of heat addition and rejection when this engine produces 1000 hp. Assume constant specific heats at room temperature.
Determine the acceleration of the cabinet when sA = 40 ft. Note that when sB = 0, sA = 0 (points A and B are coincident).
a standard steel specimen of 13 mm diameter elongated 22 mm when it was subjected to a tensile force of 29.5 kN if the specimen has a length of 200 mm and that force applied within elastic range. what is the elastic modulus of elasticity ?
Calculate the force required to punch out a rectangular hole 100m x 50mm in a 2mm thick aluminium sheet. The ultimate strength in shear is 125 MN/m^2.
determine the magitudes of the horizontal and vertical reactions of the chair on the man at the instant . At this instant he has a speed of 6 m/s, which is increasing at 0.5 m/s^2.
the traveling crane consists of a 5-m-long beam having a uniform mass per unit length of 20kg/m. The chain hoist and its supported load exert a force of 8 kN on the beam when x=2m. draw the shear and moment diagrams for the beam.
Determine the velocity of the airplane required for pilot to experience weightlessness at the top of the circular path.
If the cycle operates in steady flow with a power output of 20 kW, what is the steam flow rate?
Treat the locomotive as a particle and assume that the railroad tracks are rectilinear and horizontal.
How would you calculate the sensible heat, the latent heat, and determine the latent heat of vaporization of the water vapor in this air stream as the air is cooled from 170 F to 48 F?
You have a 120 Ω quarter bridge 2 wire set up with Sg=2.10 and an unknown lead wire resistance. A 59880Ω calibration resistor is switched in parallel to the gage only and a recording instrument is set to give a -100 mm deflection for this calibrat..
Carbon content of steel, A steel contains 55% alpha-ferrite and 45% gamma-ferrite or austenite at 750 degrees celcius. What is the carbon content of steel?
Derive at least four concept designs to satisfy the given specification. Use short written descriptions and simple sketches to illustrate your ideas
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