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A light pulley can rotate freely about its axis of symmetry which is fixed in a horizontal position. A light inextensible string passes over the pulley. At one end the string carries a mass 4m, while the other end supports a second light pulley. A second string passes over this pulley and carries masses m and 4m at its ends.
The whole system undergoes planar motion with the masses moving vertically. Find the acceleration of each of the masses.
Determine the quality (or temperature if superheated) of the exit flow and The rate of entropy production inside the mixing box.
What is the heat loss per fin? If 200 such fins are spaced at 5-mm increments along the tube length, what is the heat loss per meter of tube length?
List three types of hydraulic pumps and compare their performance specifications. A position servo system uses a hydraulic servo along with a synchro transformer as the feedback sensor. Draw a schematic diagram and describe the operation of the co..
a helicopter gas turbine requires an overall compressor p.r. of 101. this is to be obtained using a two-spool layout
A heat pump with a coefficient of performance of 3.8 provides energy at an average rate of 75,000 kJ/h to maintain a building at 21oC on a day when the outside temperature is 0oC. If electricity costs 8 cents per kW. h. Determine the electric power r..
a late-model hummer has a frontal profile area of 3.1 m2 and a cd of 0.47. it is moving at a steady speed of 75 mph. a
a thermal reservoir at 1500 r transfers heat to 1lbm of air in a piston-cylinder device maintained at a constant
a 4 ft concrete post is reinforced with four steel bars each with a 34 diameter. knowing that es 29 x 106 psi and ec
find the resulting stresses at the top and bottom surfaces and at every abrupt change in cross section.
Deduce the output speed characteristic corresponding to an input signal of 24 volts as a step function
a 14 mm diameter 50 mm long mild steel rod undergoes a stress test. a tensile force of 18800 n is applied and the rod
Water at 20°C is to be siphoned through a tube 1 m long and 2 mm in diameter, as in Fig. P6.14Is there any height H for which the flow might not be laminar? What is the flow rate if H =50 cm? Neglect the tube curvature.
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