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One-half kilogram of water executes a Carnot power cycle. During the isothermal expansion, the water is heated until it is a saturated vapor from an initial state where the pressure is 1.5 MPa and the quality is 25%. The vapor then expands adiabatically to pressure of 100 kPa while doing 403.8 kJ/kg of work.
a) Evaluate the heat and work for each process, in kJ.
b) Evaluate the thermal efficiency.
the pressure and temperature of the air entering the condenser are 800 kpa and 150degc respectively. the pressure is
The development of flight dealt with the design of the propeller
a fenced enclosure consists of a rectangle of length l and width 2r and a semicircle of radius r as shown in figure
A conventional coal fired power plant has a thermodynamic efficiency of 30%. If coal burns at 400C, what's the max theoretical efficiency of a coal fired plant.
a particulate monitor has a power supply consisting of two batteries in parallel. either battery is adequate to
Plot the moment about B for 320mm
Find the maximum shear stress in a 5 1/2 in-diameter circular saw blade if it runs idle at 5000 rev/min. The saw is 14 guage(0.0747 in) steel and is used on a 5/8 in-diameter. The thickness is uniform. What is the maximum radial component of stress?
a 1x2-in bar is 20 in. long and made of steel with sy 25ksi. with a safety factor of 4 what axial compressive load can
show work to prove the following problem an experimentalist claims to have raised the temperature of a small amount of
design a computer programme using freudestein equation to synthesise a four bar linkage using three precision points also using more than three points.
initially an insulated rigid tank contains 3.73 kg of water at 240oc and 1 mpa. a heater in the wall of the tank
A cylindrical specimen of a metal alloy 51.3 mm long and 11.1 mm in diameter is stressed in tension. A true stress of 350 MPa causes the specimen to plastically elongate to a length of 57.9 mm. If it is known that the strain-hardening exponent for th..
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