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A piston-cylinder assembly contains air. The air undergoes a constant-pressure process, during which the rate of heat transfer to the air is 0.7 kW. Assuming ideal gas behavior withk= 1.4 and negligible effects of kinetic and potential energy for the air, determine the rate at which work is done by the air on the piston, in kW.
an adiabatic air compressor is to be powered by an adiabatic steam turbine. steam enters the turbine at 12.5 mpa and
By following a systematic procedure and using the linear graph, obtain a complete state-space representation of the given model. The outputs of the system are compressor speed ωc and the torque T transmitted through the drive shaft.
the surface of a furnace may never be hotter than 140of. if the furnace is sitting inside of a 70of small room where
Niobium forms a substitution solid solution with vanadium. Compute the number of niobium atoms per cubic centimetre for a niobium–vanadium alloy that contains 27 wt% Nb and 73 wt% V. The densities of pure niobium and vanadium are 8.57 and 6.10 g/cm3,..
steam at 10 psia with a quality of 0.90 enters an adiabatic steady-flow compressor at a rate of 50 lbms. the steam
A single disc clutch with both sides of the disc effective is used to transmit 10 kW power at 900 r.m.p. the axial pressure is limited to 0.085 N/mm^2. If the external diameter of the friction lining is 1.25 times the internal diameter find the requi..
Solve the preceding problem for the following data: diameter 1.0 m, thickness 48 mm, pressure 22 MPa, modulus 210 GPa, and Poisson's ratio 0.29.
thecoaster cars are lifted up the initial hill which has a height of 85 feet and released at the top of the hill with a
A flow rate transmitter specification is given as following: Input range: 0 to 300 GPM (Gallons Per Minute) Output range: -5V to 5V. If this transmitter needs to be connected to an A/D converter and the requirement is to detect at least 0.25 GPM diff..
a pot of 1 kg of liquid water is heated on a mountain top where the atmospheric pressure is 0.8 bar. if the liquid
The bottom of a large, 5-gallon plastic bucket bows when the bucket is filled with water. The deflection of the bottom surface, ?, is a function of the bucket diameter, D, the depth of water, h, the specific weight of the water, ?, the thickness of t..
As shown in the picture, air flows through a pipe. Heat is supplied to the airflow. The air at the inlet is 200kPa and 20 C with flow velocity of 5m/s. The exiting air is 180 kPa and 40 °C. The diameter of the pipe is 0.28 m. Determine (a) the volume..
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