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You can transform a long bar of stainless steel from an initial 1 inch in diameter to 0.9 inches in diameter by either machining or by drawing. Compare quantitatively the amount of work needed in these two cases.
A distillation column, as shown in the figure to the right, is a device used to separate components with different volatilities. In a specific process, a distillation column is used to separate a feed stream containing 0.4500 mol ethanol/mol and 0.55..
An iceberg with specific gravity (SGice) of 0.92 is partially submerged in seawater whose specific gravity is SGw= 1.025. Determine the relative volume of the iceberg that appears above the surface of the sea.
a fixed mass of water m initially a saturated liquid is brought to a saturated vapor condition while its pressure and
assuming the ball experiences a downward acceleration of a10-0.9v2 when in the water determine the velocity of the ball
Compute the electrical conductivity of a 3.6-mm diameter cylindrical semiconductor specimen 91 mm long in which a current of 0.90 A passes in an axial direction. A voltage of 7.5 V is measured across two probes that are separated by 61 mm. (b) Comput..
A high-pressure oxygen cylinder, typically found in most welding shops, accidentally is knocked over and the valve on top of the cylinder breaks off. This creates a hole with a radius of 14 mm. Prior to the accident, the internal pressure of the oxyg..
One kg of air in a piston-cylinder assembly undergoes two processes in series from an initial state where p1 = 0.5 MPa, T1 = 227oC. Constant-temperature expansion until the volume is twice the initial volume.
A curved bar has a rectangular cross section with height h=(r_o)-(r_1)=50mm and width b=100mm. It's inner radius is 200mm. Find the distance between the neutral axis and the centriod.
A solid round steel shaft, having an outside dameter of 2.002 in., is press or force fitted into the 2.000 in, hole in a gear. The force required to press the two machine parts together is 18,000 lb. What is the diameter of the solid steel shaft duri..
Two options are available for reduction of pressure for superheated R- 134a flowing steadily at 500 kPa and 40oC to a pressure of 100 kPa. In the first option, the vapor is allowed to expand through an adiabatic nozzle with an exit velocity not to ex..
Water is the working fluid in a regenerative Rankine cycle. Steam exits the first-stage turbine at 8 bar and its quality is 95%. 20% of that steam is extracted and diverted to an open feed water heater operating at 8 bar.
how does the total free energy for transformation ?gtotal vary for a liquid-solid transformation versus that for a
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