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Consider the mechanical tachometer shown in Figure 5.4. Write expressions for sensitivity and bandwidth for the device. Using the example, show that the two performance ratings, sensitivity and bandwidth, generally conflict. Discuss ways to improve the sensitivity of this mechanical tachometer.
Air undergoes two processes in series: Process 1-2: Polytropic compression, with n = 1.3, from P1 = 100 kPa, V1 = 0.04 m3/kg to V2 = 0.02 m3/kg Process 2-3: Constant pressure process to V3 = V1 Sketch the cycle on a P-V diagram and determine the work..
The vibrations of an engine mount are to be monitored by an accelerometer which can be treated as a second-order system. It is expected that the vibrations will not exceed 1 kHz. If you have an accelerometer that has a ringing frequency of 20 kHz and..
a heat pump is executed with r-134a under the saturation dome between the pressure limits of 1.6 mpa and 0.2 mpa. if
A steel rod 30 m long hangs in a mine shaft and holds a 900 N weight at its lower end (see figure). If the diameter of the circular rod is 6 mm, calculate the maximum normal stress σmax in the rod, taking into account the weight of the rod itself. ..
a cylinderical specimen made of annealed 4135 steel with k equal to 150000 lbin2 and n equal to 0.27 has a diameter of
an aluminum e 9100 ksi control rod with a circular cross section must not stretch more than 0.24 in. when the tension
Find the enthalpy of the steam discharged into the condenser and the thermal efficiency of the cycle.
Calculate the yield stress of the material and the force required to produce yield - Plot a graph of deflection along the length of the beam
bullet b weighs 0.5 oz and blocks a and c both weigh 3 lb. the coefficient of friction between the blocks and the plane
a piston-cylinder assembly contains 1kg of water initially occupying a volume of 0.5m3 at 1bar. energy transfer by heat
a projectile enters a resisting medium at x0 with an initial velocity of vo900fts and travels 4 inches before coming to
use entropy balance for a closed system to determine whether the entropy change of the following processes is positive
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