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Assignment:
Define thermodynamic efficiency. What is the typical (average) thermodynamic efficiency of the following cycles? (a) spark-ignition engines, (b) diesel engines, (c) Brayton cycle, (d) Rankine cycle, (c) Brayton-Rankine combined cycle.
a steel rod with a diameter of 0.625 is loaded in tension with 12000 lb load. in the unloaded condition the rod is 240
Is the modulus of elasticity of steel an extensive or intensive property? Explain why.Is the caloric content (i.e., number of calories) of a Big Al's milkshake an extensive or intensive property? Explain why.The temperature difference between a hot w..
a.calculate the angular velocity and angular acceleration of a 2kg mass rotating in a horizontal circle of 2m radius if
Derive a formula for the allowable bending moment M that can be carried by the beam based upon an allowable stress #s in the steel. (Assume that the moduli of elasticity for the steel and brass are Es and Eb, respectively.)
1. Why does popcorn pop? 2. A plastic milk jug filled with water and stored within a freezer ruptures. Why? 3. Apart from keeping food and beverages cool, what are other uses for dry ice?
In the system A + B activity coefficients can be expressed by the one-parameter Margules equation with A=0.5. The vapor pressures of A and B at T=80C are 900mmHg and 600mmHg respectively. Is there an azeotrope in this system at T=80C and if so, what ..
A disk of mass in and radius R rolls without slip while restrained by a dashpot with coefficient of viscous damping c in parallel with a spring of stiffness k.
Calculate the isentropic efficiency of a continuous flow adiabatic compressor that compresses 20.0 lbm/min of a constant specific heat ideal gas.
compare the effectiveness of quenching in moderately agitated water and oil by graphing on a single plot radial
Find the horizontal and vertical area moment of inertias of the cross-section shown with respect to its centroid.
A concrete pipe storm sewer is 4 ft in diameter, and drops 3 ft in elevation per mile length. What is the maximum capacity of the sewer in gpm when the pipe is full? Please show all work for points.
methane ch4 at 25 degree celcius 1 bar enters a furnace operating at steady state and burns completely with 240 of
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