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Q. Explain Sulphidation process?
The presence of sulphur converts the surface of the metal to a sulphide scale which is generally more destructive than an oxide scale. Sulphidation is highly dependent on the form in which the sulphur exists, and corrosivity generally increases as temperature increases. Resistance to attack is improved by the addition of Cr and Si, as well as Al to a lesser extent. The addition of nickel may contribute to sulphide scaling.
Q. Describe Organic binders and its working? Organic binders: The binders are most frequently used in core making. Cereal binders are obtained from wheat, corn or rye; resins
discuss the main components of computer aided manufacturing
Ignition System: The ignition system is a source and a means of initial spark required to start burning of fuel. A very high voltage supplied at the spark plug tip causes this spa
explain ways of representing alternative quantities;1)phasor representation 2)graphical representation 3)complex waves 4)addition and subtraction of sine wave
Explain the Single Cast Component Auger Material for Single Cast Component Auger: Either Ni-Cr or Cast iron Length of components: 1250 mm. Outer Diameter of Auger compone
Calculate the Cutting Speed in Drilling Operation Calculate the cutting speed if a drill of 0.04 m dia is operated at a speed of 250 rpm. Solution D = 0.04 m N = 25
Q. What is Fusion Bonding? Fusion Bonding shall refer to the fusion bond coating process which utilizes heat to melt adhere the coating material to the metal surface. Fusion Bo
A 415 V, 5 kW, 50 Hz, 4-pole, 3-phase wound-rotor induction motor has the following characteristics: Stator winding resistance R 1 = 2.1 Ω, Referred rotor windi
What are properties of couple
which are the different types of molding sands?explain each
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