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The density of liquid water at 25 C is 997 kg/m3 and the specific gravity of solid water (ice) at 0 C is 0.98. 100 kg of liquid water at 25 C and 50 kg of ice at 0 C are placed in an isolated container. Find: 1. the initial volume of the liquid-ice mixture, in m3, 2. the volume after all the ice is melted, in m3, 3. will the temperature of the liquid water increase or decrease? Why?
calculate the mass of mixture produced at the mixing stage, the mass jam produced from the kettle and the mass od water evaporated from the kettle.
What load P allow can be supported at the midpoint of the bar if the yield stress in the steel wires is 220 MPa and in the aluminium wire is 80 MPa? A saftey factor of n = 2 is needed.
Find the volume rate of ?ow in AB, the velocity in BC, the velocity in CD and the diameter of CE.
during an emergency launch operation to fill a missile with rp-4 a kerosene-based fuel the ullage volume of the fuel
A 9º wedge is inserted using a force of 1000 lbs. The static coefficient of friction between the wedge and the log is 0.50. Determine the force required to pull the wedge out.
a 15-hp shaft pump is used to raise water to a 45-m higher elevation.if the mechanical efficiency of the pump is 82
2. What is the design objective? -to minimize the required power input to the compressors 3. What parameters does the design engineer control?
a 40 mm diameter hole is drilled 3 m deep into the steel shaft. when the two torque are applied determine a the maximum
Calculate spring stiffness for which the oscillator becomes unstable (gravity in the negative y direction) verify with SW Simulation (study 1)
A balloon behaves so the pressure is P = C2V1/3, C2 = 100 kPa/m. The balloon is blown up with air from a starting volume of 1 m3 to a volume of 3 m3. Find the final mass of air assuming it is at 25oC and the work done by the air.
package is dropped from the plane which is flying with a constant horizontal velocity of vA = 150 ft/s at a height h = 1500 ft. Determine the radius of curvature of the path of the package just after it is released from plane at A.
Fluid/Dam Pressure, Compare the pressure force exerted on the face of two dams that hold a fresh water of 1000 Kg/m^3 density and a salty water of 1030 Kg/m^3
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