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Consider an air-standard Brayton cycle. What is the efficiency of the Brayton cycle if the pressure ratio is 20 and the specific heat ratio is 1.4? If the specific ratio is the same, what is the compression ratio for the air-standard Otto cycle that will provide the same efficiency as the Brayton cycle?
a 300000 lbmhr steam flow enters a turbine of a power plant at 1000 f and 1000 psia. while passing through the turbine
a 1050 hot-rolled steel of diameter 300mm has an ultimate tensile strength of sut724mpa that is hot-rolled is exposed
the particle a is mounted on a light rod pivoted at o and therefore is constrained to move in a circular arc of radius
a a hydraulic jump occurs in an rectangular channel 2.3 m wide when the discharge is 2.5 m3s. if the upstream depth is
a 1.0-m-diameter hollow sphere weight 200 n is attached to a solid concrete block weight 4.1 kn. if the concrete has a
a solar-powered rankine cycle power plant uses 18.5 x 103 m2 of solar collectors. refrigerant-22 is used as the working
A plane can fly 305 mph in still air. If it can fly 185 miles downwind in the same amount of time it can fly 120 miles upwind, find the velocity of the wind.
in a design test of penetration resistance a 12-gram bullet is fired through a 400-mm stack of fibrous plates with an
a tensile force of 4200 lbs is applied to a 9 feet long 8515 brass rod. an elongation of 0.36 inch is measured on the
h injection molding was portions of the part not filling. List and explain three process parameters that may aid in the correction of this error. What other errors might adjustments in these parameters help allay?
a machine of mass 10 kg is subjected to a vertical sinusoidal force. the amplitude of the force transmitted to the
air enters a turbine operating at steady state at 500 kpa 860 k and exits at 100 kpa. a temperature is 460 k. stray
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