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An oil drilling operation has requested a machinery fluid F containing 86.0% lubricant, 8.0% corrosion control, and 6.0% detergent for its drilling rigs. You plan to produce the fluid by recycling two existing machinery products. Product A contains 95.0% lubricant and 5.0% corrosion control. Product B contains 78.0% lubricant, 18.0% corrosion control, and 4.0% detergent. To raise the detergent level in the blend to the required level, a commercially available mixture M containing 60.0% detergent and 40.0% lubricant are added. In this blending process, the amount of Product A is limited; only 500 kg of Product A is available. Use the systematic solution approach for mass balance problems to determine the mass (in kg) of the requested machinery fluid (F) that can be produced, and the required mass (in kg) of one of the existing machinery products (B) and the mixture (M).
a coast guard cutter detects an unidentified ship at a distance of 19.6 km in the direction 17.8deg east of north. the
Air flows isentropic ally at the rate of 1 kg/s through a converging-diverging nozzle. The stagnation temperature is 310 K and the stagnation pressure is 810 kPa. If the exit pressure is 101.3 kPa, determine: The throat area. The exit Mach number.
A 1/10th scale model of an airplane is to be tested in a wind tunnel that operates with air at a pressure of 20 atmospheres. The plane is expected to fly at a speed of 500 [km/hr]. What speed should the wind tunnel be run?
a cylinder containing 0.9 kg of ammonia has an externally loaded piston. initially the ammonia is at 2 mpa 180degc and
bar a was manufactured 2mm shorter than bar b due to an error. the attachment of these bars to the rigid bar would
During a lab demonstration, two thermocouples were made by using copper-constantan wires. The junction diameter of one thermocouple is 1 mm, while the other is 0.2 mm. Initially, both thermocouples were held in a constant-temperature environment and ..
r-22 in a pistoncylinder has mass 1 kg and temp. 10degc with a volume of0.02 m3 . initially state 1 the piston rests on
a helical compression spring with squared and ground ends is required to exert a maximum working force of 1000 n and a
A small, narrow, flat-bottomed fishing boat is loaded down with two crew member and a catch fish. The rear of the boat is a plane inclined at an angle theta¸ of 75 degrees with the horizontal. Thirty centimetres below the water surface is a hole in t..
a rigid tank contains 20 lbm of air at 20 psia and 70degf. more air is added to thenbsptank until the pressure and
a very thin and long pipeline used for the transport of crude oil is buried in the earth such that its centerline is a
a stream containing 57 mol n-octane and the remainder ethylene is to be separated by flash distillation. the molar
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