Engineering, 11.07.2019 03:30 Elllv
Asteam power plant operates on a simple rankine cycle between the pressure limits of 3 mpa and 30 kpa. the steam enters th temperature of the steam at the turbine inlet is 400°c, and the mass flow rate of steam through the cycle is 10 kg/s. both the pump and turbine have an isentropic e pump as saturated liquid. the efficiency of 90%. (a) determine the enthalpy of the steam at the pump exit if the compression is isentropic; (b) determine the enthalpy of the steam at the actual turbine exit (c) determine the thermal efficiency of the cycle; (d) calculate the net power output of the power plant (e) show the cycle on a t-s diagram with respect to saturation lines.
Answers: 3
Engineering, 04.07.2019 03:10
What precautions should you take to prevent injuries when dealing with heavy loads?
Answers: 1
Engineering, 04.07.2019 19:10
10 kg of co2 is initially contained at 400 kpa and 300 k. the gas constant for carbon dioxide is 189 j/lkg k) and has a specific heat ratio, k, of 1.289. isentropic expansion then occurs until the pressure is 200 kpa. a) determine the initial volume of co2 in m. b) determine the final temperature in k. c) determine the work done by the system during the expansion kl.
Answers: 2
Engineering, 04.07.2019 19:10
Ahelical coil spring has a mean diameter of 50 mm, a wire diameter of 5.5 mm and is wound with a pitch of 10 mm. the spring steel has an ultimate strength of 1250 mpa. find the force needed to compress the spring solid and the wire stress in this condition. state whether the spring will return to its initial length.
Answers: 1
Engineering, 04.07.2019 19:20
The process in which the system pressure remain constant is called a)-isobaric b)-isochoric c)-isolated d)-isothermal
Answers: 3
Asteam power plant operates on a simple rankine cycle between the pressure limits of 3 mpa and 30 kp...
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