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Describe the terms "ferrite" and "austenite" in iron-carbon alloy system.
Describe Moh’s scale for different abrasives in detail.
Define the duality between controllability and observability.
What do you mean by canonical form of state model?
Illustrate about igniter propellants employed in the solid propellant rockets. What materials are employed to fore body of rockets and missiles and illustrate the fabrication methods used for it?
Sketch the external configuration of rocket and describe the dissimilar aerodynamic forces and moments acting on it. How do you find the non-dimensional coefficients corresponding to these and how d
What is the significant reason for possessing high temperature strength for majority of super alloys? Explain.
Write down the various types of heat treatment techniques? Illustrate the principle of each one of them in detail.
Illustrate how the wider use of dissimilar varieties of super alloys in air craft gas turbines raised engine performance drastically.
Illustrate out the term ‘stream function’. Develop the expressions for stream functions of three elementary flows.
Develop the stream functions for uniform flow, source flow and sink flow. Illustrate the different coefficients of drag over the airfoil and an aircraft.
Develop the continuity equation for the fluid flow in the form of partial differential equation. Illustrate a doublet and derive the expression for stream function in doublet flow.
Based on this, obtain the expression for the x-component of momentum equation in differential form.
Provide advantages and drawbacks of permanent mould casting compared to that of the sand casting.
Illustrate out in detail the melting process for Aluminium alloy. Illustrate out diverse types of moulding for Aluminium castings.
Write down the main advantages of repair by exothermic welding. Write down the merits and demerits of repair by flow welding.
What are the alloying components which affect the properties of gray iron? What are the differentiations between malleable iron and gray iron?
Write down the merits and demerits of carbon di-oxide moulding. What causes surface shrinkage at the internal angles in the castings? How it can be eradicated?
Write down the problems which are generally found in steel castings. Illustrate the gating and Risering of Magnesium castings.
Illustrate out the principle, limitations and applications of Magnetic particle testing. Make a distinction between inspection and quality control.
Illustrate out the advantages and drawback of hot blost cupola. Make a distinction between low and high frequency Induction furnaces.
Write down the theoretical characteristics of transonic flows. Using vortex panel technique, acquire the lift generated by the flat plate considering N vortex panels. Make essential suppositions.
Illustrate the procedure of finding natural frequency of the vibrations by Dunker leys method with help of simple supported beam acted by three point loads at equidistance along the span.
Illustrate the three pressure measuring equipments and describe one with diagram.
Illustrate with neat sketches the function of supersonic wind tunnel. Illustrate the principle of low speed subsonic wind tunnel and draw the appropriate diagram.