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Combustion gases enter a gas turbine at 627 °C and 1.2 MPa at a rate of 2.5 kg/s and leave at 527°C and 500 kPa. It is estimated that heat is lost from the turbine at a rate of 20 kW. Using air properties for the combustion gases and assuming the surroundings to be at 25 °C and 100 kPa, determine the a) actual and reversible power outputs of the turbine, and b) exergy destroyed within the turbine.
helium initially at 160degf and 30 psia is slowly withdrawn from a well-insulated rigid tank of volume 7 ft2 until the
A 0.453-Kg mass attached to a light spring elongates it by 7.87mm. Determine the natural frequency of the system.
a truck is on a 30 degree incline and accelerating uphill at 2 ms2. the trailer of the truck is 2 meters long and 1
two flows of air both at 200 kpa of equal flow rates mix in an insulated mixing chamber. one flow is at 1500 k and the
Analysis of the motion of swing including velocity and acceleration plots of all moving parts and projectile analysis of projectile eg: flight path, horizontal distance, deceleration and launch velocity
if block d weighs 300 lb and block b weighs 275 lb, determine the required weight of the block c and the angle theta for equilibrium.
suppose you have a choice between a straight triangular or rectangular fin constructed of aluminum with a base
a thin metal plate is insulated on the back and exposed to solar radiation on thenbspfront surface. the exposed surface
calculate the static thrusts of the rocket and turbojet engine described in the figure. the thrust t is the force
Volumetric Compression Ration and Mean Effective Pressure of a Diesel Engine, A diesel engine has air before compression at 280 K and 85 Kpa. The highest temperature is 2219 K and the highest pressure is 6 MPa.
Calculate the minimal round-trip time delay for a radio communications link between Los Angeles and the satellite.
an axial piston pump delivers 0.002 m3s at 3300 rpm. it has nine 16-mm diameter pistons arranged on a 135-mm piston
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