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Write down the differences between intrinsic and extrinsic semiconductors?
Write down Fermi-Dirac distribution function. Describe how Fermi function differes with temperature. Estimate the Fermi function for energy KT above the fermi energy.
Define Wiedemann- Franz law. Write down the value of Lorentz number.
Explain catalytic cracking process-fluidized bed type? Discuss it with flow sheet. Describe hydro-cracking process with the help of flow chart and also the reactions involved in it.
Explain the constituents and characteristics of the crude oil.
Describe the minimum and maximum reflux ratio.
List out the important features of tower packing?
Explain construction and working of venture scrubber.
Describe the working of electrostatic precipitator. Specify its benefits and its drawbacks.
Describe how oil is manufactured. Explain the hydrogenation process of oil.
Explain the process for manufacturing of ethanol from molasses.
Give the function of fusible plug and economizer in a boiler.
Define wet steam and dry steam.
Define temporary hardness and permanent hardness of water.
State the Bernoulli’s equation and explain its terms. Provide the Hagen Poiseuille’s equation and explain its terms.
Define dynamic viscosity and kinematics viscosity.Give its unit.
Explain crystallization in detail. Explain distillation in detail as a mass and heat transfer operation.
Specify some of the applications of Chemical Engineering.
Explain the influence of magnetic anisotropy on the behavior of magnetic nano-particles.
Write the dispersion law for electrons in graphene. Which consequence has this law for the properties of the electrons?
Explain what are magnetic anisotropy and its relevance to the magnetic properties of materials. Explain possible selection of magnetic materials according to magnetic anisotropy.
Describe the working principle of ultra capacitors with a neat and suitable sketch.
What are the differences between renewable and non renewable sources.
Write down the difference between internal and external pacemaker.
Write down the drawbacks of a.c. defibrillators?