Chapter 7, Problem 7.90P

You have a nozzle with steam inlet at 350 deg C, 0.85 MPa and 12m/s. The stream exits at 0.4 MPa and 250 m/s. If stream 1 area is 750cm2, what is exit stream area and temperature?

2. 1 kg/s steam enters the turbine at 2.5MPa and 500C while leaving at 10kPa with 89% quality. The pump exit condition is at 2.5 MPa and 50C. Find the turbine work output and heat added in the boiler in kW. (20 points)

Air enters an automotive supercharger at 100 kPa, 300 K and is compressed to 150 kPa. The efficiency is 70%. What is the required work input per kilogram of air? What is the exit temperature?

A steam is expanded through a nozzle and the enthalphy drop per kg of steam from the initial pressure to the final pressure is 70 kJ. Neglecting the friction, find the velocity of discharge.

A one-stage compressor takes air at 100kpa and 25C with volume flow of 0.123m3/s and discharges to 800kpa. What is the heat rejected(kw) by the intercooler?

A single stage compressor is to compress 8.5m3/min from 98.56KPa to 985KPa. Polytropic constant is 1.3. How much is the savings in work in kW if this is converted in 2 stage compressor? complete solution tnx.

one kg of air is compressed in a cylinder according to the law PV^1.3= constant. If intital temperature is 100°C amd compression ratio is 15, find the work done and change in entropy of air.

can you write all steps ,and what you use (chart) be hurry please

I need the final answer only. A steam turbine operating at 5Mpa, 400C( h = 3195.7 KJ/kg) has an exhaust pressure of 100 Kpa( h = 2475 KJ/kg). It is made of two-row, velocity compounded stage at the vapor region of expansion with a blading efficiency of 74%.For a 5% rotational and leakage allowance, find the actual enthalpy of the exhaust.