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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.
Binder Classification (Grading) What is the best possible PG grade of the asphalt whose results are shown in Table 4 below? Use Table 9.3 from M&Z at end of assignment to help.
What additional vexation occurs when two of these pumps are in parallel? How might we avoid instability?
A planimeter is used to trace the perimeter of a lake that was drawn to a scale of 1 in = 500 ft, and the measured area is 32.50 in2. What is the scaled area, in acres?
Drivers must slow down from 65 miles per hour to 55 miles per hour to negotiate a severe curve on a rural highway. A warning sign for the curve is clearly visible for a distance of 110 feet.
Compute and compare the hydraulic conductivity (m/s) of a formation with respect to the three liquids below. The formation has a permeability k = 0.1 darcy and g = 9.8 m/s2. Liquid viscosity (g/cm s) density (g/cm3)
The wastewater discharge flow rate is 0.3 m3/s. The coliform first-order death rate in seawater is approximated 0.3 h-1. The current carries the wastewater plume toward the beach at a rate of 0.5 m/s.
what is the magnitude and direction of the force of the water n the nozzle, if the nozzle is held steady/2- what is the FORCE if the fire fighter is running towards the fire, with the hose at a velocity of 1.5 m/s
A spherical water tank has a diameter of 10 ft. Determine how many gallons of water are contained in the tank if the tank is filled to a depth of: a) 1 foot of water measured from the bottom of the tank b) 3 feet of water measured form the bottom o..
If this two-step process is replaced by a single isothermal expansion of the air from 800 K and 4 bar to some final pressure P, what is the value of P that make the work of the two processes the same
Design the shaft, including an appropriate material, and justify your solution.
Find the length of the studs in a rake wall with a 5:12 pitch, a half span of 9'4", 16" OC and a base height of 7'3".
A closed tank is filled with a liquid. The pressure at the top of the tank is less than atmospheric pressure. Which of the following accurately represents the gage pressure distribution on the surface indicated?
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