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Standard atmospheric air [ To=288K, Po=101Kpa(abs) is drawn steadily through a frictionless adiabatic converging nozzle into an adiabatic constant area duct. The duct is 2m long and has an inside diameter of 0.1m, the average friction factor for the duct is estimated as being equal to 0.02. What is the maximum flow rate through the duct? For this maximum flowrate, determine the values of static temp, static pressure, stagnation temp, stagnation pressure, and velocity at the inlet section 1 and exit section 2 of the constant area duct. Sketch a temp-entropy diagram for this flow.
What is the concentration of FeCl3 in a solution prepared by dissolving 20.0 g of FeCl3 in enough water to make 275 mL of solution?
Explain the reason for this. Describe a method for converting these triangular (or shifted sinusoidal) pulses into sharp rectangular pulses.
The 3-in.-diameter rod carries the 4000-lb · ft bending moment and a torque T. The yield stress of the material is 60 ksi. Determine the largest allowable value of T using the maximum distortion energy theory and a factor of safety of 2.
Suppose the machinability criterion were the cutting speed for a 10-min tool life rather than the present criterion. Compute the machinability rating for this case.
Determine the magnitude and nature of the stress induced in the material (a) if the temperature falls to 25 °C, (b) if the temperature rises to 95°C.
If the pump is to produce the same head and discharge at a location where the atmospheric pressure is 12 psi, what is the necessary change in elevation of the pump relative to the inlet reservoir to avoid cavitation?
Consider the torsion of a rod that is 1 m long and 50 mm in diameter. A. If one end of the rod were twisted by 1.2? relative to the other end, what would be the largest principal strain on the surface?
A fluid flows through a horizontal annular channel between concentric tubes at a rate of 0.01 m3/s (the absolute roughness of each tube is 1.5 x 10-6 m). The channel (shown in the accompanying figure) has an inner diameter of 25 cm, an outer diameter..
a thermopane window consists of two pieces of glass k 0.78 wmk 7 mm thick that enclose an air space k 0.026 wmk 7 mm
a pulley 250 mm in diameter drives a second pulley 1000 mm in diameter by means of a belt. the moment of inertia of the
a steam compressor is used to increase the pressure of saturated water vapor at 1000 kpa to 1500 kpa. the flow rate is
the 10-kg sphere c is released from rest when theta0 and the tension in the spring is 100 n. determine the speed of the
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