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Provide any four pretreatment techniques of metal surfaces before coating. Illustrate out the term RDX.
How are rocket propellants are categorized give some illustrations. Write down the differentiation between solid and liquid propellants.
Illustrate the internal treatment techniques for boiler water. Illustrate out the process injection moulding and extrusion moulding with appropriate diagrams.
Critically discuss the term green house effect. Write down the chemical composition of the cement.
Illustrate out the compounding of plastics. Write down comprehensive note on chemical species and particulates present in the atmosphere.
Describe the term: Dielectrics and insulators.
State and explain some of the factors that are affecting degree of the ionization.
Air enters compressor of a gas turbine at 100 KPa and 25oC. For the pressure ratio of 5 and a maximum temperature of 850°C. Find out the thermal efficiency by using Brayton cycle.
Deduce an expression for air standard efficiency of Brayton cycle in terms of pressure ratio.
Write down the different processes of the Otto cycle. Write down the different processes of dual cycle.
Describe SMILES notation and MOL format in detail.
Describe how synthetic petrol is attained by Fisher Tropsch’s method in detail.
Describe proximate analysis of coal in detail.
What do you mean by cetane number or cetane rating of diesel oil? Describe how can it be improved?
Describe the preparation, properties and uses of Nylon 6’6, Polystyrene and Urea formaldehyde resin in detail.
Describe how nylon 6, 6 is formed? Write down its significant properties and uses.
Write a detail note on differential aeration corrosion and galvanic corrosion.
Write down the difference between dry corrosion and wet corrosion. Describe galvanizing and tinning in detail.
What do you mean by Pilling-Bed worth ratio?
Describe the terms “Cloud Point” and “Pour Point” in detail. Write down their significances.Describe the terms “Flash Point” and “Fire Point” in detail.
Explain the synthesis, preparation, properties and applications of nano-phase materials in detail.
Write down the advantages and disadvantages of shape memory alloys.
What are the different kinds of breakdown in Dielectrics?
Explain domain theory of ferromagnetism. Using that how will you describe the properties of ferromagnetic materials?
What is meant by critical or Superconducting transition temperature?