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Six years ago, an 80-kW diesel electric set cost $160,000. The cost index for this class of equipment six years ago was 187 and is now 194. The cost-capacity factoris 0.6. (3.4)
(a) The plant engineering staff is considering a120-kW unit of the same general design to power a small isolated plant. Assume we want to add a pre compressor, which (when isolated and estimated separately) currently costs $18,000. Determine the total cost of the 120-kW unit.
(b) Estimate the cost of a 40-kW unit of the same general design. Include the cost of the $18,000 pre compressor.
How many engagement points on the flywheel would be necessary to make this machine safe?
dry saturated steam at 7 bar expands reversibly in a cylinder behind a piston until the pressure is 0.1 bar. it heat is
compute the second specimen's radius after deformation.
determine the power required for a 1150-kg car to climb a 100-m-long up hill road with a slope of 30degrees from
a piston-cylinder contains argon at a temperature of 50 degc a pressure of 500 kpa and a volume of 10 liters. a
the city of houston has a water filtration system that consists of a large rigid tank with a single 1.5m diameter inlet
air flowing at 4x10-4kgs and 27 degrees c enters a sqaure duct that is 200mm on the side and 2m long. the duct surface
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 sound-intensity levels in a rocket nozzle can approach 160 dB. For frequencies of 300 and 1000 Hz, determine the rms-pressure fluctuations, particle-displacement amplitudes, and particle-velocity amplitudes.
A 8 m rectangular gate shown below weighing 200 N is held in place by a horizontal flexible cable as shown in the figure below. Water acts against the gate which is hinged (frictionless hinge) at point A. determine the tension in the cable.
a steam pipe of 120 mm outside diameter and is covered with a 20 mm thick layer of calcium silicate insulation k
Determine the maximum value of the angle for which the body does not slip
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