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What are the objectives of heat treatment of metals?
Objectives of heat treatment-
Cause relief of internal stresses developed while cold working, welding, casting, forging etc.
Harden and strengthen metals.
Better machine ability.
Change grain size.
Soften metals for further working as in wire drawing or cold rolling.
Improve ductility and toughness.
What are the different types of point defects (i) Vacancies (ii) Interstitialcies Compositional defect (iii) Substitutional impurity (iv) Electronic defects
equivalant weight ofmg(hco3)2
Explain the process of extrusion In this process a round heated billet of metal placed in a container is forced out by a die in a press. This process is commonly used for manuf
deals with medicines and drugs
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Compute the kerosene/water ratio necessary to remove 90 % of the nicotine from the aqueous stream in a single equilibrium stage.
I am final year chemical engineering student working on a problem paper which has got two questions with a total of 5 parts. Would you be able to provide a solution for that?
Strawberries contain about 20 wt% solids and 80 wt% water. To make strawberry jam, crushed strawberries and sugar are mixed in a 40:60 mass ratio, and the mixture is heated to evap
Find a Rate Expression for the Reaction The saponification of the ester propargyl acetate, A, with base, B, was studied by Myers, Collett, and Lazzell using a conductivity tech
What are the design considerations for a piping system for the transfer of slurries? The below points should be considered for designing a piping system to carry slurries: >
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