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The system is released from rest with the cable taut. Neglect the small mass and friction of the pulley and calculate the acceleration of each body and the cable tension T upon release if (a) us=.25, uk=.20 and (b) us=0.15, uk=0.10.
If the chest is completely filled with ice, calculate the time for the ice to completely melt. State your assumptions. The enthalpy of fusion for water is 330 kJ/kg.
steam at 160 bar 480degc enters a two-stage turbine operating at steady sate with a volumetricnbspflow rate of 800
1. a face-milling operation is performed to finish the top surface of a steel rectangular 5 workpiece 12.0 in long by
steam turbine expands steam reversibly and adiabatically from 4Mpa,300C to 50C turbine exit. determine the work per kg of steam.
Calculate the heat transfer per kilogram of air between sections (1) and (2), and the stagnation pressure at section (2).
find the isentropic and the second law efficiencies for a turbine. it receives steam at 3000 kpa 500c and has two exit
what is differential levelling? list the procedure for carrying out a differential levelling exercise where one point
A slotted disk and opto-interrupter outputs pulses at 62 HZ. The disk has only one slot cut in it. what is the rotating speed of the disk in rpm?
An input 422 ft-lb of torque from the torque converter.
a painter is standing on a work platform that is 27 feet above ground level. for fall protection the workers safety
nitrogen gas at 60 kpa and 7 degrees celsius enter an adiabatic diffuser steadily with a velocity of 195 ms and leaves
What is the work you get out of each kJ of heat extracted from the basin? Repeat for the case that the water is at 100C. Comment on why efficient car engines run so hot.
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