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An ideal Brayton cycle uses air as a working fluid. The air enters the compressor at 101 kpa and 37 C. The pressure ratio of the compressor is 12:1, and the temperature of the air as it leaves the turbine is 497 C. The temperature and the pressure of the surroundings are 37 C and 100 kpa, respectively. Use the air-standard assumptions and determine the following quantities: (a) The work per unit mass required to operate the compressor; (b) The work per unit mass produced by the turbine; (c) The heat transfer per unit mass during the combustion process and during the exhaust process; (d) The irreversibility of the cycle on a unit-mass basis, assuming the temperature of the low- and high-temperature reservoirs ar 37 C and 1300 C, respectively; (e) The thermal efficiency of the cycle.
MANUFACTURING: T hese resistors do not require substrate. Resistive material is a mixture of finally ground graphite, filter and resin blander. Filter is usually silica. The mix is
A car travelling at 21 m/s misses the turnoff on the road and collides into the safety guard rail. The car comes to a totally stop in 0.55 s. a. What is the average accel
how earth is in non-inertial frame?
Lenz's law (H.F. Lenz; 1835): An induced electric current always pass in such direction that it opposes the change generating it.
Hello, what is isobaric gas?
What are "Overtones" and "Harmonics" ? How are they build in an open pipe? Derive the mathematical equations for the frequencies of the harmonics produced in an open pipe.
A bar magnet having of two equal and opposite magnetic pole separated by a small distance. Poles are not precisely at the last. The smallest distance among two poles is known as ef
Define the Tea in Thermos? One liter of tea at 90° C is poured keen on a vacuum-insulated container (thermos). The surface area of the thermos walls A=600 cm 2 . The volume am
Explain the procedure of finding Miller indices. Procedure of finding Miller indices: a. The intercepts of the needed plane onto the three coordinate axes has to be founded.
Questions: A source charge generates an electric field to exist in the region of space around that source charge. The electric field exerts a force on some test charge that fin
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