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Determine the defect frequencies in hertz* corresponding to roller, inner race, outer race, and cage defects for a roller bearing with 18 rollers when installed in a machine that runs at a speed of 1000 rpm. Assume
Water flows into a sink as shown in Fig. at a rate of 2 gallons per minute. Determine the average velocity through each of the three 0.4-in.-diameter overflow holes if the drain is closed and the water level in the sink remains constant.
Draw a schematic diagram of the process and write an appropriate dynamic model for the tank level. What is the corresponding steady-state model?
turbo booster toy that launches a 60-gram insect glider projectile by compressing a helical spring and then releasing
Steam enters an adiabatic turbine 1MPa, 500 degree C and exits at 10 kPa. During this process, entropy is generated at .2 kj/kg-k. Determine the turbine efficiency.
The maximum force F with a safety factor of 2 if the allowable shear stress in the welds is 20 ksi.
a line worker takes the following measurements in a constant diameter pipe pa 200kpa za 56m pb 100kpa zb 68m.
determine whether the force and couple system shown can be reduced to a single equivalent force r. if it can determine
experiment can be used to investigate heat transfer associated with flow past cylindrical tubes either in isolation or
the basis of a design project which will be completed. you should therefore think carefully about which of the
1.explain the development and passage pof the Occupational health and safety act (OSH Act) What were some of the primary reasons behind the passage ?2. Compare and contrast how the present day rate of accidental work deaths compares with the early 1..
A sealed piston-cylinder assembly contains 3 lbm of water. The water is initially at P1 = 40 psia and T1 = 300°F. The water undergoes two processes in series: Constant-temperature compression to Volumetric = 11.19 ft3, during which the water transfe..
an accelerometer was used to measure the vibrations of machinery. the sensor output was acquired during an experiment
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