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1. A cylindrical rod of brass originally 10.2 mm (0.40 in.) in diameter is to be cold worked by drawing; the circular cross section will be maintained during deformation. A cold- worked yield strength in excess of 380 MPa (55, 000 psi) and a ductility of at least 15%EL are desired. Furthermore, the final diameter must be 7.6 mm (0.30 in.). Explain how this may be accomplished.
2. A cylindrical brass rod having a minimum tensile strength of 450 MPa (65,000 psi), a ductility of at least 13%EL, and a final diameter of 12.7 mm (0.50 in.) is desired. Some 19.0 mm (0.75 in.) diameter brass stock that has been cold worked 35% is available. Describe the procedure you would follow to obtain this material. Assume that brass experiences cracking at 65%CW.
Water flows downward through a vertical smooth pipe (i.e., roughness = 0). When the flow rate is 0.5 ft3/s, there is no pressure change along the length of the pipe. What is the pipe diameter?
a race boat is traveling at a constant speed v0 77mph when it performs a turn with a constant radius rho to change its
Air (ideal gas) inside a cylinder filled with a frictionless piston undergoes a polytrophic process having an exponent n = 1.33. The initial pressure of the air is 3.34 MPa and the T (final) is 750 K and during the process the volume of the air is in..
argon enters an insulated nozzle at 277 kpa 1300 k 10 ms and exits at 100 kpa 645 ms. for steady-state operation
your company owns a parcel of land in a currently undeveloped part of the country. the neighboring city grows eastward
initially 1.361 kg of steam is contained in a piston-cylinder device at 260 oc with a quality of 0.7. determine the
A 0.16 kg hockey puck (rubber disk) is moving on an icy, frictionless, horizontal surface. At t =O, the puck is moving to the right at 3.0 mis. Calculate the velocity of the puck (magnitude and direction) after a force of 25 N directed to the righ..
a machine of mass 10 kg is subjected to a vertical sinusoidal force. the amplitude of the force transmitted to the
Receiving quality inspt of abc manufacturing found out from each of last 12 batch of oring id, tom has tested 5;o-ring from each Bach measure and recorded the ff result, with xbar=average ID=mm and R=range of each batch:
answer the following questions1. name six types of springs.2. name three types of gears.3. state hookes law.4. give the
Superheated steam at 600 C and 4000 kPa is fed into a turbo expander at a rate of 10 kg/s. The steam expands and leaves the expander at 500 kPa pressure and 300 C. It is known that there is a heat loss of 50 kJ/sec. This heat loss can be assumed to t..
Explain what is meant by ‘inversion of control' in application frameworks. Explain why this approach could cause problems if you integrated two separate systems that were originally created using the same application framework.
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