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Describe Clapp’s oscillator and deduce an expression for frequency of oscillation. Also describe how frequency stability can be improved Clapp’s oscillator.
Write down the differentiation between the two quantifiers in logics. What do you understand by the term synchronic and diachronic?
Describe Displacement error in the sawtooth generator.
Write down the two important elements of Blocking Oscillator.
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.
Describe current shunt and voltage shunt feedback amplifiers.
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.
Write down the example for voltage-series feedback.
Describe about the plane waves in lossy dielectrics in detail. Describe about the plane waves in lossless dielectrics in detail.
Explain Circular Polarization in detail. Explain Elliptical polarization in detail.
Provide advantages and drawbacks of permanent mould casting compared to that of the sand casting.
Write down the physical significance of the poynting vector?
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.
Write down time harmonic Maxwell’s equation in point form. Suppose time factor e-iωt.
What are the alloying components which affect the properties of gray iron? What are the differentiations between malleable iron and gray iron?
Deduce the expression for capacitance of two wire transmission line.
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?
Explain the magnetic boundary conditions in detail.
Write down the problems which are generally found in steel castings. Illustrate the gating and Risering of Magnesium castings.
Write down the Poisson’s and Laplace equations. Derive Poisson’s equation from Gauss’s law.
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.