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For some metal alloy, a true stress of 345 MPa (50040 psi) produces a plastic true strain of 0.02. How much will a specimen of this material elongate when a true stress of 417 MPa (60480 psi) is applied if the original length is 470 mm (18.50 in.)? Assume a value of 0.22 for the strain-hardening exponent, n.
the cylinder with a friction-less piston of 2-kg mass and a radius of 5 cm initially at 1 liter in volume and is filled
A vessel of volume V = 10m^3 contains carbon dioxide under a pressure of p1 = 1 atm and at temperature of T1 = 273K. As a result of heat transfer to the gas, its temperature increases to T2 = 793K. The volume-specific heat of the gas at constant volu..
an 1640 kg car stopped at a traffic light is struck from the rear by a 820 kg car. the two cars become entangled moving
a closed system contains 2-kg of air undergoes an isothermal process from 600 kpa and 200oc to 80 kpa. determine the
a rigid tank has a volume of 0.06m3 and initially contains a two-phase liquid-vapour mixture of h2o at a pressure of 15
methane is to be compressed from 0.05 mpa and -120degf to 5 mpa in a two-stage compressor. in between adiabatic
how much energy in ft-lbf btu and kj is required to accelerate my 3400 pound car from rest to a velocity of 60 mph on a
Calculate the work during the process. Explain whether the work is done on the system or by the system and determine what phase or phases are initially present in tanks A and B.
the heat transfer coefficient for air flowing over a sphere is to be determined by observing the temperature -time
air at 101.3 kpa absolute and 25 c is flowing at a velocity of 10 ms in a wind tunnel. a long cylinder having a
consider steady heat conduction in a plane wall whose left surface node 0 is maintained at 40 degrees c while the right
Find the area of a semi-circle truncated at one end (on the flat side) by a length l. Express the area in terms of the radius R and l -- you can define additional variables in terms of R and l for neatness. Find the area with the hatched lines (the l..
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