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A piston-cylinder device initially contains 0.4 m3of air at 100 kPaand 80°C. The air is now compressed to 0.1 m3in such a way that the temperature inside the cylinder remains constant. Determine the work done during this process.
refrigerant 134a at -10degc 1.4 bar and a mass flow rate of 280 kghr enters an insulated compressor operating at steady
a piston mp 5 kg is fitted in a cylinder a 15 cm2 that contains a gas. the setup is in a centrifuge that creates an
a steam power plant has a high pressure of 5 mpa and maintains 50 c in the condenser. the boiler exit temperature is
dry ice 560 g is introduced into an evacuated 20l container. the temperature rises and co2 vaporizes. if the pressure
air at 100 kpa and 20oc is compressed to 700 kpa steadily and adiabatically at a rate of 2 kfs. determine the power
steam at 320oc flows in a stainless steel pipe k 15wm. oc whose inner and out diameters are 5 cm and 5.5 cm
matt has perfected the art of bungee jumping such that from a bridge above a river he can fall and just touch the
a motorist enters a freeway at 36 kph and accelerates uniformly to 90 kph. from the odometer in the car the motorist
the cramster solution uses a formula that the book derived form the circle. however the point of this exercise was to
the snowmobile is traveling at 10m/s when it leaves the embankment at A.determine the speed at which it strikes the ground at B and its maximum acceleration along the trajectory AB.
Consider a thermal energy reservoir at 1500 K that can supply heat at a rate of 150,000 kJ h-1. Determine the exergy of this supplied energy, assuming an environmental temperature of 25 oC.
a vertical bar ed has a circular cross-section and is fixed at e. member abc is a single member that lies on the
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