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Each cycle, the working fluid of a sterling engine receives 2.67 kJ of energy in the form of heat in the combustion chamber. The engine operates with a thermal efficiency of 0.20 and delivers 4 kW of shaft power. (a) Determine the number of cycles per minute (b) Find the energy rejected as heat to the low temperature reservoir (atmosphere) per cycle
nitrogen gas at 60 kpa and 7degc enters an adiabatic diffuser steadily with a velocity of 275 mls and leaves at 85 kpa
water at 200kpa with a quality of 90 enters a well insulated compressor. it leaves this compressor at 1 mpa 300 celcius
a sled is at the top of a snowhill that has a vertical height of 150 ft and slopes down with an angle of 20 degrees. if
a reversible power cycle operates at steady state between a thermal reservoir at 400 c and another one at 200 c. this
1. how much pressure is required for a force output of 62275 newtons if the effective piston area of the cylinder is
a gas is contained in a vertical piston-cylinder arrangement. the 50-lbm piston initially rests on the bottom stops.
a in a short section of a channel carrying a steady discharge of 36 m3s the depth is seen to increase from 1.6 m to
a boat is subject to hydrodynamic drag forces of f 40v2n where v is the magnitude of velocity in ms. the boats mass is
an agitation system is to be designed for a fluid having a density of 950kgm3 and viscosity of 0.005pas. the vessel
Calculate the force required to punch out a rectangular hole 100m x 50mm in a 2mm thick aluminium sheet. The ultimate strength in shear is 125 MN/m^2.
a spring-mass system is found to vibrate with a frequency of 120 cycles per minute in air and 100 cycles per minute in
a power unit has a power rating of 30 kw and supplies flow at a rate of 60 lpm, what is the maximum pressure this unit can withstand?
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