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Rod stock that has an initial diameter of 0.50 in is drawn through a draw die with an entrance angle of 13°. The final diameter of the rod is = 0.375 in. The metal has a strength coefficient of 40,000 lb/in2 and a strain hardening exponent of 0.20. Coefficient of friction at the work-die interface = 0.1. Determine
(a) area reduction,
(b) draw force for the operation, and
(c) horsepower to perform the operation if the exit velocity of the stock = 2 ft/sec.
Find the error probability (in terms of the Q function) for each bit in each of the two systems
What is the TCE concentration in ppm if the tank is held at (a) 4 degrees C and (b) 35 degrees C (c) What is the TCE concentration in ppm if the tank is filled with hexane instead of water
At what temperature does the liquid solidify? What is the composition of this last remaining liquid phase?
They are of equal strength q in an uniform flow (velocity +VO parallel to the x-axis). Derive the relationship between the discharge q, the length L and the flow velocity such that no flow injected at the source becomes trapped into the sink.
Radon from well water may pose a radiological health hazard. One treatment technique is simply to hold the water in storage, allowing the radon to decay. The decay rate is first order: Rn?>products;k=0.16day^?1 Consider a situation in which water is ..
Latent demand for highway travel is defined as the differencebetween the maximum numver of trips that could be made and thenumber of trips that are actually made. given a demandfunction:
A u-tube manometer is used to measure the pressure of a vessel under vacuum. Assume the manometer is open to atmospheric pressure (101.325 kPa) and the density of the fluid in the manometer is 12.0 g/cm3.
A waste water sample contains 2.092mmol/L NaCl. Calculate the concentration of NaCl in mg/L. What are the mmol/L concentrations of Na and Cl. Na = 23 and Cl = 35.5.
Portfolio A consists of a one-year zero-coupon bond with a face value of $2,000 and a 10-year zero-coupon bond with a face value of $6,000. Portfolio B consists of a 5.95-year discount bond with a face value of $5,000. The current yield on all bon..
Beam Deflection Solution, Derive an expression for the deflection due to shear for a cantilever beam of constant rectangular cross section, under action of a point load, P at free end.
Two cars are traveling on level terrain at 60 mi/h on a road with a coefficient of adhesion of 0.8. The driver of car 1 has a 2.5-s perception/reaction time and the driver of car 2 has a 2.0-s perception/reaction time
A soil compacted in laboratory had an OMC of 13.5 % and corresponding bulk density of 1.65 gm/cc. The soil was left overnight due to which a 10% reduction in OMC was observed. The specific gravity of the soil solids was found out to be 2.46. What ..
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