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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.
For the series-parallel arrangement shown in Figure, find (a) The supply current, (b) The current flowing by each resistor and (c) the p.d. across each resistor
A lead bullet moves horizontally with a velocity of 130 ms-1 and embedded into a cement wall after collision. If the specific heat capacity of lead = 130 JKg-1°C-1 and all heat pro
why do some substances react with each other while others don''t?
Figure shows an arrangement of a carriage system. A force P is applied on the carriage B and moving rightward at 3 m/s 2 constant acceleration. At the instant shown the velocit
Question: In that piece of a circuit outside of any batteries or power supplies what is it that actually pushes charged particles through the circuit? Answer: By defini
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a report on electrostatic shielding
A luminous point object is placed at a depth of 0.5m inside a liquid. A circular patch of light of radius 0.05675 m is prepared on the surface. Determine the critical angle and re
Q. What is excitation potential energy of an atom? The energy required to increase an atom from its normal state into an excited state is called excitation potential energy of
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