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An air standard Brayton closed cycle receives air at 1 atm and 298 K. The upper temperature and pressure limits are 5 atm and 1100 K. a) Determine the cycle thermal efficiency for the internally reversible cycle. b) Determine the cycle thermal efficiency for the cycle when the compressor and turbine isentropic efficiency are 0.9. c) Compare the cycle efficiency with a Carnot engine operating between the same two limits.
The total force Fa + Fb exerted on the shelter is in the direction parallel to the line L and it's magnitude is 400 lb. Graphically determine the magnitudes of Fa and Fb.
two tissues a and b are placed in a gas chamber and equilibrated with carbon monoxide gas at various partial pressures
If the minimum attractive rate of return is20% per year, determine the one machine that should be selected on the basis of a rate of return analysis.
The kite cable makes an angle of 25 degrees with the horizontal. The velocity of the wind is 30 miles/hour. Neglect ship wave drag.
one axis of a rrl robot is a linear slide with a total range of 950mm. the robotrsquosnbspcontrol memory has a 10 bit
a curved rectangular bar has a mean radius of 6 in and cross section width b2.5 in and depth h 1.5 in. 1. determine the
Determine the average luminous exitance of the opaque interior surfaces of the room - what is the reflected component at this point?
a total of 2.00 mol of a compound is allowed to react in a foam coffee cup that contains 138 g of water. the reaction
a square 3m x 3m gate is located in the 45 sloping side of a dam. some measurements indicate that the resultant force
How often would the sample have to be taken - If the objective was to determine the average value of the material in the bunker, how could this be done by making one measurement?
part 1 - energy in the home personal energy use and home energy efficiency.estimate your personal annual energy usage
a vehicle is stuck on the railroad tracks as a 30106 lb train is approaching with a speed of 75mph. as soon as the
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