Engineering, 05.03.2020 10:35 abigailweeks10
The 2415-kg anvil A of the drop forge is mounted on a nest of heavy coil springs having a combined stiffness of 3.0(106) N/m. The 565-kg hammer B falls 500 mm from rest and strikes the anvil, which suffers a maximum downward deflection of 30 mm from its equilibrium position. Determine the height h of rebound of the hammer and the coefficient of restitution e which applies.
Answers: 1
Engineering, 04.07.2019 18:10
The higher the astm grain-size number, the coarser the grain is. a)-true b)-false
Answers: 3
Engineering, 04.07.2019 19:10
For a process taking place in a closed system containing gas, the volume and pressure relationship is pvi-constant. -1.5 bar, the process starts with initial conditions, pi = =0.03 m3 and ends with final volume, v2-0.05 m3 determine the work done by the gas.
Answers: 2
Engineering, 06.07.2019 02:30
Precipitation hardening can be achieved in many light alloys by a three-step heat treatment. what is carried out and what is the purpose at each step? why is such a treatment necessary based on the nucleation and growth theory of phase transformation. compare this treatment with tempering martensite for carbon steels (similarities and differences).
Answers: 1
Engineering, 06.07.2019 04:10
Water flows at the rate of 200 i/s upwards through a tapered vertical pipe. the diameter at marks(3) clo5) the bottom is 240 mm and at the top 200 mm and the length is 5m. the pressure at the bottom is 8 bar, and the pressure at the topside is 7.3 bar. determine the head loss through the pipe. express it as a function of exit velocity head.
Answers: 3
The 2415-kg anvil A of the drop forge is mounted on a nest of heavy coil springs having a combined s...
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