Engineering, 22.04.2020 00:48 leahpartaka03
Estimate the propulsion and thermal efficiencies of an ideal turbojet during subsonic cruise. The flight Mach number is 0.7 and the ambient temperature is 225 K. The compressor pressure ratio is 14, and the turbine inlet temperature is 1350 K. The average specific heat during and after combustio
Answers: 1
Engineering, 04.07.2019 18:10
Determine whether or not it is possible to compress air adiabatically from k to 140 kpa and 400 k. what is the entropy change during this process?
Answers: 3
Engineering, 04.07.2019 18:10
Which of the following controllers anticipates the future from the slope of errors over time? a)-proportional b)-on/off c)-integral d)-derivative.
Answers: 2
Engineering, 04.07.2019 19:10
An engine, weighing 3000 n, is supported on a pedestal mount. it has been observed that the engine induces vibration into the surrounding area through its pedestal at the maximum operating speed. determine the stiffness of the dynamic vibration absorber spring in (n/m) that will reduce the vibration when mounted on the pedestal. the magnitude of the exciting force is 250 n, and the amplitude of motion of the auxiliary mass is to be limited to 2 mm note: in this question type-in right numbers, no decimals, no fractions, no unit. approximate to right number if needed
Answers: 3
Engineering, 06.07.2019 03:20
Not a characteristic property of ceramic material (a) high temperature stability (b) high mechanical strength (c) low elongation (d) low hardness
Answers: 2
Estimate the propulsion and thermal efficiencies of an ideal turbojet during subsonic cruise. The fl...
Business, 20.07.2019 12:40
Biology, 20.07.2019 12:40
Geography, 20.07.2019 12:40
Biology, 20.07.2019 12:40
Social Studies, 20.07.2019 12:40
Business, 20.07.2019 12:40
Social Studies, 20.07.2019 12:40
Social Studies, 20.07.2019 12:40