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1. Describe the changes in properties that occur upon the tempering of an eutectoid steel.
2. You wish to attach aluminum sheets to the frame of the twenty-fourth floor of a skyscraper. You plan to use rivets made of an age-hardenable aluminum, but the rivets must be soft and ductile in order to close. After the sheets are attached, the rivets must be very strong. Design a method for producing, using, and strengthening the rivets.
steam enters a nozzle operating at steady state at 3 mpa 300oc with a velocity of 80 ms. the exit pressure and
Quarterly demand for flowers at a wholesaler are as shown. Forecast quarterly demand for year 5 using: 1. simple exponential smoothing with α=0.1 2. using Holt's model with α=0.1 and β=0.1
a wheel has an initial clockwise angular velocity of 12 rads and a constant acceleration of 5 rads2. a determine the
a glass beaker with water is placed inside a bell jar and the jar is subjected to vacuum. the room temperature was
Draw a unit cell for an HCP crystal. Show the perfect dislocations in thebase plane. Can they decompose into partials? If so, represent them by thespecial notation for dislocations.
at standard atmospheric temperature and pressure 25 c and 1 atm how many moles of dry air be present in a room having a
What makes it special or stands out from other machines?
PETE 2060 Fall 2016 Project: Flow in a 1-D reservoir. Determine the transmissibility coefficients for your system and solve it. Present the results (i.e. pressure distribution in the reservoir) at three different time instances of 10, 30, and 90 da..
Derive the differential equation and boundary conditions for the torsional oscillation of a bar in the absence of warping in terms of the rotation angle θ(z,t) and using the polar moment of inertia of the cross-vectors .
an engineering student considers using a fan as a levitation demonstation. she plans to face the box-enclosed fanso the
gaseous nitrogen is exposed to one face of a pure iron plate at 715oc. the surface concentration of nitrogen is
Calculate the air standard cycle efficiency. If the introduction conditions are I bar and 24 °C, and the maximum cycle temperature is 1400 °C. calculate the mean effective pressure based on the air standard cycle.
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