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Determine the microstructure for eutectoid steel that has undergone the following heat treatment. For each heat treatment you may assume that you start with austenite at 760ºC. a) Rapidly cool to 625ºC, hold for 10sec, then quench to room temperature b) Rapidly cool to 600ºC, hold for 4sec, rapidly cool to 450 ºC, hold for 10 s, then quench to room temperature c) Rapidly cool to 665ºC, hold for 1,000 sec, then quench to room temperature. d) Rapidly cool to 350ºC, hold for 150 sec, then quench to room temperature.
the diameter of the hollow core of a solid propellant grain remains axially uniform during burning. its length is 5 m
a cycle using helium in a piston-cylinder device starts at t1 300 k and p1 0.2 mpa. the helium is then compressed
a 13.2-N force P is applied to the lever which controls the auger of a snowblower. Determine the moment of P about A when alpha is equal to 30 degrees.
the 90-kg man dives from the 40-kg canoe. the velocity indicated in the figure is that of the man relative to the canoe
consider a small simple rankine power cycle which produces 600kw power from an electric generator with an efficiency of
suppose a heat engine is connected to two energy reservoirs one apool of molten aluminum 660degc and the other a block
estimate the activation energy for creep for the low carbon nickel alloy using the following temperature dependence of
the following factors need to be tested through a doe. it deals with a product made from these constituents. the
The 50-lb load is hoisted by the pulley system and motor M. If the crate starts from rest and by constant acceleration attains a speed of 15 ft/s after rising s = 6 ft, determine the power that must be supplied to the motor at this instant.
just before it lifts off a 10500 kg airplane is traveling at 60 fts. the total horizontal force exerted by the planes
Design a control system for an annealing furnace - Please describe any auxiliary equipment that needs to be considered. MEE 30002 Control Engineering
Determine the Mach number of this plane for the stated limiting condition.
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