Engineering, 07.04.2020 02:20 karenpazyuli
Air at 22 kPa, 220 K, and 250 m/s enters a turbojet engine in flight at an altitude of 10000m. The pressure ratio across the compressor is 12. Turbine inlet temperature is 1400K, and the pressure at the nozzle exit is 22 kPa. The compressor and turbine have isentropic efficiencies of 85% and 88% respectively, and there is no significant drop in pressure for flow through the combustor. On the bases of air standard analysis considering the variation of specific heats, determine: pressures and temperatures at each principle state, and the velocity at the nozzle exit.
Answers: 2
Engineering, 03.07.2019 15:10
Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.
Answers: 1
Engineering, 04.07.2019 16:10
An electrical motor raises a 50kg load at a construct velencity .calculate the power of the motor, if it takes 40sec to raise the load through a height of 24m(take g =9.8n/g)
Answers: 2
Engineering, 04.07.2019 18:10
Manometers are good examples of measuring instruments, nowadays they are not as common as before. a)-capacitive probe gauges b)-gravitational gauges deformation ) gauges d)-digital gauges
Answers: 1
Engineering, 04.07.2019 18:10
Water at the rate of 1 kg/s is forced through a tube with a 2.5 cm inner diameter. the inlet water temperature is 15°c, and the outlet water temperature is 50°c. the tube wall temperature is 14°c higher than the local water temperature all along the length of the tube. what is the length of the tube?
Answers: 3
Air at 22 kPa, 220 K, and 250 m/s enters a turbojet engine in flight at an altitude of 10000m. The p...
Mathematics, 02.08.2021 01:30
English, 02.08.2021 01:30
Mathematics, 02.08.2021 02:00
Mathematics, 02.08.2021 02:00
Mathematics, 02.08.2021 02:00
Mathematics, 02.08.2021 02:00
Mathematics, 02.08.2021 02:00
Social Studies, 02.08.2021 02:00
Health, 02.08.2021 02:00
Mathematics, 02.08.2021 02:00