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9.2 A converging nozzle with an exit diameter of 6 cm is attached to a reservoir maintained at 30-C and 150 kPa absolute.
Determine the mass fux of air flowing through the nozzle if the receiver exits to the atmosphere. (a) Use equations and (b) use the appropriate table.
Is the flow choked?
An incompressible fluid is squeezed between two disks by downward motion Vo of the upper disk. Assuming 1-dimensional radial outflow, find the velocity V(r).
If one is a refrigeration cycle and the other is a heat pump cycle, what is the relation between their coefficients of performance?
For the case of a guided support at A (figure part (a)), what is the critical load Qcr (In other words, at what ? load Qcr does the system collapse because of Euler buckling of the column DC?
500 lb force acting on frame is to be resolved into two components acting along axis of the struts ab and ac. if the
In the Hardy Cross analysis of a pipe network, what is the only restriction on the initial assumption of flow rates in each pipe of the system - How can thermal pollution be controlled or eliminated?
Two well-insulated tanks filled with carbon monoxide (CO) gas are connected by a valve. In tank A, 1 kg of gas is stored at 100 kPa and 300 K. In tank B, 5 kg of gas are stored at 500 kPa and 870 K. The valve is opened, and the contents of the two ta..
water at 15 degrees celsius flows through an inclined 8-cm diameter pipe. at sections 1 and 2 p1 186 kpa v1 3.2 ms z1
steam flows through a passageway and at a particular location the pressure is 3 bar the temperature is 281.48c and the
the drag on a 2-m. diameter satellite dish in an 80 kmhr wind is to be determined by a wind tunnel test using a
consider a rankine cycle operating in an ideal reheat mode where the high pressure turbine receives steam at 8mpa and
refrigerant 134a at -10degc 1.4 bar and a mass flow rate of 280 kghr enters an insulated compressor operating at steady
Heat is transferred steadily through a 0.2-m thick, 8m x 2 m wall at a rate of 2.6 kW. The inner and outer surface temperatures of the wall are 15 °C and 5 °C respectively. Find the average thermal conductivity of the wall.
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