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A lubrication system in a coal mining dragline, pumps 140 mL/s of oil with a density of 810 kg/m3 and viscosity of 0.01 kg/m.s, across the full height and length of the machine. Downstream of the storage tank and 5 m above the ground, at a point T in the three millimetre diameter pipeline, the pressure is 1.55 kPa. The lubricant flows downstream to the head of the boom at a point H, 36.5 m above the ground, where it passes through a gallery with a diameter of 0.02 metres. The total flow then moves to a point W on the traction drive two metres off the ground, and travels through a nine millimetre diameter conduit. Ignoring all friction and minor losses, determine the pressures at points H and W.
A cooling tower with a cooling capacity of 100 tons (440 kW) is claimed to evaporate 15,800 kg of water per day. Is this a reasonable claim?
A 100ft tape is calibrated at 68 degrees F, fully supported with 15 Ibs of tension and found to be 99.987 ft long. Is this tape is used fully supported with 15 Ibs of tension at 86 degrees F to measure a distance that is recorded as 136.48 ft,?
design a horizontal curve for a two lane road. The road has 12 ft. lanes. Due to expensive excavation, it was determined that a maximum of 34 ft. can be cleared from the roads centerline towards the inside lane to provide for stopping sight distan..
In the angular motion amplifier shown, the oscillatory motion of AC is amplified by the oscillatory motion of BC. Neglecting friction and the weights of the members, determine the output torque C0, given that the input torque is 36 N · m.
You are designing an underwater maintenance schedule for an offshore oil rig. The divers work at a depth of 15 m and the seawater density is 1027 kg m-3. They are known to consume 130 litres of air at the ambient temperature is 10oC over the time tak..
the mixture temperature and (b) the mixture pressure after equilibrium has been established. Assume constant specific heats at room temperature for both gases.
Determine the torque that the Titanium Alloy shaft can transmit if the allowable angle of twist is 0.375 RAD. Assume the torque is applied at the end of the shaft. The shaft is 2 meters long and has a diameter of 25 mm.
Topic raised in the reading that piqued your interest: The Renaissance of Modern Art
how to determine the substrate concentration and biomass concentration at 0.5 days. Use spreadsheet to solve for the concentrations with a delta t = 0.01 days
The critical state friction angle of a soil is 30° and OCR = 20. Would this soil fail in tension if it were loaded in under plane strain condition? Show calculations to support your answer.
Calculate the volume of a cylinder that contains 60 lbm of carbon dioxide at 230°F and 23 psig pressure. Assume atmospheric pressure to be 14.7 psia.^4
A cross section of a cottage, 20 ft wide, is an isosceles triangle. If the slope of a side is 1.75 and there is a second floor 8 ft above the ground floor, what isthe width of the second floor?
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