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The flywheel of an automobile engine has a mass of about 50 kg and an eccentricity of about 1 cm.
The operating speed ranges from 1200 rpm (idle) to 5000 rpm (red line). Choose the remaining parameters so that the whirling amplitude is never more than 1 mm.
A piston-cylinder device holds 2 kg of refrigerant fluid R-134a, initially at 500 KPa. At this state, 0.5 kg of the fluid is in the liquid phase. Heat is then added to the fluid at constant pressure to increase its temperature to 60 c.
a rigid insulating tank that is initially evacuated is connected through a valve to a supply line that carriers helium
air enters a compressor at 179 kpa and 290 k and exits at a temperature of 500.9 k. determine the power kw for the
an impeller provides 20 kj of work to the air contained in a 0.15 m3 rigid volume initially at 200kpa and 10degc.
During an expansion process, the pressure of a gas changes from 15 to 100 psia according to the relation P = aV + b, where a = 5 psia/ft3 and b is a constant. If the initial volume of the gas is 7 ft3, calculate the work done during the process.
Detemine if the ball bounces down the steps without skipping any step and if the ball bounces down the steps without bouncing twice on the same step.
the 50-lb package starts from rest slides down the smooth ramp and is stopped by the spring. the coefficient of static
a stainless steel tube k 14 wmk used to transport a chilled pharmaceutical has an inner diameter of 36 mm and a wall
A steam power plant operates on the ideal reheat Rankine cycle. Steam enters the high pressure turbine at 6 MPa and 4000C and leaves at 2 MPa. Steam is then reheated at constant pressure to 4000C before it expands to 20 kPa in the low pressure turbin..
Strain gages on the outer surface of a pressure vessel read e(l)=0.002 in the longitudinal direction and e(t)=0.005 in the circumferential direction. Compute the stresses in these two principal directions: E = 207GPa and Poisson's ratio v = 0.3. What..
Systems Integration at London Heathrow Terminal 5' the authors identify six processes required to execute a megaproject. They note that in each megaproject there is discontinuity between the processes required to deliver the project and those invo..
A balanced-cross-flow compact heat exchanger is required for an air heating system that processes 0.5 kg/s air. The inlet temperature for the hot water is 295 K, and the cold air enters at 270 K to be heated to 287 K. The inlet pressure for the hot w..
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