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what is the role of solid state diffusion in (i) case hardening of steels, (ii) creep processes in nickel base super alloys, and (iii) phase transformations in metals and alloys ?
hi ltbrgt ltbrgti need free hand sketches and cad 2d drawings. the assignment question is in the attached .pdf. ltbrgt
Describe on your own words the three strengthen mechanism for metals (i.e. grain size reduction, solid solution strengthening and strain hardening). Be sure to explain how dislocations are involved in each of the strengthening techniques.
air is heated at steady state as it flows through a constant area duct. at the inlet the pressure is 2.8 bar the
a 2-kw pump is used to pump kerosene rho 0.820 kgl from a tank on the ground to another tank 30 m above the ground.
water droplets at 87 0c in a cooling tower have an average diameter of 0.15 cm. the airstream which moves at a velocity
two workstations are being conciered by your company. machine 1 costs 12000 new and 1300 to operate and maintain each
The water is initially at room temperature (293 K). Water boils at 373 K. How much energy must be added to the water by heating it in order for it to start boiling?
A steam turbine is operated ith an input temp of 800C and exhaust temp of 150C. What is the maximum amount of work the turbine can do for a given heat input Q? Under what conditions is the maximum achieved?
the total pressure of air entering a single-stage centrifugal compressor is 1.013 bar and the total t is 288 k. the
a compressor pressurizes air from 1 atm to 2.38 atm at steady state. at the entry the airs temperature is 70f whereas
the motor of a speed boat is shut off when it has attained a speed of v0. now the boat is slowed down by a retarding
a sand core used to form the internal surfaces of a steel casting experiences a buoyancy force of 23 kg. the volume of
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