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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.
Q. What is a neutral buoyancy? Answer:- Buoyancy is the net upward force knowledgeable by an object submersed in a fluid. Pascal's principle utters that fluid pressure on
MOVEMENT OF CHARGE: Although electric current is referred to as the flow of electrons through a conductor, it should be noted that more exactly, any movement of electric charge
Defect of short sightedness In this defect the image of the object is formed in front of retina or the lens become so converging.
Assume a crane lifts a 900 kilogram wrecking ball 12 meters above a concrete slab. 105,840 Joules of potential energy are kept in the wrecking ball. Now the ball is dropp
After being launched, a rocket attains a speed of 122 m/s before the fuel in the motor is completely used. If you suppose that the acceleration of the rocket is constant at 32.2 m/
Explain electric lawn-mower A television set having a power rating of 120W and electric lawn-mower of power rating 1 kW are both linked to a 240V supply. If 3A, 5A and 10A
two free charges +q and +5q are a distance L apart. A third charge is placed so that the entire system is in equilibrium.find the location and magnitude and sign of the charge.
Consider Young’s double slit experiment with a finite sized ( height 2b) source whose center point is symmetrically oriented about the mid
Explain 'drift velocity of free electrons'? Derive Ohm's law on the basis of the theory of electron drift.
What is the angle between plane of polarization and plane of vibration?
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