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A Carnot heat engine receives 1200 kJ of heat per cycle from a high-temperature source at 925°C and rejects heat to a low-temperature sink at 15°C. Determine: (a) the thermal efficiency of this Carnot engine and (b) the amount of heat rejected to the sink per cycle.
Determine the phase or phases in a system consisting of H2O at the following conditions and sketch p-v and T-v diagrams shown the locations of each state?
moist air at 30 degrees c 2 bar and 50 relative humidity enters a heat exchanger operating at steady state with a mass
a steady frictionless air at 100 kpa and 25 c flows in a horizontal duct that has a cross sectional flow area reduction
the steel pipe is filled with concrete and subjectednbspto a compressive force of 80 kn. determine the stress innbspthe
problem a tension link shown to the right is used in earth-moving equipment and is subjected to cyclic stresses varying
A circular shaft is subjected to a torque Ta and a bending moment Ma. Assuming that the diameter of the shaft is d, determine the expressions for the principal stresses and maximum shear stress in terms of Ma, Ta and d.
the following data were observed in a step response experiment of a thermometer is under a step input from 0 degress c
underwater submersibles must match the local density in order to remain neutrally buoyant. maximum dive depths for
a particle moves along a circular path of radius 300 . if its angular velocity is 2t where is in seconds determine the
how to find the change in diameter of a cylinder of 225mm length, 25mm diameter and a load of 180Km?
a cylindrical bar of radius 15 mm and length 100 mm is held at both ends. if at 30 degc no axial force exists in the
Steam enters a diffuser at and with a velocity of and exits as saturated vapor at 240 F and 100 ft/s. The exit area of the diffuser is 1 ft2. Determine the mass flow rate of steam and the rate of entropy generation.
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